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Liposarcoma , Neoplasias Faríngeas , Humanos , Neoplasias Faríngeas/patología , Neoplasias Faríngeas/diagnóstico por imagen , Neoplasias Faríngeas/diagnóstico , Liposarcoma/patología , Liposarcoma/diagnóstico por imagen , Liposarcoma/diagnóstico , Liposarcoma/cirugía , Masculino , Persona de Mediana EdadRESUMEN
Hepatocellular carcinoma (HCC) is a highly malignant tumor with frequent intrahepatic and extrahepatic metastases. Extrahepatic metastasis occurs in one-third of patients with HCC and indicates a dismal prognosis. The head and neck region is an extremely uncommon site of metastatic HCC. Extrahepatic metastasis at first presentation, although uncommon, indicates advanced disease with a poor prognosis. Herein, we present the case of a 68-year-old male patient with a neck mass. Clinical examination and initial radiology were suggestive of an advanced primary pharyngeal malignancy. Biopsy showed neoplasm with large polygonal cells with clear/granular cytoplasm. The neoplastic cells showed positivity for Hep Par1, CD10, and CEA. A diagnosis of metastatic HCC was given. Subsequently, serum alpha-fetoprotein level was found to be markedly elevated and further imaging showed multiple mass lesions in the liver. It is necessary to recognize that the pharyngeal region is a potential site of HCC metastasis. Accurate diagnosis and risk stratification can help in avoiding unnecessary costs and delay in treatment.
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Carcinoma Hepatocelular , Neoplasias Hipofaríngeas , Neoplasias Hepáticas , Neoplasias Faríngeas , Masculino , Humanos , Anciano , Carcinoma Hepatocelular/patología , Neoplasias Hepáticas/diagnóstico por imagen , Neoplasias Hepáticas/patología , Pronóstico , Neoplasias Hipofaríngeas/diagnóstico , Neoplasias Faríngeas/diagnósticoRESUMEN
OBJECTIVE: To assess whether narrow band imaging (NBI) detects fields of cancerisation around suspicious lesions in the upper aerodigestive tract, which were undetected by white light imaging (WLI). METHODS: In 96 patients with laryngeal and pharyngeal lesions suspicious for malignancy, 206 biopsies were taken during laryngoscopy: 96 biopsies of suspicious lesions detected by both WLI and NBI (WLI+/NBI+), 60 biopsies adjacent mucosa only suspicious with NBI (WLI-/NBI+), and 46 biopsies of NBI and WLI unsuspicious mucosa (WLI-/NBI-) as negative controls. Optical diagnosis according to the Ni-classification was compared with histopathology. RESULTS: Signs of (pre)malignancy were found in 88% of WLI+/NBI+ biopsies, 32% of WLI-/NBI+ biopsies and 0% in WLI-/NBI- (p < .001). In 58% of the WLI-/NBI+ mucosa any form of dysplasia or carcinoma was detected. CONCLUSION: The use of additional NBI led to the detection of (pre)malignancy in 32% of the cases, that would have otherwise remained undetected with WLI alone. This highlights the potential of NBI as a valuable adjunct to WLI in the identification of suspicious lesions in the upper aerodigestive tract.
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Neoplasias Laríngeas , Laringoscopía , Imagen de Banda Estrecha , Humanos , Imagen de Banda Estrecha/métodos , Femenino , Masculino , Laringoscopía/métodos , Persona de Mediana Edad , Anciano , Neoplasias Laríngeas/patología , Neoplasias Laríngeas/diagnóstico por imagen , Neoplasias Laríngeas/diagnóstico , Biopsia , Adulto , Neoplasias Faríngeas/patología , Neoplasias Faríngeas/diagnóstico por imagen , Neoplasias Faríngeas/diagnóstico , Lesiones Precancerosas/patología , Lesiones Precancerosas/diagnóstico por imagen , Lesiones Precancerosas/diagnóstico , Anciano de 80 o más Años , BlancoRESUMEN
Schwannoma is a benign neoplasm that develops from the Schwann cells of the nerve sheath. The share of neurogenic tumors of the parapharyngeal space accounts for 0.5% of all neoplasms of this localization. The article demonstrates a case from practice, presents the clinical features, diagnostics and methods of treatment for patients with pharyngeal neuromas. The peculiarity of the presented clinical observation is due to the rare occurrence of this pathology and the large size of the schwannoma in the long-term asymptomatic course of the disease.
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Neurilemoma , Neoplasias Faríngeas , Humanos , Espacio Parafaríngeo/cirugía , Espacio Parafaríngeo/patología , Faringe , Neurilemoma/diagnóstico , Neurilemoma/cirugía , Neurilemoma/patología , Neoplasias Faríngeas/diagnóstico , Neoplasias Faríngeas/cirugíaRESUMEN
BACKGROUND: The development of more sensitive biomarkers for the detection of early-stage head and neck squamous cell carcinoma is needed. AIMS/OBJECTIVES: This study was performed to assess the value of serum p53 antibody (s-p53-Ab) as a biomarker for oral and pharyngeal carcinoma. MATERIAL AND METHODS: Pre-treatment serum was collected for 71 patients with oral and pharyngeal carcinoma and 117 healthy volunteers as controls and analyzed s-p53-Ab using enzyme-linked immunosorbent assay (ELISA). RESULTS: Using 1.3 U/mL as the cut-off value, 14 of 71 patients (sensitivity 19.7%), and 12 of 117 control cases were positive for s-p53-Ab (specificity 89.7%). Excluding 12 cases of p16-positive oropharyngeal and nasopharyngeal cancer which were all negative for s-p53-Ab, the sensitivity in early-stage 1-2 cases was 30.0%, which was higher than conventional tumor markers. CONCLUSIONS AND SIGNIFICANCE: The s-p53-Ab was not detected in any cases of virus-related cancer in which p53 gene mutations were not involved in carcinogenesis. Since the s-p53-Ab sensitivity was high even in early-stage disease, s-p53-Ab measurement may be useful as an early diagnostic biomarker in patients with oral, p16- oropharyngeal, and hypopharyngeal cancer.
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Neoplasias Faríngeas , Carcinoma de Células Escamosas de Cabeza y Cuello , Humanos , Anticuerpos , Biomarcadores de Tumor , Neoplasias Faríngeas/diagnóstico , Carcinoma de Células Escamosas de Cabeza y Cuello/diagnóstico , Proteína p53 Supresora de TumorRESUMEN
The parotid gland is the largest salivary gland. Tumors of the salivary gland account for 5% in the structure of oncological morbidity, and up to 80% of tumors affect the large salivary glands with tumor localization in 20% of cases in the pharyngeal process of the parotid salivary gland. The main clinical sign of a tumor of the parotid salivary gland is the presence of a slowly growing mass in the area of the gland. Often, underestimation of the clinical symptoms of salivary gland tumors is the reason for the late diagnosis of this disease and the initial manifestations of the process remain unnoticed for a long time. In order to increase the efficiency of clinical diagnostics of salivary gland tumors, the staff of the Department of Maxillofacial Surgery, Otorhinolaryngology and Topographic Anatomy with Operative Surgery of the Burdenko Voronezh State Medical University studied the clinical and anatomical parallels of changes in the ENT organs in lesions of the pharyngeal process of the parotid salivary gland. Using the previously obtained results of interdisciplinary interaction of otorhinolaryngologists and maxillofacial surgeons made it possible to increase the efficiency of diagnosis and treatment of patients with tumors of the pharyngeal process of the parotid salivary gland.
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Adenoma Pleomórfico , Neoplasias de la Parótida , Neoplasias Faríngeas , Neoplasias de las Glándulas Salivales , Humanos , Neoplasias de la Parótida/diagnóstico , Neoplasias de la Parótida/cirugía , Neoplasias de la Parótida/patología , Saliva , Neoplasias de las Glándulas Salivales/patología , Faringe , Neoplasias Faríngeas/diagnóstico , Neoplasias Faríngeas/cirugía , Adenoma Pleomórfico/patología , Glándula Parótida/cirugía , Glándula Parótida/patologíaRESUMEN
This article summarizes the results of a retrospective population-based cohort study using the statistical database of SEER*Stat 8.3.54 (produced 3/5/2018 for diagnosis years 1973-2014) to assess, determine, compare, and summarize the occurrence, long-term survival, and mortality indices of 218,066 patients with oral cavity and pharynx cancers by age, sex, race, stage, grade, and disease duration.
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Neoplasias Faríngeas , Faringe , Humanos , Estudios de Cohortes , Programa de VERF , Estudios Retrospectivos , Neoplasias Faríngeas/diagnóstico , Neoplasias Faríngeas/epidemiología , BocaRESUMEN
BACKGROUND: Protothecosis is a rare infection in humans and animals caused by the achlorophyllic algae Prototheca species. More than half of the protothecosis cases are cutaneous infections, and most cases are observed in immunocompromised individuals. CASE PRESENTATION: We report a case of Prototheca wickerhamii infection in the mucosa of the pharynx in a 53-year-old immunocompetent woman with an incidentally found mass lesion at the left tongue base. Histopathological findings of the mass lesion suggested cryptococcosis, but P. wickerhamii was identified from the oropharynx scrape culture based on DNA sequencing. After surgical resection, fosfluconazole treatment was initiated, and subsequently, treatment was switched to topical amphotericin B. The residual mass lesion did not deteriorate during the 4-month antifungal treatment and 1-year observational period. CONCLUSIONS: Prototheca species can be easily misdiagnosed as yeasts because of their morphological and pathological similarities. Prototheca, in addition to Cryptococcus should be considered if slow-growing, large Gram-positive organisms are encountered. Lactophenol cotton blue staining of the colony helps distinguish these organisms. Further study is needed to determine the appropriate treatment according to the infection focus.
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Prototheca/aislamiento & purificación , Enfermedades Cutáneas Infecciosas/diagnóstico , Animales , Diagnóstico Diferencial , Femenino , Humanos , Persona de Mediana Edad , Membrana Mucosa , Neoplasias Faríngeas/diagnóstico , Faringe , Prototheca/genética , Análisis de Secuencia de ADN , Piel/patología , Espectrometría de Masa por Láser de Matriz Asistida de Ionización DesorciónRESUMEN
BACKGROUND: In-office biopsies (IOB) using local anaesthetic for laryngopharyngeal tumours has become an increasingly popular approach since the advent of distal chip endoscopes. Although a wide range of studies advocate use in clinical practice, the widespread application of the procedure is hampered by concerns regarding diagnostic accuracy. OBJECTIVE: To assess the diagnostic accuracy of IOB performed via flexible endoscopy. In addition, to analyse modifiable factors that may affect diagnostic accuracy of IOB. DESIGN: A systematic review following the PRISMA guidelines was conducted. PubMed, EMBASE, the Cochrane Library, Web of Science and CINAHL were used in the literature database search. Quality assessment of included studies was perfomed using the Newcastle-Ottawa Scale. RESULTS: A total of 875 studies were identified, 16 of which were included into the systematic review; 1572 successful biopsies were performed using flexible endoscopy; 1283 cases were accurately diagnosed in the outpatient setting (81.6%) and 289 samples did not provide an accurate diagnosis (18.4%). The median sensitivity of IOB was 73%, and the specificity was 96.7%. Analysis of variable factors did not show any significant differences in method of approach, size of equipment (forceps) and additional lighting system or learning curve. CONCLUSION: IOB are a viable tool for diagnostic workup of laryngopharyngeal tumours. Clinicians should be wary of reported limitations of IOB when benign or pre-malignant diagnoses are made. In cases suspicious of malignancy, confirmatory investigation should be conducted.
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Biopsia/métodos , Neoplasias Laríngeas/diagnóstico , Neoplasias Faríngeas/diagnóstico , Humanos , Pacientes AmbulatoriosRESUMEN
Lip, oral cavity, and pharyngeal cancers (LOCP) constitute a group of rare neoplasms with unfavorable prognosis. So far, not much is known about the role of vitamin D and oxidative stress in the pathogenesis of LOCP in the European population. The aim of the study was to determine the concentrations of vitamin D, osteopontin, melatonin, and malondialdehyde (MDA) as markers of oxidative stress and/or inflammation, as well as the activities of antioxidant enzymes in the course of LOCP. The vitamin D, melatonin, and osteopontin concentrations in blood serum, the MDA levels in erythrocytes and blood plasma, and the activities of superoxide dismutase (SOD-1), catalase (CAT), and glutathione peroxidase (GPx) in erythrocytes were measured in blood samples taken from 25 LOCP patients of middle age (YCG), 20 LOCP elderly patients (OCG), and 25 healthy middle-aged volunteers. In both cancer groups, decreases in vitamin D and CAT, as well as increases in osteopontin and blood plasma MDA, were observed. An increase in GPx activity in YCG and a decrease in melatonin level in OCG were found. The results indicate the vitamin D deficiency and disturbed oxidant-antioxidant homeostasis in LOCP patients. Osteopontin seems to be associated with LOCP carcinogenesis and requires further research.
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Biomarcadores de Tumor/sangre , Neoplasias de los Labios/sangre , Melatonina/sangre , Neoplasias de la Boca/sangre , Osteopontina/sangre , Estrés Oxidativo , Neoplasias Faríngeas/sangre , Deficiencia de Vitamina D/sangre , Vitamina D/sangre , Anciano , Estudios de Casos y Controles , Femenino , Humanos , Neoplasias de los Labios/diagnóstico , Masculino , Persona de Mediana Edad , Neoplasias de la Boca/diagnóstico , Neoplasias Faríngeas/diagnóstico , Deficiencia de Vitamina D/diagnósticoRESUMEN
OBJECTIVES/HYPOTHESIS: To analyze the clinical features, classification, and treatment of adult nasopharyngolaryngeal hemangioma (ANPLH). STUDY DESIGN: Retrospective study. METHODS: From February 2009 to May 2020, 101 patients with ANPLH were reviewed and analyzed. RESULTS: Symptoms of ANPLH were frequently displayed as abnormal pharyngeal sensation and functional defection. According to lesion location, ANPLH was divided into five categories including nasopharyngeal, oropharyngeal, hypopharyngeal, laryngeal, and mixed types. The mixed type constitutes the highest portion, and the nasopharyngeal type is the least in our cohort. Most lesions could resect through natural cavity under endoscopy. Patients with mixed lesions had a higher rate of postoperative recurrence and planned multiple surgeries. Acceptable but not severe intraoperative and postoperative complications occurred in our patient cohort. CONCLUSIONS: Patients with ANPLH are always symptomatic and even functional defective, which can be classified into five categories based on lesion location. For these patients, endoscopic surgery through natural cavity is recommended to remove lesions with fewer complications and favorable clinical outcomes. LEVEL OF EVIDENCE: 4 Laryngoscope, 131:2724-2728, 2021.
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Hemangioma/diagnóstico , Neoplasias Laríngeas/diagnóstico , Cirugía Endoscópica por Orificios Naturales , Recurrencia Local de Neoplasia/epidemiología , Neoplasias Nasales/diagnóstico , Neoplasias Faríngeas/diagnóstico , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Estudios de Seguimiento , Hemangioma/epidemiología , Hemangioma/patología , Hemangioma/cirugía , Humanos , Neoplasias Laríngeas/epidemiología , Neoplasias Laríngeas/patología , Neoplasias Laríngeas/cirugía , Masculino , Persona de Mediana Edad , Neoplasias Nasales/epidemiología , Neoplasias Nasales/patología , Neoplasias Nasales/cirugía , Neoplasias Faríngeas/epidemiología , Neoplasias Faríngeas/patología , Neoplasias Faríngeas/cirugía , Estudios Retrospectivos , Adulto JovenRESUMEN
PURPOSE: Parapharyngeal space neoplasms (PSNs) are rare tumors of the head and neck region. In this study, we report our institutional experience with PSNs over a 27-years period. METHODS: Patients treated between 1992 and 2018 were identified through our tumor board database. Data concerning demographics, clinical presentation, disease features, treatment, complications and follow-up were obtained retrospectively. RESULTS: In total, 48 patients were identified. Most patients had benign tumors (67.5%), with pleomorphic adenoma and schwannoma being the most frequent entities. Malignant tumors represented the remaining 32.5% of neoplasms. Concerning tissue of origin, 67.5% of neoplasms originated from salivary glands and 17.5% were neurogenic. The vast majority of PSNs required open surgical approaches (77%). The most frequent reversible and irreversible complications included paralysis of facial, vagal, and hypoglossal nerves (transient 62.5%, permanent 31.3%). Tumor recurrences occurred in 16.7% of our patients. CONCLUSION: Neoplasms of the parapharyngeal space (PPS) are rare. In our series, consistent with the literature, most patients had benign tumors. Fine-needle aspiration cytology (FNAC) and/or transoral biopsy in selected cases combined with radiographic imaging are helpful to plan the optimal approach (open/transoral) and extent of primary surgery. Close follow-up in malignant neoplasms is crucial to assess recurrence early. We present one of the largest recent studies on PPS tumors treated in a center. Given the low incidence of these tumors, our results contribute to the existing sparse evidence regarding the management and outcome of such tumors.
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Adenoma Pleomórfico , Neoplasias Faríngeas , Adenoma Pleomórfico/cirugía , Humanos , Cuello , Recurrencia Local de Neoplasia , Espacio Parafaríngeo , Neoplasias Faríngeas/diagnóstico , Neoplasias Faríngeas/cirugía , Estudios RetrospectivosRESUMEN
Tenosynovial giant cell tumor (TSGCT) represents a family of benign tumors that arise from the synovial tissue of a joint, tendon sheath, or bursa. It usually involves the joints of the extremities and rarely occurs in the head and neck region. Here, we describe a case of a 32-year-old man with a submucosal mass bulging in the posterior pharyngeal wall since one month. The lesion was removed and diagnosed with localized type of TSGCT based on histopathological investigations and clinical presentation. It is very rare that TSGCT occurs in the retropharynx, which reminds clinicians to consider this entity as a possible diagnosis.
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Tumor de Células Gigantes de las Vainas Tendinosas/patología , Neoplasias Faríngeas/patología , Adulto , Diagnóstico Diferencial , Tumor de Células Gigantes de las Vainas Tendinosas/diagnóstico , Humanos , Masculino , Ilustración Médica , Neoplasias Faríngeas/diagnóstico , Faringe/diagnóstico por imagenAsunto(s)
Ácidos Nucleicos Libres de Células/análisis , ADN de Neoplasias/análisis , Neoplasias de Cabeza y Cuello/diagnóstico , Biopsia Líquida/métodos , Saliva/química , Terminología como Asunto , Biomarcadores de Tumor/análisis , Biomarcadores de Tumor/genética , ADN Mitocondrial , Neoplasias de Cabeza y Cuello/genética , Humanos , Neoplasias Laríngeas/diagnóstico , Neoplasias Laríngeas/genética , Neoplasias Faríngeas/diagnóstico , Neoplasias Faríngeas/genéticaRESUMEN
Carcinoma of the thyroid gland is one of the most commonly encountered endocrine malignancies. Papillary carcinoma is the most common histological type and its pattern of metastasis are usually lymphatic. Lymphatic metastasis to parapharyngeal space is rare and have been reported, so we report the case of a 50-year-old male patient who had an occult papillary carcinoma of the thyroid presented as right lateral node of the neck and a nodal involvement of the right parapharyngeal space.
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Carcinoma Papilar/diagnóstico , Neoplasias Faríngeas/diagnóstico , Neoplasias de la Tiroides/diagnóstico , Carcinoma Papilar/patología , Humanos , Metástasis Linfática , Masculino , Persona de Mediana Edad , Neoplasias Faríngeas/patología , Neoplasias Faríngeas/secundario , Neoplasias de la Tiroides/patologíaRESUMEN
Well-differentiated (WDL) and dedifferentiated liposarcomas (DL) of the pharynx, larynx and oral cavity are rare, often mimicking benign lipomatous neoplasms or non-lipogenic mesenchymal tumors. Cases of WDL/DL arising in the upper aerodigestive tract, exclusive of the cervical esophagus, were reviewed. Morphologic features, ancillary studies, including fluorescence in situ hybridization (FISH) studies for CPM/MDM2, and clinical data was catalogued. Eight WDL/DL (4 WDL, 4 DL); were identified in patients ranging from 32 to 77 years (median 52.5 years; 6 males, 2 females) with sites of origin including hypopharynx (5 cases), larynx (2 cases) and oral cavity (1 case). Six of the 8 cases were received for expert consultation, and the remaining 2 cases were initially misdiagnosed as benign lymphangiomatous or fibroepithelial polyps. Morphologically, 4 tumors had areas mimicking various non-lipomatous soft tissue tumors including nodular fasciitis, mammary-type myofibroblastoma, low-grade myofibroblastic sarcoma and undifferentiated pleomorphic sarcoma, 2 cases simulated benign hypopharyngeal polyps, and 1 lesion was notable for a dense lymphoplasmacytic infiltrate suggestive of hematolymphoid neoplasm or IgG4-related sclerosing disease. FISH showed amplification of CPM/MDM2 (8/8 cases). All cases (4/4) with longer than 1-year of follow-up recurred (45-118 months) with 1 tumor showing progression to DL. WDL/DL presenting in the upper aerodigestive tract are rare and diagnostically challenging. Awareness of the morphologic spectrum of WDL/DL coupled with appropriate use of MDM2 FISH is essential for accurate classification and management, as these tumors appear to have a high risk for local recurrence and eventual dedifferentiation in these anatomical locations.
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Neoplasias Laríngeas/patología , Liposarcoma/patología , Neoplasias de la Boca/patología , Neoplasias Faríngeas/patología , Adulto , Anciano , Diagnóstico Diferencial , Femenino , Humanos , Neoplasias Laríngeas/diagnóstico , Liposarcoma/diagnóstico , Masculino , Persona de Mediana Edad , Neoplasias de la Boca/diagnóstico , Neoplasias Faríngeas/diagnósticoRESUMEN
BACKGROUND: The most common sites of recurrence after liver transplantation for hepatocellular carcinoma (HCC) have been reported to be the liver, lung, bone, and adrenal glands, but there have also been many reports of cases of multiple recurrence. The prognosis after recurrence is poor, with reported median survival after recurrence of HCC ranging from 9 to 19 months. Here, we report a case of long-term survival after recurrence of pharyngeal metastasis following living-donor liver transplantation (LDLT) for HCC within the Milan criteria, by resection of the metastatic region and cervical lymph node dissection. CASE PRESENTATION: A 47-year-old man with a Model End-stage Liver Disease (MELD) score of 11 underwent LDLT for HCC within the Milan criteria for liver cirrhosis associated with hepatitis B virus infection, with his 48-year-old elder brother as the living donor. One year and 10 months after liver transplantation, he visited a nearby hospital with a chief complaint of discomfort on swallowing. A pedunculated polyp was found in the hypopharynx, and biopsy revealed HCC metastasis. We performed pharyngeal polypectomy. Two years later, cervical lymph node metastasis appeared, and neck lymph node dissection was performed. Although recurrence subsequently occurred three times in the grafted liver, the patient is still alive 12 years and 10 months after recurrence of pharyngeal metastasis. He is now a tumor-free outpatient taking sorafenib. CONCLUSION: It is necessary to recognize that the nasopharyngeal region is a potential site of HCC metastasis. Prognostic improvement can be expected with close follow-up, early detection, and multidisciplinary treatment, including radical resection.
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Carcinoma Hepatocelular/terapia , Enfermedad Hepática en Estado Terminal/cirugía , Neoplasias Hepáticas/terapia , Trasplante de Hígado/efectos adversos , Recurrencia Local de Neoplasia/diagnóstico , Neoplasias Faríngeas/secundario , Aloinjertos/diagnóstico por imagen , Aloinjertos/patología , Aloinjertos/cirugía , Biopsia , Carcinoma Hepatocelular/complicaciones , Carcinoma Hepatocelular/diagnóstico , Carcinoma Hepatocelular/secundario , Ablación por Catéter , Quimioterapia Adyuvante/métodos , Combinación de Medicamentos , Enfermedad Hepática en Estado Terminal/etiología , Hepatectomía , Humanos , Hígado/diagnóstico por imagen , Hígado/patología , Hígado/cirugía , Neoplasias Hepáticas/complicaciones , Neoplasias Hepáticas/diagnóstico , Neoplasias Hepáticas/patología , Donadores Vivos , Metástasis Linfática/diagnóstico por imagen , Masculino , Persona de Mediana Edad , Recurrencia Local de Neoplasia/patología , Recurrencia Local de Neoplasia/terapia , Ácido Oxónico/uso terapéutico , Neoplasias Faríngeas/diagnóstico , Neoplasias Faríngeas/terapia , Faringe/diagnóstico por imagen , Faringe/patología , Faringe/cirugía , Tomografía Computarizada por Tomografía de Emisión de Positrones , Sorafenib/uso terapéutico , Tegafur/uso terapéutico , Resultado del TratamientoRESUMEN
OBJECTIVE: An increased interval between symptomatic disease and treatment may negatively influence oncologic and/or functional outcomes in head and neck cancer (HNC). This systematic review aims to provide insight into the effects of time to treatment intervals on oncologic and functional outcomes in oral cavity, pharyngeal, and laryngeal cancer. DATA SOURCES: PubMed, EMBASE, and Cochrane library were searched. REVIEW METHODS: All studies on delay or time to diagnosis or treatment in oral, pharyngeal, and laryngeal cancer were included. Quality assessment was performed with an adjusted version of the Newcastle-Ottawa scale. Outcomes of interest were tumor volume, stage, recurrence, survival, patient-reported outcome measures (PROMs), toxicity, and functionality after treatment. RESULTS: A total of 51 studies were included. Current literature on the influence of delay in HNC is inconsistent but indicates higher stage and worse survival with longer delay. The effects on PROMs, toxicity, and functional outcome after treatment have not been investigated. The inconsistencies in outcomes were most likely caused by factors such as heterogeneity in study design, differences in the definitions of delay, bias of results, and incomplete adjustment for confounding factors in the included studies. CONCLUSION: Irrespective of the level of evidence, the unfavorable effects of delay on oncologic, functional, and psychosocial outcomes are undisputed. Timely treatment while maintaining high-quality diagnostic procedures and decision making reflects good clinical practice in our opinion. This review will pose practical and logistic challenges that will have to be overcome.