J Korean Soc Radiol.  2022 Mar;83(2):406-413. 10.3348/jksr.2021.0065.

Malignant Tenosynovial Giant Cell Tumor Presenting as an Extra-Articular Superficial Soft-Tissue Mass in a Knee

Affiliations
  • 1Pusan National University School of Medicine, Busan, Korea
  • 2Department of Radiology, Pusan National University Hospital, Biomedical Research Institute, Busan, Korea
  • 3Department of Orthopedic Surgery, Pusan National University Hospital, Busan, Korea
  • 4Department of Pathology, Pusan National University Hospital, Busan, Korea

Abstract

Malignant tenosynovial giant cell tumor (TsGCT) is a rare disease that can arise as a recurrent lesion or co-exist with a benign TsGCT lesion. Here we report a rare case of malignant TsGCT in a 73-year-old male with a history of lymphoma. The tumor appeared as a superficial soft-tissue mass in the subcutaneous fat tissue of the left knee.

Keyword

Giant Cell; Tumor; Knee
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