Benign Chondroblastoma of Patella

ABSTRACT Chondroblastoma is a rare tumor, representing only 1- 3 % of all primary bone tumors,with Local pain and swelling lasting for several months as the most important symptoms. Patella is an uncommon site for Chondroblastoma. Highlighting a case of a 21 year male presenting with pain in the right knee and inability to walk after trivial trauma. He had pain and mild swelling in the anterior aspect of the right knee for one year. The purpose is to present a rare tumor at an unusual site which is generally treated with patellectomy, managed in this case with curettage and bone grafting, with complete cure post operatively with one year follow up showing no signs of recurrence