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1.
Stomatologiia (Mosk) ; 101(1): 13-16, 2022.
Artigo em Russo | MEDLINE | ID: mdl-35184528

RESUMO

THE AIM OF THE STUDY: Was the increasing the effectiveness of treatment and prevention of postoperative complications in the patients with benign tumors of the parotid salivary gland through the combined use of medications, acupuncture, hirudotherapy and a complex of physiotherapy. MATERIALS AND METHODS: The study comprised 94 patients with postoperative complications after surgical treatment of benign tumors of the parotid salivary gland. All patients suffering from paresis of facial muscles were prescribed a physiotherapy complex developed during the study consisting of two series of exercises with alternating execution of the series every other day. The exercises begin with the upper third of the face, gradually descending to the lower third. A series of exercises is performed every hour and a half, the session duration is twenty minutes, the course is 14 days. The exercises are performed by the patient in front of the mirror, gently and at a slow pace. RESULTS: The duration of the recovery period of motor function of the facial muscles on the affected side was 31.2±19.6 days, with the amplitude of the M-response 1.45±0.28 mV, the duration of the M-response 8.04±0.27 ms and the latent time during EMG 3.18±0.86 ms. Conclusion. The combined treatment, which included surgical and conservative treatment complex with methods of acupuncture, hirudotherapy and physiotherapy, was significantly more effective (p<0.05) in terms of the severity of paresis of facial muscles than in the control group.


Assuntos
Paralisia Facial , Neoplasias Parotídeas , Músculos Faciais/patologia , Paralisia Facial/etiologia , Humanos , Paresia/complicações , Paresia/patologia , Glândula Parótida/patologia , Neoplasias Parotídeas/complicações , Neoplasias Parotídeas/patologia , Neoplasias Parotídeas/cirurgia , Modalidades de Fisioterapia/efeitos adversos , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/prevenção & controle , Estudos Retrospectivos
2.
J Craniofac Surg ; 31(2): 573-576, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-31842078

RESUMO

The aim of this study was to demonstrate the extent of preseptal orbicularis oculi muscle (OOM) override onto the pretarsal OOM in the lower eyelids. In this experimental microscopic study, 22 exenterated specimens from 22 Japanese cadavers were prepared as full-thickness sagittal sections. All exenterated specimens were devoid of lower eyelid entropion. The tarsal dimension and distance from the lower tarsal edge to the tip of overriding OOM were microscopically measured. The rotation axis of the tarsus was presumed to pass through the tarsal centroid and the distance from an estimated tarsal centroid to the lower tarsal edge was calculated. Consequently, 2 eyelids did not exhibit any overriding of the OOM. In the remaining 20 eyelids with OOM override, the average distance of the overriding OOM was found at a level covering 48.0% of the whole tarsal height. In 15 out of the 20 eyelids, the tip of the overriding OOM was located lower than the centroid. These microscopic findings suggest that overriding of the preseptal OOM does not always produce an inward rotational force on the tarsus.


Assuntos
Entrópio/patologia , Pálpebras/patologia , Músculos Faciais/patologia , Idoso , Idoso de 80 Anos ou mais , Cadáver , Entrópio/cirurgia , Pálpebras/cirurgia , Músculos Faciais/cirurgia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
3.
Eur Arch Otorhinolaryngol ; 276(7): 2055-2060, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31076880

RESUMO

PURPOSE: We morphometrically analyzed human facial muscles, and evaluated the Yanagihara facial nerve grading system using our data. METHODS: We used 15 types of human facial muscle, 2 types of masticatory muscle and 2 types of skeletal muscle. The materials were obtained from 11 Japanese male cadavers aged 43-86 years. We counted the muscle fibers and measured the transverse area of the muscle fibers (TAMF), and then calculated the number of muscle fibers (NMF) per mm2 and the average TAMF. RESULTS: We found a significant correlation between average TAMF and NMF (r = - 0.70; p < 0.01). We classified facial muscles into three types based on the correlational results. Type A had a low average TAMF and high NMF. Type C had a high average TAMF and low NMF. Masticatory and skeletal muscles were characterized as Type C. Type B was intermediate between Types A and C. CONCLUSIONS: Pathological changes in the facial muscles in facial nerve palsy seem to vary according to the type of facial muscle, because each facial muscle has a unique fiber-type composition. As the nine discrete facial expressive states evaluated in the Yanagihara system involve all three facial muscle types of our classification, the Yanagihara system is an outstanding system for grading facial nerve palsy in terms of the facial muscle morphology.


Assuntos
Músculos Faciais , Nervo Facial/patologia , Paralisia Facial , Adulto , Idoso , Cadáver , Face , Músculos Faciais/inervação , Músculos Faciais/patologia , Paralisia Facial/classificação , Paralisia Facial/patologia , Humanos , Masculino , Pessoa de Meia-Idade , Patologia Clínica/métodos
4.
J Craniofac Surg ; 30(7): 2249-2250, 2019 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-31568158

RESUMO

INTRODUCTION: Lash ptosis is often an overlooked sign that may coexist with congenital and acquired blepharoptosis. This is a report of case series of patients presented in an oculoplastic clinic with visual field loss associated with lash ptosis. On examination, the primary pathology was attributed to lash ptosis dehiscence. METHODS: All patients underwent anterior lamellar repositioning and were followed for an average of 15 (10-24) months. RESULTS: All patients had resolution of visual field loss and heaviness of eyelids. CONCLUSIONS: Lash ptosis is associated with abnormalities such as floppy eyelid syndrome. However it may be a primary condition, with no background eyelid pathology and no external explanation for the eyelash ptosis. The condition might result from anatomical changes in the orbicularis oculi, Riolan's muscle, and tarsal plate. Patients in this series complained of upper lid visual field restriction. Anterior lamellar repositioning resulted in complete resolution of complaints. Additional studies are needed to learn about the pathophysiology of this entity.


Assuntos
Blefaroptose/fisiopatologia , Adulto , Blefaroptose/patologia , Pálpebras/patologia , Músculos Faciais/patologia , Humanos , Masculino
5.
Rev Neurol (Paris) ; 175(3): 198-200, 2019 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-30658849

RESUMO

The authors describe a sculpture from Daumier, called "Le Hargneux" (The peevish one), whose physiognomic study evokes hitherto unrecognized cranial-cervical dystonia. It is probably the first representation of dystonia in sculpture, before its scientific identification by Horatio Wood, in 1887.


Assuntos
Distúrbios Distônicos/patologia , Medicina nas Artes , Escultura , Blefarospasmo/complicações , Blefarospasmo/patologia , Distúrbios Distônicos/complicações , Distúrbios Distônicos/história , Músculos Faciais/anormalidades , Músculos Faciais/patologia , História do Século XIX , Humanos , Medicina nas Artes/história , Paris , Escultura/história
6.
Br J Dermatol ; 179(5): 1109-1114, 2018 11.
Artigo em Inglês | MEDLINE | ID: mdl-29878304

RESUMO

BACKGROUND: Port-wine macrocheilia (PWM) involves a congenital, progressive capillary malformation that results in soft-tissue hypertrophy in the lips. Its aetiology has not yet been fully elucidated. OBJECTIVES: To investigate frequencies of GNAQ mutation in different tissues from patients with PWM, including skin, mucosa, gland and muscle, using samples obtained during cheiloplasty. METHODS: Targeted next-generation sequencing of GNAQ was designed and performed to assess DNA extracted from 80 different affected tissues from 20 patients with PWM. RESULTS: The GNAQ R183Q mutation was not detected in gland samples but was found in 90%, 95% and 95% of the skin, mucosal and muscle samples, respectively. The lowest levels of mutations were found in the glands (P < 0·001 vs. skin, mucosa and muscle), and levels were second lowest in the skin (P = 0·023 vs. mucosa; P = 0·012 vs. muscle). The mutation frequencies in mucosa and muscle were the highest and showed no statistically significant difference (P = 0·92). CONCLUSIONS: In patients with PWM, GNAQ was mutated in all tissues except for glands. PWM is congenital, and all tissue layers exhibit primary hypertrophy rather than acquired or partially related hypertrophy. Given the advantages of mucosal biopsy, including practicality, lack of scarring and rapid healing, GNAQ mutation in the lip mucosa may be a useful predictor for early-stage PWM in patients with port-wine stains affecting the lips.


Assuntos
Capilares/anormalidades , Subunidades alfa Gq-G11 de Proteínas de Ligação ao GTP/genética , Doenças Labiais/genética , Mancha Vinho do Porto/genética , Malformações Vasculares/genética , Adolescente , Adulto , Idoso , Capilares/patologia , Capilares/cirurgia , Criança , Análise Mutacional de DNA , Músculos Faciais/irrigação sanguínea , Músculos Faciais/patologia , Músculos Faciais/cirurgia , Feminino , Sequenciamento de Nucleotídeos em Larga Escala , Humanos , Lábio/irrigação sanguínea , Lábio/patologia , Lábio/cirurgia , Doenças Labiais/patologia , Doenças Labiais/cirurgia , Masculino , Pessoa de Meia-Idade , Mucosa Bucal/irrigação sanguínea , Mucosa Bucal/patologia , Mucosa Bucal/cirurgia , Mutação , Mancha Vinho do Porto/patologia , Procedimentos de Cirurgia Plástica , Glândulas Salivares/irrigação sanguínea , Glândulas Salivares/patologia , Glândulas Salivares/cirurgia , Pele/irrigação sanguínea , Pele/patologia , Malformações Vasculares/patologia , Malformações Vasculares/cirurgia , Adulto Jovem
7.
Ophthalmic Plast Reconstr Surg ; 34(3): 296-299, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-28723735

RESUMO

PURPOSE: To compare needle and microcannula injection techniques in regards to the microanatomical location of hyaluronic acid (HA) gel injected in the upper lip vermillion border of cadaver specimens. METHODS: The upper lip vermillion border was injected transcutaneously with HA gel in 8 fresh hemifaces of 4 female human cadavers. Each hemiface was injected by a single experienced injector, the right side using a 27-gauge microcannula and the left side using a 30-gauge needle. A 2-cm region of each lip was excised lateral to a point 1-cm lateral to the philtrum. Specimens were fixed in 95% alcohol, embedded in paraffin, and stained with hematoxylin-eosin for histologic examination. RESULTS: Most HA injected with either a needle or a microcannula was located within the orbicularis oris muscle, and the remaining HA resided within the subcutaneous fat. In 3/4 right (microcannula) hemifaces, 100% of the HA was located within the muscle. Only 2/4 left (needle) hemifaces had at least 95% of the HA located within the muscle. Overall, in right (microcannula) hemifaces, 93% of the filler was located within the muscle, and in left (needle) hemifaces, 79% of the filler was located within the muscle (p =0.14). CONCLUSIONS: Most HA filler injected into the vermillion border after either microcannula or needle injection resides within the orbicularis oris muscle rather than in a subcutaneous/submucosal location. Injection with a microcannula shows a trend for more uniform intramuscular location compared with needle injection.


Assuntos
Cânula , Técnicas Cosméticas/instrumentação , Ácido Hialurônico/administração & dosagem , Injeções Subcutâneas/métodos , Lábio , Agulhas , Cadáver , Músculos Faciais/patologia , Feminino , Humanos , Gordura Subcutânea/patologia
8.
Acta Neurol Scand ; 136(2): 103-108, 2017 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-27808417

RESUMO

OBJECTIVE: To determine the efficacy of levetiracetam in oromandibular or cranial dystonia. METHODS: We recruited seven subjects with oromandibular or cranial dystonia. Five completed the study, median age was 71 years (range 42-79 years), median disease duration was 12 years (range 2-30 years). Participants were randomized to receive levetiracetam or placebo and were then crossed over. They titrated up to a total daily dose of 4000 mg or the maximum tolerated dose over 3 weeks and maintained that dose for another 3 weeks. The primary endpoint was the percent change of the eyes, mouth, speech, and swallowing Burke-Fahn-Marsden (BFM) subscores from baseline to weeks 6 and 14. Additional endpoints included the BFM subscore at weeks 3 and 11, and the global dystonia severity (GDS) subscore at weeks 3, 6, 11, and 14, as well as all adverse side effects. RESULTS: The mean percent increase in the BFM subscore (placebo: 31.25%, levetiracetam: 12.16%) was not significantly different between the two arms according to the Friedman analysis. The Wilcoxon signed-rank test showed that these percent changes were not significant, indicating that there was no statistical clinical worsening in either arm. The mean percent change of the BFM subscore at weeks 3 and 11 and the mean percent change of the GDS subscore at weeks 3, 6, 11, and 14 were not significantly different between the two arms, and the Wilcoxon signed-rank test did not show statistical significance. CONCLUSION: Levetiracetam does not appear to be efficacious in patients with oromandibular or cranial dystonia.


Assuntos
Anticonvulsivantes/uso terapêutico , Distúrbios Distônicos/diagnóstico , Distúrbios Distônicos/tratamento farmacológico , Músculos Faciais/patologia , Piracetam/análogos & derivados , Adulto , Idoso , Anticonvulsivantes/farmacologia , Estudos Cross-Over , Método Duplo-Cego , Músculos Faciais/efeitos dos fármacos , Feminino , Humanos , Levetiracetam , Masculino , Pessoa de Meia-Idade , Piracetam/farmacologia , Piracetam/uso terapêutico , Crânio , Resultado do Tratamento
9.
J Drugs Dermatol ; 16(5): 471-477, 2017 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-28628683

RESUMO

Background: Individualized neuromodulator injections of the forehead are increasingly important to maximize patient safety and satisfaction and to yield the best aesthetic outcome. To assess the location of maximal muscle contraction, it would beneficial to relate the shape and location of the forehead lines to the morphology of the underlying frontalis muscle.

Materials and Methods: We investigated the shape of forehead lines and their relationship to the morphology of the underlying frontalis muscle using anatomic dissection in a sample of 31 human body donors, with a mean age at death of 77.2 ± 13.2 years (range, 47-93) of which n=29 (93.5%) were of Caucasian and n=2 (6.5%) of African-American ethnicity and of which n=16 (51.6%) were females (n=15 males; 48.4%).

Results: Horizontal forehead lines were classified into straight n=13 (41.9%) and wavy n=18 (58.1%) lines. The presence of wavy forehead lines (as compared to straight lines) was significantly related to the presence of a midline aponeurosis (r = 0.69; P less than 0.001) and to a greater muscle fascicle angle (12.67 ± 2.60° vs 10.18 ± 2.12°) (r = 0.47; P less than 0.001), but was not statistical significantly influenced by age, gender, or ethnicity (all P greater than 0.05).

Conclusion: According to the shape of the forehead lines, physicians can appreciate the morphology of the underlying frontalis muscle. This understanding will facilitate more accurate neuromodulator injections and a better aesthetic outcome. It may also result in decreased dosages and increased injection intervals for maximal patient safety. LEVEL OF EVIDENCE: IV

J Drugs Dermatol. 2017;16(5):471-477.

.


Assuntos
Músculos Faciais/anatomia & histologia , Músculos Faciais/patologia , Testa/anatomia & histologia , Testa/patologia , Envelhecimento da Pele/patologia , Idoso , Idoso de 80 Anos ou mais , Compreensão , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
11.
Eur Arch Otorhinolaryngol ; 273(3): 755-60, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-25721198

RESUMO

Electroneurography (ENoG) is one of the most objective tests in grading the damage and prediction of prognosis in peripheral facial palsy (PFP). We aimed to determine temporal changes of ENoG recorded over occipitalis muscle in acute idiopathic PFP. Consecutive 21 patients with unilateral acute idiopathic PFP and age- and sex-matched 15 healthy volunteers were included in the study. Nasal and occipital ENoG values were recorded once in the control group and the same procedure was repeated daily between the second and eight days of the disorder in the PFP group. Occipital ENoG value began to increase on the third day while nasal ENoG value was still within the normal range (27.04 vs 7.69 %, p = 0.0001). In the fourth, fifth and sixth days, occipital ENoG value was significantly high compared to nasal ENoG value (p = 0.0001 for each day) whereas nasal and occipital ENoG values were very similar in the seventh and eighth days (p = 0.181 and p = 0.584, respectively). Our study presents further support for technical possibility of occipital ENoG which may reflect the degree of fiber degeneration earlier than the nasalis muscle in PFP.


Assuntos
Paralisia de Bell , Eletrodiagnóstico/métodos , Músculos Faciais , Adulto , Paralisia de Bell/diagnóstico , Paralisia de Bell/fisiopatologia , Fenômenos Eletrofisiológicos , Músculos Faciais/inervação , Músculos Faciais/patologia , Músculos Faciais/fisiopatologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Prospectivos , Reprodutibilidade dos Testes
12.
Med Probl Perform Art ; 31(2): 69-77, 2016 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-27281377

RESUMO

OBJECTIVE: Motor control of the muscles of the face, lips, and tongue of horn players has traditionally been described from externally observed phenomena. Developments in real-time, high-speed magnetic resonance imaging (MRI) extend the scope of study to include descriptive and quantitative information from within the mouth. We employed these developments to compare oral movement strategies between 12 elite horn players and 5 horn players with embouchure dystonia (ED). METHODS: Serial images with an acquisition time of 33.3 ms were obtained from each subject as they performed 6 exercises on an MRI-compatible horn: 1) a slurred ascending harmonic sequence, 2) a slurred descending harmonic sequence, 3-6) sustained high and low notes, each performed softly and loudly. Temporal changes in pixel luminescence along a series of lines positioned within the oral cavity were calculated using a customized MATLAB toolkit. This allowed the extraction of temporal line profiles for comparative analyses between elite and dystonic horn players. RESULTS: Differing motor strategies of controlling the tongue and jaw were observed during ascending and descending exercises. In ascending exercises, the elite players employed a strategy of elevation and anterior tongue displacement and elevation of the jaw, whereas dystonic players exhibited more variability in their responses. With descending exercises, both groups exhibited a lowering of the tongue and jaw, though this was more pronounced and consistent in the elite horn players. Sustained note exercises also elicited differences between groups. We suggest that elite strategies are more efficient and that the less-efficient patterns of dystonic players may exacerbate muscular tension with ED.


Assuntos
Distonia/patologia , Músculos Faciais/patologia , Música , Doenças Profissionais/patologia , Adulto , Distonia/fisiopatologia , Músculos Faciais/fisiopatologia , Humanos , Lábio/fisiopatologia , Imageamento por Ressonância Magnética/métodos , Masculino , Exame Neurológico/métodos , Doenças Profissionais/fisiopatologia , Limiar Sensorial/fisiologia , Adulto Jovem
13.
Headache ; 55(10): 1461-3, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26473329

RESUMO

BACKGROUND: Over the last decade surgical treatments for migraine involving proposed trigger sites have been described and popularized by plastic surgeons in particular. Various related techniques aim to free up "trigger sites" by removal of small facial muscles or "decompressing" small facial nerves. DISCUSSION: The basis for migraine trigger site surgery is without merit. There is one positive placebo controlled study with many limitations. Natural history and placebo mechanisms explain the outcomes from migraine surgery. The American Headache Society recommends that the migraine surgery not be performed outside of a clinical trial. CONCLUSION: Migraine trigger site surgery should not be performed.


Assuntos
Transtornos de Enxaqueca/diagnóstico , Transtornos de Enxaqueca/cirurgia , Procedimentos Neurocirúrgicos/métodos , Descompressão Cirúrgica/métodos , Músculos Faciais/patologia , Músculos Faciais/cirurgia , Humanos , Efeito Placebo , Fatores Desencadeantes
15.
Sensors (Basel) ; 15(10): 25416-32, 2015 Oct 01.
Artigo em Inglês | MEDLINE | ID: mdl-26437416

RESUMO

The protection of sensitive structures (e.g., nerves) from iatrogenic damage is of major importance when performing laser surgical procedures. Especially in the head and neck area both function and esthetics can be affected to a great extent. Despite its many benefits, the surgical utilization of a laser is therefore still limited to superficial tissue ablation. A remote feedback system which guides the laser in a tissue-specific way would provide a remedy. In this context, it has been shown that nerval structures can be specifically recognized by their optical diffuse reflectance spectra both before and after laser ablation. However, for a translation of these findings to the actual laser ablation process, a nerve protection within the laser pulse is of utmost significance. Thus, it was the aim of the study to evaluate, if the process of Er:YAG laser surgery--which comes with spray water cooling, angulation of the probe (60°) and optical process emissions--interferes with optical tissue differentiation. For the first time, no stable conditions but the ongoing process of laser tissue ablation was examined. Therefore, six different tissue types (nerve, skin, muscle, fat, cortical and cancellous bone) were acquired from 15 pig heads. Measurements were performed during Er:YAG laser ablation. Diffuse reflectance spectra (4500, wavelength range: 350-650 nm) where acquired. Principal component analysis (PCA) and quadratic discriminant analysis (QDA) were calculated for classification purposes. The clinical highly relevant differentiation between nerve and bone was performed correctly with an AUC of 95.3% (cortial bone) respectively 92.4% (cancellous bone). The identification of nerve tissue against the biological very similar fat tissue yielded good results with an AUC value of 83.4% (sensitivity: 72.3%, specificity: of 82.3%). This clearly demonstrates that nerve identification by diffuse reflectance spectroscopy works reliably in the ongoing process of laser ablation in spite of the laser beam, spray water cooling and the tissue alterations entailed by tissue laser ablation. This is an essential step towards a clinical utilization.


Assuntos
Tecido Conjuntivo/inervação , Nervo Facial/patologia , Nervo Facial/cirurgia , Terapia a Laser , Animais , Tecido Conjuntivo/patologia , Tecido Conjuntivo/cirurgia , Ossos Faciais/inervação , Ossos Faciais/patologia , Músculos Faciais/inervação , Músculos Faciais/patologia , Músculos Faciais/cirurgia , Terapia a Laser/efeitos adversos , Terapia a Laser/instrumentação , Terapia a Laser/métodos , Lasers de Estado Sólido , Fenômenos Ópticos , Procedimentos Cirúrgicos Bucais/efeitos adversos , Procedimentos Cirúrgicos Bucais/métodos , Sensibilidade e Especificidade , Pele/inervação , Pele/patologia , Suínos
16.
Arch Med Sadowej Kryminol ; 65(3): 133-44, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-27003864

RESUMO

AIM OF THE STUDY: Assessment of the usefulness of intravital lesions in the proximal attachment of the sternocleidomastoid muscle and the mastoid process of the temporal bone in medico-legal evaluation of death by hanging. MATERIAL AND METHODS: The study material was obtained from the bodies of 35 people who died by hanging. The control group comprised specimens collected from 30 people who died of non-traumatic causes. The structures under study were examined macro- and microscopically. The basic change which could be recognized as a marker of intravitality of hanging was the presence of a macroscopically extensive blotchy area of abundant ecchymosis in the proximal muscle attachment, similar to that found in the distal attachment, and the presence of abundant diffuse intraosseous ecchymoses in the mastoid process. RESULTS: None of the cases revealed any ecchymoses in the proximal attachment of the muscle that would be similar to those present in the distal attachment. Discolourations within the mastoid processes, macroscopically suggestive of extensive intraosseous effusions arising from the mechanism of stretching, were not confirmed by microscopic evaluation and occurred at the same frequency as in the control group. Limitations of the study were related to the method which involved sample collection by means of bone chisels, decalcification and preparation of specimens, which had an effect, for example, on the measurable evaluation of the degree of congestion. CONCLUSIONS: The study has failed to provide convincing and unambiguous data on the usefulness of examining mastoid processes and proximal attachments of the sternocleidomastoid muscles during autopsy to determine the presence of intravitality features of hanging. A description of research methodology and its associated difficulties, e.g. with the interpretation of results, can also be useful for the planning of similar studies by other researchers.


Assuntos
Asfixia/patologia , Traumatismos Faciais/sangue , Músculos Faciais/patologia , Lesões do Pescoço/patologia , Músculos do Pescoço/patologia , Suicídio , Patologia Legal , Fraturas Ósseas/patologia , Humanos , Osso Hioide/patologia , Processo Mastoide/patologia
17.
J Drugs Dermatol ; 13(9): 1067-72, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-25226007

RESUMO

BACKGROUND: A quantitative numerical method for assessing the extent and duration of the inhibitory action of botulinum neurotoxin type A on mimetic muscles would potentially enable more detailed evaluation of the overall efficacy of this aesthetic treatment. AIM: To evaluate skin displacement analysis (SDA) as a tool for assessment of the extent and duration of effect of incobotulinumtoxinA on mimetic muscles in the glabellar region in routine daily practice. METHODS: A total dose of 30 U incobotulinumtoxinA was injected into the fronto-glabellar region of 16 subjects. SDA was performed at baseline and during onset and recovery from incobotulinumtoxinA treatment at various timepoints up to 24 weeks after treatment. The reference point for SDA was located at the upper margin of the eyebrow, 30 mm lateral to the median line. To correlate and validate SDA results, semi-quantitative wrinkle score assessments were performed in parallel. RESULTS: At baseline, the mean horizontal skin displacement was 5.4 mm (standard deviation: ± 1.4 mm). During onset of action after treatment, skin displacement values decreased from baseline (100%) by 46%, 85%, and 90% at day 2, week 1, and week 2, respectively. During recovery from incobotulinumtoxinA action, skin displacement values increased to 33%, 50%, and 93% of the baseline value at 6, 12, and 24 weeks after treatment, respectively. The inhibitory effect of incobotulinumtoxinA was highly variable among subjects, ranging from 25% to 68% of the baseline value 12 weeks after treatment. Overall agreement between SDA values and wrinkle scores was good. CONCLUSION: SDA represents a novel, objective method for the quantitative evaluation of the effect of incobotulinumtoxinA on mimetic muscles underlying the fronto-glabellar region, and showed good correlation with wrinkle score assessments. Both SDA and wrinkle score indicated the persistence of treatment effects 24 weeks after injection.


Assuntos
Toxinas Botulínicas Tipo A/administração & dosagem , Músculos Faciais/efeitos dos fármacos , Testa , Fármacos Neuromusculares/administração & dosagem , Envelhecimento da Pele/efeitos dos fármacos , Adulto , Músculos Faciais/patologia , Feminino , Seguimentos , Testa/patologia , Humanos , Masculino , Pessoa de Meia-Idade , Envelhecimento da Pele/patologia , Fatores de Tempo , Resultado do Tratamento , Adulto Jovem
18.
J Oral Maxillofac Surg ; 72(4): 817-22, 2014 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-24342574

RESUMO

Alveolar soft part sarcoma (ASPS) is a rare, histologically distinct, soft tissue malignancy with nonspecific clinical features usually described as a nonulcerated, painless, expanding mass. It has a pseudoalveolar appearance with clustered polygonal cells lacking central cohesion. It accounts for approximately 0.5 to 1% of all soft tissue sarcomas. It has a strong predilection for adolescents and young adults 15 to 35 years old, with a female predominance. In general, ASPS grows slowly, with a predilection for the trunk and extremities and rarely in the head and neck region. A literature review found only 11 cases of cheek ASPS that have been reported since 1952. This report describes the case of an unusually rapidly growing mass in the cheek of a 36-year-old woman. The superficial location of the mass led to early detection and treatment.


Assuntos
Bochecha/patologia , Neoplasias Bucais/diagnóstico , Sarcoma Alveolar de Partes Moles/diagnóstico , Adulto , Diagnóstico Diferencial , Músculos Faciais/patologia , Feminino , Seguimentos , Retalhos de Tecido Biológico , Humanos , Neoplasias Labiais/patologia , Músculo Masseter/patologia , Mucosa Bucal/patologia , Neoplasias Musculares/patologia , Invasividade Neoplásica , Radioterapia Adjuvante , Procedimentos de Cirurgia Plástica/métodos
19.
Ann Plast Surg ; 73(2): 131-6, 2014 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23407255

RESUMO

BACKGROUND: For Asians, prominent zygomatic region is a sign of masculinity; therefore, reduction malarplasty is becoming more and more popular in Asian women. OBJECTIVE: The purpose of this study is to analyze the biomechanical changes of zygomaticus and masseter, and to explore the underlying causes of relevant complications using the 3 popular techniques of reduction malarplasty. METHODS: From May 2000 to August 2009, 259 female patients underwent traditional osteotomy through coronary incision, malomaxillary suture with L-shaped osteotomy through intraoral approach, and the modified X.M.'s technique. The mechanical and anatomical causes of the relevant complications such as facial asymmetry caused by detachment of zygomaticus and masseter, facial sagging, and downward movement of malar point in 3 surgical procedures were analyzed and compared postoperatively among the 3 procedures. RESULTS: In the traditional osteotomy through coronary incision, the inside cheek fat pad moved interoinferiorly because the greater and lesser zygomatic muscles were stripped from the attachment points, whereas masseter was relatively less stripped from its attachment point, which affects mechanical direction and contraction strength less, which possibly leads to the downward movement of the fractured extremity of zygomatic bone. In the L-shaped osteotomy, the zygomatic arch slided interoinferiorly because of the operative design, and masseter's strong extroinferior traction often caused fixation loosening between the former and latter bone margin. As a result, the fractured zygomatic bone moved downward along with zygomaticus, masseter, and fat pad. In the modified X.M.'s technique, complications were relatively fewer, which may be related to less injury to the fixation system of zygomatic bone and less biomechanical changes in masseter and zygomatic muscles. CONCLUSIONS: Surgeons should base their choice of reduction malarplasty not only on thoroughness of the operation but also on biomechanical changes in the zygomatic region and patients' individual conditions.


Assuntos
Povo Asiático , Técnicas Cosméticas , Músculos Faciais , Músculo Masseter , Osteotomia/métodos , Zigoma/cirurgia , Adulto , Fenômenos Biomecânicos , Assimetria Facial/diagnóstico , Assimetria Facial/etiologia , Músculos Faciais/patologia , Músculos Faciais/fisiopatologia , Feminino , Humanos , Músculo Masseter/patologia , Músculo Masseter/fisiopatologia , Pessoa de Meia-Idade , Avaliação de Resultados da Assistência ao Paciente , Complicações Pós-Operatórias/diagnóstico , Complicações Pós-Operatórias/etiologia , Estudos Retrospectivos
20.
J Craniofac Surg ; 25(2): 348-51, 2014 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-24514885

RESUMO

PURPOSE: The objectives of this study were to evaluate the factors that contribute to aging in the lower eyelids and periorbital changes in Asians and to analyze the contribution of different anatomic factors before surgery. METHODS: We analyzed photographs and examination findings of 108 patients older than 80 years who had consultations for lower eyelid blepharoplasty. Structural changes were categorized to 7 anatomical categories, and each category was scored from 0 to 3 based on severity. The total point for each category for all patients was divided by the 456 total possible points and was considered a cumulative contribution score for that category. "A uniqueness score" for each patient was calculated as the maximum score in 1 category divided by the patient's total score to reflect the percentage contribution of the patient's most severe anatomic problem. RESULTS: A total of 108 cases (51 male and 57 female patients) were evaluated. The mean age was 57 ± 11 years (age range, 30-75 years). The cumulative contribution score for each category was as follows: orbital fat prolapse 33.8 (medial 15.3, central 11.7, lateral 6.8), skin laxity 22.3%, periorbital hollow 20.8 (tear trough 15.5, lateral orbital rim 5.3), septal confluence 9.5, orbicularis oculi muscle hypertrophy 3.6, triangular malar mound 3.4, and eyelid fluid 0.5. The average uniqueness score was 40.1%, and skin laxity and orbital fat prolapse had the highest average uniqueness score, but no single category played a dominant role in most patients. Medial orbital fat prolapse and skin laxity had the highest proportion of grade 3 scores of 9.5% and 6.7%, respectively. When the patients were grouped according to age, either younger than 50 years or older than 50 years, there was a prominent difference in orbital fat prolapse and skin laxity between the 2 groups. CONCLUSIONS: Various anatomic factors were related to periorbital changes in Asian patients. Understanding of the complex factors that contribute to periorbital changes during the aging process may allow for adequate and customized surgery for each patient and help in prevention of postoperative complications.


Assuntos
Envelhecimento/patologia , Povo Asiático , Blefaroplastia/métodos , Pálpebras/patologia , Tecido Adiposo/patologia , Adulto , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Doenças Palpebrais/patologia , Doenças Palpebrais/cirurgia , Pálpebras/cirurgia , Músculos Faciais/patologia , Feminino , Humanos , Hipertrofia , Masculino , Pessoa de Meia-Idade , Órbita/patologia , Fotografação , Prolapso , Envelhecimento da Pele/patologia , Gordura Subcutânea/patologia , Zigoma/patologia
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