TY - EJOU AU - Chew, Ben H. AU - Knudsen, Bodo E. AU - Moussa, Madeleine AU - Pautler, Stephen E. TI - A retroperitoneal gastrointestinal schwannoma presenting as a perinephric mass T2 - Canadian Journal of Urology PY - 2005 VL - 12 IS - 1 SN - 1488-5581 AB - There are less than 100 cases of retroperitoneal schwannoma reported in the world literature. These are differentiated from gastrointestinal schwannomas found in the gastrointestinal tract. A case of a rare retroperitoneal gastrointestinal schwannoma presenting as a perinephric tumor is described. Treatment of such masses is local excision and final diagnosis is from histopathology. KW - schwannoma KW - retroperitoneal tumor DO -