J Korean Knee Soc.  2006 Jun;18(1):112-115.

Fibrous Histiocytoma in the Knee Joint : Report of 1 Case

• Kim SK
• Choi CH
• Lee HH

Abstract

Benign fibrous histiocytoma (also called giant cell tumor of tendon sheath) is well known but uncommon benign lesion usually occurring in hand and feet of middle age. We present a case of huge fibrous histiocytoma of the knee joint in a 41 years old woman. The patient have a sign of slight extension limitation and a swelling on the lateral side of the knee joint. The oval shape lesion was originating from the anterior joint capsule of the knee and protruding into the femoral intercondylar notch and lateral compartment. The mass was removed through mini-arthrotomy. Histologic study revealed a fibrohistiocytic tumor, composed of spindle cell, giant cell and foamy histiocyte.

Keyword

Fibrous histiocytoma; Knee joint

MeSH Terms

Adult
Female
Foot
Giant Cell Tumors
Giant Cells
Hand
Histiocytes
Histiocytoma, Benign Fibrous*
Humans
Joint Capsule
Knee Joint*
Knee*
Middle Aged
Tendons