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Chondromas and osteochondromas are common benign bone tumors frequently located in the small bones of hands and feet. Extraskeletal chondromas are much rarer and are exceptional if their size exceeds 3 cm.
We report an exceptional case of a giant extraskeletal chondroma of the foot in a 71-year-old man who presented to our outpatient department with a huge mass of the dorsal side of the right foot.
The clinical aspect and the magnetic resonance imaging where suggestive of giant cell tumor of tendon sheath. After a wide surgical excision was performed, the pre-operative findings and histological study suggested otherwise.
Through this case report we discuss the diagnosis issues and the treatment options of extraskeletal chondromas.