pseudosarcomatous fibroblastic proliferation

Pseudosarcomatous fibroblastic proliferation (PSFP) is a quite common lesion found in various locations in- cluding soft tissue, bone and other organs and often raises a difficult differential diagnosis with malignancy. However, PSFP has not been described in tissue related to bursitis. We report a case of 31-year-old male who developed a cystic...