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Medicina Oral, Patología Oral y Cirugía Bucal (Internet)

versión On-line ISSN 1698-6946


VAZQUEZ MAHIA, Inés; LOPEZ-CEDRUN CEMBRANOS, José Luis; FERRERAS GRANADO, José  y  LORENZO FRANCO, Fernanda. Temporomandibular juxtaarticular chondroma: case report. Med. oral patol. oral cir.bucal (Internet) [online]. 2007, vol.12, n.2, pp.171-174. ISSN 1698-6946.

Chondromas are benign tumours composed of mature hyaline cartilage. We present here the first case in the English language medical literature of juxtaarticular chondroma of the temporomandibular joint in the parotid region. Within the rarity of cartilage disorders of the temporo-mandibular joint (TMJ), this particular condition is a diagnostic curiosity. The patient, a 54 year old woman, presented a right preauricular tumour of 3.5 cm. which had been developing for 4 years. It was not painful but there was a recent symptomology of TMJ dysfunction, with pain and clicks. The diagnostic possibilities of a parotid pleomorphic adenoma and of a cartilage tumour of the TMJ suggested a difficult preoperative differential diagnosis, which influenced our approach regarding therapy. The tumour was excised, preserving the parotid gland. This enabled us to confirm the histological diagnosis of chondroma, composed solely of chondroide tissue. We have described the clinical characteristics of our case, and carried out a review of the relevant literature, emphasising the differential diagnoses.

Palabras clave : Juxtaarticualar chondroma; TMJ; parotid tumour.

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