Ewing sarcoma of Hoffa fat pad in the knee: a case report and review of the literature on primary intraarticular sarcomas and Hoffa fat pad masses.

Kumar, Rajendra; Warmke, Laura M; Wong, Wei-Li · Skeletal Radiol · 2023

case_report · Level V

Where this comes from

Abstract

Primary intraarticular sarcomas are rare. We describe a unique case of intraarticular Ewing sarcoma arising in Hoffa fat pad of knee in a woman. The patient was treated successfully with chemotherapy and left knee arthroplasty; however, the tumor recurred after 3 years.We review the literature on primary intraarticular sarcomas and Hoffa fat pad masses in the knee.

Medical subject headings

Anatomy