Management of oculo-orbital complications of odontogenic sinusitis in adults.

Introduction: Odontogenic maxillary sinusitis (OMS) is an infectious inflammatory pathology caused by a dental condition. Considering the anatomical relations with the orbit, maxillary sinus infection can easily spread, evolving into severe oculo-orbital complications that can sometimes be life-threatening. Material and methods: We performed a retrospective study of over 2 years, examining the data of 18 patients diagnosed with OMS with oculo-orbital complications. The patients were evaluated regarding their dental history, symptoms, clinical and endoscopic findings, ophthalmologic evaluation, bacteriologic tests, computed tomography (CT) imaging, medical and surgical treatment, and outcomes. Results: The age of the patients was between 24 and 65 years old with an almost equal gender distribution: 10 female and 8 male patients. From the total, 7 patients had type II diabetes, 2 of whom were insulin-dependent, 1 patient had thrombophilia and 2 patients had renal failure with peritoneal dialysis. Regarding the type of oculo-orbital complications, 10 patients were diagnosed with preseptal cellulitis and 8 with orbital cellulitis. Just 5 patients with orbital cellulitis required surgical treatment and orbitotomy was performed, followed by endonasal endoscopic drainage. The evolution after surgical treatment was favorable for all operated patients. Discussions: Oculo-orbital complications of OMS are typically more severe than those of rhinogenic sinusitis because anaerobic bacteria are involved. Immunosuppression represents a favorable environment for the development of OMS and its complications, diabetes being the most common risk factor. A negative prognostic feature is the appearance of ophthalmological symptoms in both eyes, so visual function may be reduced. The treatment of oculo-orbital complications of OMS is urgent and depends on a broad-spectrum antibiotic therapy associated or not with surgical intervention. Conclusions: The diagnosis of oculo-orbital complications of OMS is complex and requires clinical experience as well as extensive medical knowledge to treat both the cause and the consequences of the conditions quickly and effectively. The proper management of oculo-orbital complications is based on a multidisciplinary team: ophthalmology, ENT, dentistry, imaging, and laboratory. Abbreviations: OMS = odontogenic maxillary sinusitis, CT = computed tomography, ENT = ear-nose-throat, MRI = magnetic resonance imaging, HNS = head and neck surgery.

Surgical Endoscopic Treatment of Odontogenic Sinusitis.

Introduction: Odontogenic sinusitis is a frequent disease of the maxillary sinus, resulting from a dental inflammatory condition or a foreign body migrated in the sinus cavity. We performed a clinical retrospective study aimed to review the two surgical endoscopic approaches for odontogenic maxillary sinusitis middle and inferior meatotomy, in terms of realistic indications, efficacy, outcomes, and possible complications. Materials and Methods: In our study, we included a number of 400 patients with odontogenic maxillary sinusitis divided into two groups, treated in our hospital over five years, from January 2019 to December 2023. The patients included in this research were over 18 years old, diagnosed with odontogenic maxillary sinusitis, and underwent either middle meatal antrostomy or inferior meatotomy. Results: We examined the medical records of 400 patients. The vast majority of patients had a history of dental interventions, and the most affected tooth was the first maxillary molar. The symptoms at admission were typical for sinusitis: nasal obstruction, anterior or posterior rhinorrhea, hyposmia to anosmia, cacosmia, and pain or facial pressure. 80% of the patients in the study underwent middle meatal antrostomy, while 20% underwent inferior meatotomy. There were no significant differences between these two approaches in terms of efficacy, complication rates, recovery, or relapses. The complications that occurred after the surgical treatment were minor and with a very low frequency. The most reported were middle meatus synechiae and the persistence of the meatotomy ostium, with mucus recirculation (in patients with inferior meatotomy). Conclusions: Endoscopic surgical treatment of odontogenic maxillary sinusitis can be done as middle or inferior meatotomy, each having specific indications. The maxillary antrostomy is preferred in the majority of cases, as it is a procedure in which the natural ostium of the maxillary sinus is enlarged, thereby maintaining the natural drainage pathway of the sinus. However, the inferior meatotomy is preferred in the case of foreign bodies or maxillary sinus retention cysts localized at the level of the sinus floor or in the alveolar or lateral recesses, or as part of a combined approach (inferior and middle meatotomy), when the ablation of a "fungus ball" is required.

[Maxillary sinusitis as a complication of dental implants placement: a case report]. / Verkhnechelyustnoi sinusit kak oslozhnenie dental'noi implantatsii: sluchai iz praktiki.

The article presents a case of chronic odontogenic maxillary sinusitis and the results of its surgical treatment. The cause of the sinusitis, confirmed by the results of X-ray and pathohistological studies, was an inflammatory process affecting the bone tissue around the implant, installed in the place of the upper first molar which was accompanied by the development of an oroantral fistula. During the surgical intervention, the communication between the oral cavity and the maxillary sinus was eliminated, and the implant with the abutment, which was entirely in its cavity, was also removed.

Is maxillary sinusitis and radiographic maxillary sinus opacification associated with an altered microbiology of MRONJ?

OBJECTIVE: Maxillary sinusitis can be a sequela of medication-related osteonecrosis of the jaw (MRONJ). This study aims to characterize the microbiome of maxillary MRONJ with concurrent maxillary sinusitis and radiographic maxillary sinus opacification to determine if there is a relationship between the microbiome of MRONJ and sinus disease. STUDY DESIGN: This retrospective case series was conducted using electronic health records from the University of Pennsylvania and affiliated hospitals. The target population was surgically managed maxillary MRONJ patients. The primary predictor variables were tissue culture results. The primary outcomes were maxillary sinusitis or maxillary sinus opacification. Statistical analysis was performed using chi-squared tests at the 95% confidence interval. RESULTS: Thirty-nine subjects were selected: 25 had sinus opacification and 11 had sinusitis. Resident bacteria were present in 90% of subjects, nonresident bacteria in 74%, and opportunistic organisms in 15%. There were significantly more subjects with chronic sinusitis microbes (79%) than without. There were significantly more gram-positive anaerobes, specifically Propionibacterium, as well as the gram-negative facultative anaerobe, Capnocytophaga, in subjects with concurrent sinusitis. CONCLUSIONS: Maxillary MRONJ with concurrent maxillary sinusitis may be associated with gram-positive anaerobic species, Propionibacterium, and Capnocytophaga colonization. Maxillary MRONJ patients may benefit from sinus evaluation and concurrent surgical intervention.

Expert consensus on odontogenic maxillary sinusitis multi-disciplinary treatment.

ABSTARCT: Odontogenic maxillary sinusitis (OMS) is a subtype of maxillary sinusitis (MS). It is actually inflammation of the maxillary sinus that secondary to adjacent infectious maxillary dental lesion. Due to the lack of unique clinical features, OMS is difficult to distinguish from other types of rhinosinusitis. Besides, the characteristic infectious pathogeny of OMS makes it is resistant to conventional therapies of rhinosinusitis. Its current diagnosis and treatment are thus facing great difficulties. The multi-disciplinary cooperation between otolaryngologists and dentists is absolutely urgent to settle these questions and to acquire standardized diagnostic and treatment regimen for OMS. However, this disease has actually received little attention and has been underrepresented by relatively low publication volume and quality. Based on systematically reviewed literature and practical experiences of expert members, our consensus focuses on characteristics, symptoms, classification and diagnosis of OMS, and further put forward multi-disciplinary treatment decisions for OMS, as well as the common treatment complications and relative managements. This consensus aims to increase attention to OMS, and optimize the clinical diagnosis and decision-making of OMS, which finally provides evidence-based options for OMS clinical management.

Artificial intelligence and dental panoramic radiographs: where are we now?

DATA SOURCES: Bielefeld Academic Search Engine (BASE), Google Scholar Association for Computing Machinery: Guide to Computing Literature (ACM) and National Library of Medicine: PubMed databases were searched for systematic reviews. STUDY SELECTION: This study addressed a structured PICO question (Population, Intervention, Comparison, Outcome). Population was panoramic radiographs in human subjects. Intervention was use of artificial intelligence (AI) diagnostics, compared to human-only diagnosis. Quantitative or qualitative AI efficiency was the outcome. Systematic reviews were considered if they stated 'systematic review' in their title or abstract, were published in English and were not bound by a certain time frame. No supplemental primary studies were included. Screening and removal of duplicates were performed using the Rayyan tool. DATA EXTRACTION AND SYNTHESIS: Data were extracted from each systematic review by two authors, with a third author having the deciding vote in cases of inconsistency. Cohen's Kappa co-efficient was used to measure reliability between authors, resulting in almost perfect agreement. The risk of bias was accounted for using the ROBIS method which resulted in one paper being rejected, so only 11 included in results. Data were then grouped into seven domains which were detected by AI: teeth identification and numbering, detection of periapical lesions, periodontal bone loss, osteoporosis, maxillary sinusitis, dental caries, and other tasks. The effectiveness of the AI systems was assessed by various outcome metrics - accuracy, sensitivity, specificity, and precision being the most common variables. RESULTS: Results of this overview show a significant increase in accuracy of AI in analysing OPTs between 1988-2023. Latest AI models are most accurate in teeth identification and numbering (93.67%) whilst caries detection and osteoporosis showed 91.5% and 89.29% accuracy, respectively. Accurate results were also observed for the detection of maxillary sinusitis and periodontal bone loss. However, given the heterogeneity of source studies used in these systematic reviews, results should be interpreted with caution. CONCLUSIONS: With improving AI technology, its use in dental radiology can be increasingly effective in supporting dentists in the detection of different pathologies. This overview has shown that systematic reviews of AI can quickly become outdated and that results of any systematic review should be treated with caution as this field advances. As such, regular updating and ongoing research is required.

One-stage combined ENT and dental surgical treatment of odontogenic sinusitis: a prospective study.

PURPOSE: The study analyses outcomes of the surgical treatment of odontogenic sinusitis that concurrently address sinusitis and its dental source. METHODS: A total of 364 adult patients were included, representing 13% of all patients we have operated on for any rhinosinusitis over the past 18 years. The diagnosis was based on both ENT and dental examinations including CT imaging. Patients were divided into three groups: (1) FESS with dental surgery without antrotomy, (2) FESS with intraoral antrotomy, and (3) intraoral surgery without FESS. The mean postoperative follow-up was 15 months. RESULTS: First group involved 64%, second group 31%, and third group 6% of the cases. The one-stage combined ENT and dental approach was used in 94% of cases (group 1 and 2) with a success rate of 97%. Concerning FESS, maxillary sinus surgery with middle meatal antrostomy only was performed in 54% of patients. Oroantral communication flap closure was performed in 56% of patients (success rate 98%). Healing was achieved within 3 months. The majority (87%) of patients were operated on unilaterally for unilateral findings. Over the past 18 years, a 6% increase of implant-related odontogenic sinusitis was observed. CONCLUSION: Odontogenic sinusitis is common, tending to be unilateral and chronic. Its dental source needs to be uncovered and treated and should not be underestimated. Close cooperation between ENT and dental specialists has a crucial role in achieving optimal outcomes. The one-stage combined surgical approach proves to be a reliable, safe, fast and effective treatment.

Cavernous Sinus Syndrome Caused by Noninvasive Fungal Maxillary Sinusitis.

It is rare that cavernous sinus complications are caused by maxillary sinus lesions because the locations of these lesions are some distant from each other. The authors describe an unusual presentation that the primary lesion was located in the maxillary sinus and triggered cavernous sinus syndrome and optic nerve symptoms. The most likely possibility was that the infection traveled retrograde along the vascular plexus. Removal of maxillary sinus lesions and establishment ventilation may achieve source control.

Incidence of Sinusitis Postoperatively in Orthognathic Surgery: A Systematic Review and Meta-Analysis.

Maxillary osteotomies as a component of orthognathic surgery disrupt the normal anatomy and function of the sinus. The osteotomy with advancement of the inferior component of the sinus leaves a bony and mucosal opening in the sinus. Immediately after surgery, nasal drainage is impeded because of intranasal swelling. Acute and chronic maxillary sinusitis would be expected; however, its incidence as an expected complication is not well documented. A systematic review and meta-analysis was completed using PubMed to determine the incidence of sinusitis after maxillary orthognathic surgery. Studies were reviewed by two authors, and incidence data were extracted. Two hundred six articles were identified with 24 meeting the criteria for analysis. The incidence of sinusitis was based on 4213 participants who had undergone orthognathic surgery. Twenty-three studies reported a total number of sinusitis cases, and the results demonstrated a pooled incidence of 3.3% (95% confidence interval: 1.77, 6.06). One study did not report a total number of cases but reported chronic sinusitis survey-duration-based and Lund-Mackay scores. These scores, respectively, worsened from 7.6 to 14.8 and from 1.58 to 2.90 postoperatively. Despite the variability of maxillary surgery, the surgical technique, and the postoperative management, the incidence is low but sinusitis does occur. Prospective studies with validated questionnaires within the context of a specific protocol may further elucidate the causality of sinusitis. Further, patients with sinonasal symptoms postsurgery should be encouraged to consult with an otolaryngologist to ensure prompt treatment.

Odontogenic maxillary sinusitis associated with foreign body displacement after tooth extraction: report of an unusual case / Sinusite maxilar odontogênica por corpo estranho após extração dentária: relato de um caso incomum

Background: Odontogenic maxillary sinusitis caused by a foreign body presents diagnostic and therapeutic challenges due to its infrequent occurrence and unique characteristics compared to sinusitis originating from other sources. CaseReport:Illustrating such fact, this report presents the clinical case of a 37-year-old woman referred complaining of pain in the same region where she had extracted her upper right first molar five days before. The intraoral examination revealed the presence of an orifice in the region, suggesting oroantral communication. Imaging exams revealed opacification of the right maxillary sinus and the unexpected presence of a highly radiodense object. With the diagnosis of maxillary sinusitis due to a foreign body established, the surgical approach initially consisted of administering preoperative medication, preceded by access to the maxillary antrum using the Caldwell-Luc technique. The object was found and removed, consisting of a surgical drill. At follow-up there was complete absence of symptoms and complete closure of communication. Conclusion: Cases of odontogenic maxillary sinusitis caused by drill detachment after tooth extraction are fairly uncommon. A thorough clinical evaluation proved to be essential and the Caldwell-Luc access was effective, safe and with good postoperative results, even with the absence of standardized diagnostic and management methods(AU)

Contexto: A sinusite maxilar odontogênica causada por corpo estranho apresenta desafios diagnósticos e terapêuticos devido à sua ocorrência infrequente e características únicas em comparação com sinusites originadas de outras fontes. Relato do Caso: Ilustrando tal fato, este relato apresenta o caso clínico de uma mulher de 37 anos de idade encaminhada com queixa de dor em mesma região que havia extraído o primeiro molar superior direito cinco dias antes. Ao exame intraoral verificou-se a presença de um orifício na região, sugerindo comunicação oroantral. Os exames de imagem revelaram opacificação do SM direito e a inesperada presença de um objeto altamente radiodenso. Com o diagnóstico de sinusite maxilar por corpo estranho estabelecido, a abordagem cirúrgica consistiu inicialmente na administração de medicação pré-operatória, precedida pelo acesso ao antro maxilar através da técnica de Caldwell-Luc. O objeto foi encontrado e removido, consistindo em uma broca cirúrgica. Ao acompanhamento houve ausência completa dos sintomas e total fechamento da comunicação. Conclusão: Casos de sinusite maxilar odontogênica causada por descolamento da broca após extração dentária são bastante incomuns. Uma avaliação clínica minuciosa mostrou-se primordial e o acesso de Caldwell-Luc eficaz, seguro e com bons resultados pós-operatórios, mesmo com as ausências de métodos de diagnóstico e manejo padronizados.(AU)

Chronic maxillary sinusitis in palaeopathology: A review of methods.

OBJECTIVE: This study reviews the palaeopathological literature discussing maxillary sinusitis to examine current trends and issues within the study of this condition, and to make recommendations for future research in this area. MATERIALS: Seventy-five studies were identified through a literature search of digital and physical sources. METHODS: Information regarding study metadata, the populations investigated, sinusitis diagnostic criteria, and sinusitis prevalence was examined. RESULTS: Populations from the UK and Europe were the most studied, reflecting both palaeopathology's systemic colonialism and academic legacies. Most studies used diagnostic criteria published in the mid-1990s, with some subsequent studies modifying these criteria. CONCLUSIONS: The diagnostic criteria from 1995 are widely used but do not include all possible bone changes seen within sinusitis. There is also a need for researchers to engage in issues of data reductionism when using descriptive categories for archaeological sites and populations. SIGNIFICANCE: This paper provides considerations as to how the 1995 diagnostic criteria may be revised by future researchers and synthesises much of the published sinusitis prevalence data to assist researchers interested in the palaeopathology of respiratory disease. LIMITATIONS: More general osteological research, which includes palaeopathological information, was likely missed from this review due to the choice of key terms and languages used in the literature search. SUGGESTIONS FOR FURTHER RESEARCH: Additional research into sinusitis in archaeological populations outside of Western Europe is required. Further work examining the ability to compare pathological data from macroscopic observation and medical imaging would be advantageous to palaeopathology as a whole.

Sinusitis originada por patologías o tratamientos dentales: revisión de la literatura / Sinusitis caused by dental treatment or pathology: a literature review

Introducción: la sinusitis odontogénica (SO) es una condición infradiagnosticada de la esfera otorrinolaringológica a pesar de su frecuencia que se estima entre 10 y el 40% de la rinosinusitis crónica. La SO representa hasta 75% de los casos de sinusitis maxilar unilateral y sigue pasando desapercibida en las guías más actuales de rinosinusitis, ocasionando una falta de consenso sobre los criterios diagnósticos y las pautas terapéuticas a observar. La dificultad en identificar el foco odontogénico en otorrinolaringología (ORL), y la de estimar la magnitud de la sinusitis en consultas de odontología, conduce frecuentemente a la persistencia de los síntomas y al fracaso de las terapias conducidas, impactando considerablemente en la calidad de vida de los pacientes. Por lo tanto, se elaboró esta revisión de la literatura para entender los desafíos que esta condición supone, a la luz de los estudios recientes en el tema. Métodos: se ha realizado una búsqueda exhaustiva de la literatura en Pubmed, Scopus y Google Scholar con términos relativos a las secciones y subsecciones de esta revisión. Resultados y conclusiones: el diagnóstico y el manejo de la SO plantean, por tanto, un desafío importante debido a la falta de protocolos estandarizados de diagnóstico y de procedimientos terapéuticos multidisciplinares consensuados. Se recomienda un enfoque interdisciplinar personalizado para lograr la resolución de la sintomatología y se precisan estudios bien diseñados, con estratificación según los causantes dentales y iatrogénicos, para generar una evidencia que respalde los futuros protocolos. (AU)

Introduction: Despite it being responsible for 10-40% of chronic rhinosinusitis cases, odontogenic sinusitis (OS) is an underdiagnosed otorhinolaryngological condition. OS represents up to 75% of cases of unilateral maxillary sinusitis and is still overlooked in most current rhinosinusitis guidelines. This leads to a lack of consensus on the diagnostic criteria and therapeutic guidelines to be observed. The difficulty in identifying the odontogenic focus in ENT consultations as well as estimating the magnitude of sinusitis in dental consultations frequently leads to the persistence of symptoms and the failure of the therapies undertaken, considerably impacting the quality of life of patients. This literature review was implemented to understand the challenges that this condition poses, in the light of recent studies on the subject. Methods: An exhaustive search of the literature in PubMed, Scopus and Google Scholar with terms related to the sections and subsections of this review. Results and conclusions: The diagnosis and management of OS therefore poses a significant challenge due to the lack of standardised diagnostic protocols and consensual multidisciplinary therapeutic procedures. A personalised interdisciplinary approach is recommended to achieve resolution of symptoms along with well-designed studies, stratified according to dental and iatrogenic causes, to provide evidence to support future protocols. (AU)

Sinusitis originada por patologías o tratamientos dentales: revisión de la literatura / Sinusitis caused by dental treatment or pathology: a literature review

Introducción: la sinusitis odontogénica (SO) es una condición infradiagnosticada de la esfera otorrinolaringológica a pesar de su frecuencia que se estima entre 10 y el 40% de la rinosinusitis crónica. La SO representa hasta 75% de los casos de sinusitis maxilar unilateral y sigue pasando desapercibida en las guías más actuales de rinosinusitis, ocasionando una falta de consenso sobre los criterios diagnósticos y las pautas terapéuticas a observar. La dificultad en identificar el foco odontogénico en otorrinolaringología (ORL), y la de estimar la magnitud de la sinusitis en consultas de odontología, conduce frecuentemente a la persistencia de los síntomas y al fracaso de las terapias conducidas, impactando considerablemente en la calidad de vida de los pacientes. Por lo tanto, se elaboró esta revisión de la literatura para entender los desafíos que esta condición supone, a la luz de los estudios recientes en el tema. Métodos: se ha realizado una búsqueda exhaustiva de la literatura en Pubmed, Scopus y Google Scholar con términos relativos a las secciones y subsecciones de esta revisión. Resultados y conclusiones: el diagnóstico y el manejo de la SO plantean, por tanto, un desafío importante debido a la falta de protocolos estandarizados de diagnóstico y de procedimientos terapéuticos multidisciplinares consensuados. Se recomienda un enfoque interdisciplinar personalizado para lograr la resolución de la sintomatología y se precisan estudios bien diseñados, con estratificación según los causantes dentales y iatrogénicos, para generar una evidencia que respalde los futuros protocolos. (AU)

Introduction: Despite it being responsible for 10-40% of chronic rhinosinusitis cases, odontogenic sinusitis (OS) is an underdiagnosed otorhinolaryngological condition. OS represents up to 75% of cases of unilateral maxillary sinusitis and is still overlooked in most current rhinosinusitis guidelines. This leads to a lack of consensus on the diagnostic criteria and therapeutic guidelines to be observed. The difficulty in identifying the odontogenic focus in ENT consultations as well as estimating the magnitude of sinusitis in dental consultations frequently leads to the persistence of symptoms and the failure of the therapies undertaken, considerably impacting the quality of life of patients. This literature review was implemented to understand the challenges that this condition poses, in the light of recent studies on the subject. Methods: An exhaustive search of the literature in PubMed, Scopus and Google Scholar with terms related to the sections and subsections of this review. Results and conclusions: The diagnosis and management of OS therefore poses a significant challenge due to the lack of standardised diagnostic protocols and consensual multidisciplinary therapeutic procedures. A personalised interdisciplinary approach is recommended to achieve resolution of symptoms along with well-designed studies, stratified according to dental and iatrogenic causes, to provide evidence to support future protocols. (AU)

Actinomycotic Sinomaxillary Infection in a COVID-19 Patient: A Case Report and Review of the Literature.

Individuals with COVID-19 are prone to a variety of infections due to immune dysregulation. The present report presents a case of actinomycotic infection in the maxillary bone and sinus region in a patient with a history of COVID-19. This case report highlights the importance of considering bacterial infections including actinomycosis when encountering destructive lesions resembling more prevalent fungal infections due to different therapeutic medication protocols. In addition, a literature review of the existing reports of similar post-COVID-19 actinomycotic infection is presented.

[Dynamic indicators of the use of puncture method for the treatment of acute maxillary sinusitis in healthcare institutions of the city of Moscow]. / Dinamicheskie pokazateli primeneniya punktsionnogo metoda lecheniya ostrogo verkhnechelyustnogo sinusita v uchrezhdeniyakh zdravookhraneniya goroda Moskvy.

According to the statistical forms medical and preventive treatment centres (MPTC), the analysis of dynamic indicators of the treatment of patients with acute sinusitis (AS) in outpatient polyclinic centers (OPC) and ENT hospitals in Moscow for the period from 2017 to 2021 was carried out. The total number of visits to an otorhinolaryngologist in the OPC in Moscow for 2017-2021 amounted to 6 834 952 patients, including 245 172 patients with AS (3.6%).The total number of hospitalizations in the departments of otorhinolaryngology for the same period amounted to 184 735 patients, including 12 906 patients with AS (7%).The number of patients with AS who was consulted by an otorhinolaryngologist from 2017 to 2021 decreased by 18.2%, which can be explained by a change in the routing of patients with mild form of AS to general practitioners. An analysis of the dynamic indicators of maxillary sinus punctures carried out in the medical and preventive treatment centres (MPTC) in Moscow during the period from 2017 to 2021 showed that there was a redistribution of this manipulation from ENT hospitals to the OPC. At the same time, the proportion of patients requiring puncture treatment in the OPC for 2017-2019 was stable and amounted to 9.3%. However, since 2020, there has been an increase in this indicator by more than 2 times (21.7%), which probably indicates an increase in the treatment of patients with moderate forms of AS in the OPC. The frequency of maxillary sinus punctures that were performed in ENT hospitals in 2017-2019 amounted to 83.5%, in 2020-2021 decreased to 63.4%. The average number of maxillary sinus punctures per patient in ENT hospitals from 2017 to 2019 was 13.3. Since 2020, this value has decreased by about 2 times and has become equal to 8.5. The decrease in the number of maxillary sinus punctures that were performed in ENT hospitals is probably due to the fact that patients with severe and complicated forms of acute sinusitis hospitalized from 2020 to 2021 required more radical surgical treatment.

Resolución Quirúrgica para Un Caso de Polisinusitis de Origen Odontogénico / Surgical Resolution for A Case of Polysinusitis of Odontogenic Origin

La celulitis orbitaria es una patología grave que está asociada con sinusitis paranasal. Éstas suelen presentar edema periorbitario, dolor, y movimiento extraocular restringido. La mayoría de los casos presentan pronóstico favorable, asociado a terapia antibiótica o drenaje quirúrgico. Las celulitis de origen odontogénico representan 2 a 5 % de todos los casos; se caracterizan por una diseminación del proceso infeccioso desde los ápices de las raíces, infectando al seno maxilar, llegando a la órbita a través de la fisura orbitaria inferior o a través de un defecto en el piso de la órbita. En el presente estudio se reporta el caso de un paciente masculino de 28 años que consulta por aumento de volumen periorbitario izquierdo con 4 días de evolución, posterior a exodoncia de segundo molar superior izquierdo. Al examen extraoral presenta aumento de volumen izquierdo con eritema periorbitario, proptosis ocular ipsilateral con visión conservada, y salida de líquido purulento por fosa nasal izquierda. En los exámenes de laboratorio e imagenológicos se pesquisa compromiso de seno maxilar, etmoidal y esfenoidal, decidiendo su hospitalización y manejo quirúrgico en tres tiempos operatorios, los cuales permiten acceso a pared anterior del seno maxilar y a espacio pterigoideo. Dentro de los diagnósticos de celulitis orbitaria pueden incluir reacciones alérgicas, conjuntivitis o herpes. Se excluyeron los diagnósticos mencionados debido a que no se observaron alteraciones dermocutáneas periorbitarias. Por el contrario, el compromiso unilateral, movimiento ocular alterado y doloroso indica que el cuadro abarcaba espacios profundos. La infección de senos paranasales posterior a una exodoncia es una complicación poco frecuente. Un diagnóstico temprano adecuado disminuye la morbilidad y mortalidad de esta condición. Debemos estar alertas a complicaciones posteriores en procedimientos realizados, tener conocimiento en diagnóstico y manejo de posibles evoluciones tórpidas en pacientes.

Orbital cellulitis is a serious pathology that is associated with paranasal sinusitis. These medical conditions usually present with periorbital edema, pain, and restricted extraocular movement. Most cases have a favorable prognosis, associated with antibiotic therapy or surgical drainage. Cellulitis of odontogenic origin represents 2 to 5 % of all cases. They are characterized by a spread of the infectious process from the apices of the roots, infecting the maxillary sinus, reaching the orbit through the inferior orbital fissure or through a defect in the floor of the orbit. The present study reports the case of a 28-year-old male patient, who consulted for a volume increase in left periorbital volume with 4 days of evolution, after extraction of the upper left second molar. Extraoral examination showed left volume increase with periorbital erythema, ipsilateral ocular proptosis with preserved vision, and discharge of purulent fluid from the left nostril. The laboratory and imaging tests showed compromise of the maxillary, ethmoid and sphenoid sinus deciding on hospitalization and surgical management in three operative times, which allow access to the anterior wall of the maxillary sinus and the pterygoid space. Diagnoses of orbital cellulitis may include allergic reactions, conjunctivitis, or herpes. These diagnoses were excluded because no periorbital dermocutaneous alterations were observed. In contrast, unilateral involvement, impaired eye movement, and pain indicate that the condition involved deep spaces. Paranasal sinus infection after tooth extraction is a rare complication. An early diagnosis adequately decreases the morbidity and mortality of this condition. We must be alert to subsequent complications in procedures performed, have knowledge in diagnosis and management of possible torpid evolutions in patients.

Clinical and imaging features of ethmomaxillary sinus compared to Haller's cell.

PURPOSE: Understanding the anatomy of the paranasal sinuses and their variations is essential to achieving safe and effective endoscopic sinus surgery. The ethmomaxillary sinus (EMS) is a relatively under-researched anatomical variation. This study investigated the prevalence, clinical features, and effect of EMS on the maxillary sinus in comparison with Haller's cells. METHODS: Patients who visited the Rhinology Clinic at our hospital for rhinologic symptoms between January 2020 and December 2020. Computed tomography (CT) scans of paranasal sinuses were obtained at 1 mm-section thickness. Using CT scans, we investigated the clinical features of EMS, measured maxillary sinus volume, and analyzed the presence of maxillary sinusitis. RESULTS: EMS was observed in 26 of the 250 patients (10.4%). The male-to-female ratio was equal. The age ranged from 18 to 83 years (mean age, 56.3). Of the patients with EMS, 65.4% were unilateral and 34.6% were bilateral. The prevalence of Haller's cells was similar to that in EMS (10.8%). In the analysis of patients with unilateral EMS, the EMS side was found to have a significantly reduced maxillary sinus volume compared to the opposite side, whereas the difference was not significant in Haller's cells. There was no significant relationship between EMS or Haller's cells and maxillary sinusitis. CONCLUSIONS: EMS can significantly affect maxillary sinus volume. Therefore, surgeons should thoroughly review PNS CT scans before paranasal sinus surgery to determine the presence and features of EMS.

Drainage of a Pterygopalatine Fossa Abscess With Chronic Sinusitis via an Endoscopic Nasal Approach.

The pterygopalatine fossa is a clinically inaccessible space deep in the face, and reports of pterygopalatine fossa abscesses are rare. The authors present the case of a 63-year-old woman presenting with a severe headache owing to an abscess involving the pterygopalatine fossa. On a computed tomography scan, inflammation of the right pterygopalatine fossa associated with right maxillary sinusitis and periapical inflammation and a cystic lesion around the tooth were observed. After administering appropriate antibiotics, the headache improved considerably, and endoscopic nasal surgery resulted in adequate abscess drainage. To the authors' knowledge, this case study is one of the few reporting the successful treatment of an abscess in the pterygopalatine fossa through an endoscopic transnasal approach.

Local injection of amphotericin B: novel use in the treatment of fungal maxillary sinusitis.

This report highlights the role of local amphotericin B (AMB) injection in cases of maxillary mucormycosis. The COVID-19 pandemic has resulted in a dramatic rise in the number of rhino-orbital mucormycosis cases. Although extensive surgical debridement remains the gold standard treatment, tissue salvage is desirable. The cases of two patients treated with local AMB are reported here, indicating that early intervention for maxillary fungal sinusitis in the form of local AMB may avoid the need for more invasive treatment.

Evaluation of the efficacy of diffusion-weighted magnetic resonance imaging and apparent diffusion coefficients in the diagnosis of maxillary diseases.

OBJECTIVE: We investigated the efficacy of using diffusion-weighted imaging (DWI) with quantitative apparent diffusion coefficient (ADC) mapping in the diagnosis of maxillary diseases. STUDY DESIGN: We evaluated 146 cases of maxillary diseases (32 malignant tumors, 11 benign tumors, 28 maxillary cysts, 60 cases of maxillary sinusitis, and 15 maxillary sinus retention cysts) that had been examined using magnetic resonance imaging. The DWI sequence was obtained with b values of 0 and 800 s/mm2 and ADC values were calculated. We used one-way analysis of variance and the Tukey honestly significant difference test to identify differences within and between the types of diseases. RESULTS: Mean ADC values for malignant tumors (1.07 × 10-3 mm2 s-1) were significantly lower than ADCs for benign tumors (1.85 × 10-3 mm2 s-1), maxillary cysts (1.77 × 10-3 mm2 s-1), maxillary sinusitis (2.34 × 10-3 mm2 s-1), and maxillary sinus retention cysts (2.52 × 10-3 mm2 s-1), with P < 0.001.   Mean ADC differed significantly between all disease types except between maxillary sinusitis and maxillary sinus retention cysts. ADC values also significantly differed between specific lesions within the malignant tumor and maxillary cyst groups. CONCLUSIONS: The use of ADC values can be useful in the differential diagnosis of malignant maxillary diseases, benign lesions, cysts, and inflammatory and reactive conditions.