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Acta Otorhinolaryngol Ital ; 35(3): 208-11, 2015 Jun.
Article in English | MEDLINE | ID: mdl-26246667

ABSTRACT

Chondrosarcoma is a malignant mesenchymal tumour of cartilaginous origin. It represents 11% of all malignant primary bone tumours, and the pelvis, ribs, femur and humerus are most frequently involved. Chondrosarcoma of the head and neck region is a rare disease, and represents approximately 0.1% of all head and neck neoplasms. This report describes a rare localisation of chondrosarcoma in a 56-year-old man who presented with swelling in the right preauricular area and mild limitation and pain in the mouth opening. Since 1959, just a few cases of temporomandibular joint (TMJ) chondrosarcoma have been described. Computed tomography revealed a large mass (39 x 46 x 40 mm) in the right preauricular and parotid region with morpho-structural alterations of the condyle and an intense periostotic reaction. The tumour was treated by total parotidectomy and condylotomy. The VII cranial nerve was preserved. Histopathologic examination revealed a low grade chondrosarcoma with a 50% proliferation index. At present, the patient is still receiving routine follow-up after radiotherapy and physiotherapy.


Subject(s)
Chondrosarcoma , Joint Diseases , Temporomandibular Joint , Chondrosarcoma/diagnosis , Chondrosarcoma/surgery , Humans , Joint Diseases/diagnosis , Joint Diseases/surgery , Male , Middle Aged
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