“…It was first described by Albert Hoffa in 1904, as a 1,3,7 Less than 100 cases have been reported so far mostly as case reports. 2 The exact etiology is unclear but association with trauma resulting in a reactionary inflammation and synovial hyperplasia has been proposed. 1,3 Moreover, association with inflammatory joint diseases like osteoarthritis, rheumatoid arthritis, psoriasis and uveitis has been reported in the literature.…”