Solitary Fibrous Tumor

Solitary fibrous tumor is an uncommon tumor that may arise on the surface of the pleura.

It is extremely rare in bone

This tumor is thought to arise from mesenchyme. It may occur in a variety of places, including brain, soft tissue, periosteom, liver, kidney, the orbit, and the nasopharynx.

Some images of a recent case where the tumor has grown extensively into the tibia of an adult are posted here.

This patient had removal of a soft tissue mass and currettage of a bone lesion approximately 4 or 5 years ago. The lesion may be a solitary fibrous tumor. The patient had increasing pain and the lesion was noted to have recurred. A new incisional biopsy was performed, and the tissue submitted for additional studies and review by the pathologist who saw the material after the first surgery.

Extrapleural solitary fibrous tumors may arise in a variety of locations, including head and neck, abdomen, extremities, and bone. The tumor may have an indolent couse, and complete surgical resection would be expected to be curative.

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