Figure 1

A 43-year-old male patient with clear cell sarcoma on dorsum of wrist. Clear cell sarcoma on dorsum of wrist. (A) A 43-year-old man with a 2-year history of a slow-growing mass on the dorsum of the left hand was shown. (B) MRI of the tumor was highly inhomogeneous on T2-weighted images, which was located beneath the extensor tendons and was attached to the carpal and metacarpal bones. (C, D) The tumor was resected including the carpal and metacarpal bones and extensor tendons. The resected tissues were trimmed and irradiated with 50 Gy one fraction.