Objectives: With its other counterparts like myofibroma, angioleiomyoma and glomus tumor, myopericytoma is a benign subtype of pericytic tumors and only 4 cases are involved in kidney in literature. Methods: Standard pathological examination (including macroscopical and histopathological analysis) and immunohistochemistry of sections were performed. Results: We described a 19-year-old woman, wh...

Myopericytoma are uncommon, slow-growing benign perivascular neoplasms that show hemangiopericytoma-like vascular pattern. We report a 52-year-male patient with a painless palpable nodule in the left thumb for the past 9 months. The mass, on the thenar aspect, was 15x12mm in size. X-ray revealed a soft tissue swelling with no bony association. The excised nodule was a non-capsulated, well-circu...

Spectrum of Fibroblastic and Myofibroblastic Tumors When one considers soft tissue tumors in pediatrics, tumors of vascular (29%), neurogenic (15%), and myogenic (striated muscle, 14%) origin occur more often than fibroblastic-myofibroblastic tumors (12%). The spectrum of fibroblastic/myofibroblastic tumors is quite divergent from both clinical and histopathologic viewpoints (Table 1). These tu...

To the Editor: Myointimoma is a benign tumor that was first described by Fetsch et al1 in the year 2000. It is considered to be a rare tumor arising from the intima of the vessels of the corpora cavernosa of the penis, and has been included as a specific entity among the genitourinary tumors in the latest review by the World Health Organization in 2006. In our review of the literature using the...

s are listed in presentation order, beginning with Platform Presentations. 1 TLE1 Immunohistochemistry for Diagnosis of Pediatric Synovial Sarcomas AF Lee, CH Lee, LM Sullivan, O Popescu. University of British Columbia, Vancouver General Hospital, and Children's and Women's Hospital of British Columbia, Vancouver, BC; The Children's Hospital of Philadelphia, Philadelphia, PA Background: Synovia...