CASE 77: Undifferentiated pleomorphic sarcoma located in the knee

A patient presented with swelling in the knee area. Clinical examination and radiological investigations revealed a soft tissue tumor. Needle biopsy showed a soft tissue sarcoma.

Preoperative: The knee presents with an irregular, heterogeneous soft tissue mass located superolaterally, accompanied by surrounding edema.

During Surgery: The clinical appearance of the tumor before removal and the resulting cavity after removal are shown.

Surgical Intervention: Clinical view of the tumor removed along with the skin covering it.

Surgical Procedure: The video shows the harvesting of the gastrocnemius flap, its passage under the fibular nerve, and its placement into the cavity.

Surgical Procedure: The image shows the suturing of the gastrocnemius muscle flap and the placement of a skin graft over it.