Rearthroscopy of the temporomandibular joint: A retrospective study of 600 arthroscopies.

PURPOSE: Arthroscopic surgery is an effective treatment for patients with temporomandibular disorders, releasing symptoms and restoring the mandibular function. In patients with poor arthroscopic outcomes, several options of treatment can be considered such as conservative nonsurgical therapy, open surgery, or a second arthroscopy. The purpose of this study was to evaluate our results after 619 arthroscopies. MATERIALS AND METHODS: The clinical data of 619 arthroscopies performed between 1996 and 2015 were reviewed retrospectively. Outcome assessments were based on reductions in pain, measured using a visual analog scale (VAS), and improvement in maximal interincisal opening (MIO). The minimum follow-up period was 24 months. RESULTS: The incidence of TMJ reoperation in the 371 patients who underwent arthroscopic surgery was 5.9%, with a mean time between surgeries of 66.73 months. Significant improvement between presurgical and postsurgical pain and presurgical and postsurgical MIO at months 6 and 12 were evident. The mean of preoperative MIO was 30.84 mm, which increased to 35.92 mm 1-year postsurgery, these results being statistically significant (p < 0.05). CONCLUSIONS: In most of the cases the result of a new arthroscopy is satisfactory. Rearthroscopy of the TMJ is a valid and effective method for patients with a first unsuccessful arthroscopy.

Chondromalacia as pathological finding in arthroscopy of the temporomandibular joint: A retrospective study.

OBJECTIVE: The objective of this study was to describe the arthroscopic findings of chondromalacia and its relation with the internal derangement of the temporomandibular joint (TMJ). PATIENTS AND METHODS: A total of 161 patients (299 TMJs) who underwent arthroscopy were included in the study. The TMJs were evaluated objectively under arthroscopic vision, and 4 groups of patients were established according to the degree of involvement, degree I, II, III and IV. Statistical analyses were conducted using logistic regression models (P < 0.05). RESULTS: It was observed that 95 patients (59%) had no sign of chondromalacia and 66 (41%) in 88 joints exhibited some degree of chondromalacia (44 patients unilaterally and 22 bilaterally). Of the 88 joints with chondromalacia, 14 (15.9%) had chondromalacia degree I, 12 (13.6%) chondromalacia degree II, 20 (22.7%) chondromalacia degree III and 42 (47.7%) chondromalacia degree IV. The chondromalacia was more significantly found in patients with ADDwR and discal perforation (P < 0.05), even as a common finding in patients without any internal deragement. Chondromalacia degree IV was a significant finding in cases of ADDwoR (P = 0.000619). CONCLUSIONS: Chondromalacia of the TMJ is a common finding in patients with internal derangement even at the early stages.

Linfoma anaplásico de células grandes CD30+ y ALK+ con manifestación oral: revisión de literatura y reporte de caso / Anaplastic large cell lymphoma CD30+ and ALK+ with oral manifestation: review of the literature and case report

Introducción: Los linfomas son neoplasias del sistema linfoide clasificadas en Hodgkin y No-Hodgkin. Los linfomas de cabeza y cuello se originan en tejido linfoide regional, pero también en otros sitios como encía, paladar, etc. Objetivo: Describir el Linfoma Anaplásico de Células Grandes (LACG) como un subgrupo de linfomas No-Hodkin de células T, positivo o negativo para la expresión de las proteínas CD30 y AKL, el cual puede afectar numerosas partes del cuerpo incluyendo la cavidad oral. Se reporta un caso de LACG de células T CD30+ALK+. Diseño: Reporte de caso. Metodología: Se realizó una búsqueda sistemática en PubMed, MEDLINE, EMBASE, LILACS y Ovid. Se seleccionaron los artículos que reportaron casos de Linfoma No-Hodkin de células T con manifestaciones orales, limitándose al idioma Inglés. Reportamos el caso de una paciente de 9 años con LACG de células T, CD30+ALK+ con manifestaciones orales y sistémicas. Resultados: De los artículos obtenidos ninguno reporta casos de LACG de células T CD30+ ALK+ con manifestaciones orales, por la cual no fue posible realizar el análisis sistemático. Discusión: El LACG representa 2-3% de los Linfomas No-Hodkin, se divide en cutáneo primario y sistémico (ALK+/ALK-). El ALK+ también puede afectar sitios extranodales. Los pacientes a menudo presentan síntomas sistémicos, como fiebre y sudoración nocturna. Los casos de LACG sistémico primario ALK+ suelen responder bien a la quimioterapia y tienen mejor pronóstico que los casos ALK-. Conclusiones: El Linfoma anaplásico de células grandes de células T, CD30+ALK+ es una entidad poco frecuente en la cavidad oral.

Introduction: Lymphomas are neoplasms of the lymphoid system, they are classified as Hodgkin and Non-Hodgkin. Head and neck lymphomas are originated in regional lymphoid tissue, but also in other sites such as gums, lips, palate, etc. Objective: To describe the Anaplastic Large Cell Lymphoma (ALCL) as a subgroup of T-cell non-Hodgkin's lymphoma, positive or negative for expression of CD30+ and AKL+proteins, which can affect many parts of the body including tissue of oral cavity. Finally, it is pretended to report a case of ALCL T-cell, CD30+ AKL+. Design: Case report. Materials and methods: A systematic search was performed using electronic databases such as PUBMED, MEDLINE, EMBASE, LILACS and Ovid. Those papers which reported cases of T-cell NHL with oral manifestations were selected for further evaluation. This search was limited to english language. Additionally, the case of an ALCL T-cell, CD30+AKL+ with oral and systemic manifestations in a 9-year-old girl treated at the Fundación Hospital de la Misericordia is reported. Results: Of the articles obtained none report cases of ALCL T-cell, CD30+AKL+ with oral manifestations, so it is not possible to perform a systematic review of them. Discussion: ALCL is classified as primary cutaneous and systemic (ALK + and ALK-). The ALCL represents 2-3% of all NHL. The ALK+ ALCL can also affect extranodal sites. Patients often have systemic symptoms, such as fever and night sweats. Cases of ALK+ primary systemic ALCL usually respond well to chemotherapy and have a better prognosis compared to ALK- cases which have a less favorable prognosis with unpredictable clinical behavior. Conclusions: ALCL T-cell, CD30+AKL+ is an entity with presentation rare in the oral cavity.

Remplazo total de la articulacióntemporomandibular con prótesisaloplásticas estándar / Total replacement of the temporomandibular joint with alloplastic prosthesis stock

Antecedentes: Los trastornos de la articulación temporomandibular (DTM) abarcan ungran número de condiciones clínicas que involucran los músculos de la masticación, laoclusión, la articulación temporomandibular (ATM) y otras estructuras relacionadas, lo queresulta en dolor y disfunción mandibular. Muchos casos de DTM pueden ser manejadoscon tratamiento no quirúrgico; sin embargo, pacientes con daño irreversible de la ATM y enun estadio final de la patología articular necesitan reparación o reconstrucción quirúrgica,procedimiento realizado tradicionalmente con tejidos autógenos, principalmente injertocostocondral. El uso de tejidos autógenos para la reconstrucción de la ATM tiene mayoresdesventajas y un alta tasa de complicaciones. Estas desventajas incluyen morbilidad del sitiodonante y largo tiempo quirúrgico. Las complicaciones comprenden reabsorción del injerto yanquilosis. Las indicaciones para la reconstrucción total de la ATM con prótesis aloplásticasincluyen anquilosis, fractura condilar irreparable, necrosis avascular, reconstrucciones previasfallidas, condiciones inflamatorias y degenerativas, reabsorción condilar idiopática y ciertostrastornos congénitos. Objetivo: Proporcionar al lector una técnica ilustrada para la reconstrucciónaloplástica de la ATM, estableciendo criterios mínimos indispensables para sureconstrucción en situaciones clínicas específicas. Métodos: Guía de práctica clínica basadaen la evidencia científica, con una propuesta de protocolo para la planificación preoperatoria,el manejo quirúrgico y los cuidados postoperatorios en la reconstrucción aloplásticade la ATM con prótesis estándar. Conclusión: Los implantes protésicos estándar para lareconstrucción aloplástica de la ATM proporcionan un método eficaz, seguro, predecible,eficiente y rentable para la reconstrucción en pacientes con patología articular avanzada...

Background: Temporomandibular Joint Disorder (TMD) is a collective term embracing anumber of clinical conditions that involve the masticatory musculature, occlusion, thetemporomandibular joint (TMJ) and other associated structures, resulting in pain andlimitation of mandibular function. Many patients suffering from TMDs can be managedwith non-surgical therapies, but some end-stage TMJ patients require surgical TMJ repairor reconstruction. The most widely used autogenous graft for TMJ reconstruction is thecostochondral graft. The use of autogenous tissue for TMJ reconstruction presents severaldisadvantages and a high rate of complications. These disadvantages include donormorbidity and increased intraoperative surgical time. The complications include graft resorptionand ankylosis. Indications for TMJ total reconstruction with alloplastic prosthesisinclude ankylosis, condylar fracture irreparable, avascular necrosis, failed previous jointreconstruction, inflammatory and degenerative conditions, idiopathic condylar resorptionand certain congenital deformities. Purpose: To provide the practitioner with an illustratedtechnique for alloplastic reconstruction of the TMJ, establishing minimum criteria necessaryfor reconstruction in specific clinical situations. Methods: Evidence-based clinical practiceguidelines, with a proposed protocol for perioperative management, surgical management,and postoperative care in alloplastic reconstruction of the TMJ with prosthesis stock.Conclusion: Stock prosthetic TMJ implants provide a safe, predictable, efficient, and costeffective means for joint reconstruction in patients with advanced joint disease...