title: Inflammatory myofibroblastic tumor of renal pelvis presenting with prolonged fever and abdominal pain in children: report of 1 case and review of literature.
abstract: Inflammatory myofibroblastic tumor is a reactive proliferative lesion that occurs extremely rarely in the renal pelvis, especially during childhood. We report 1 such case that occurred in a child who presented with prolonged fever and abdominal pain. Ultrasonography and abdominal computed tomography revealed a left renal pelvic mass. She received conservative surgical treatment. The diagnosis was confirmed by pathological and immunohistochemical studies. Distinguishing inflammatory myofibroblastic tumor from other malignant renal pelvic tumors in children is essential to preventing unnecessary nephrectomy.
authors.affiliation: Department of Pediatrics, Chang Gung Memorial Hospital, Kwei-Shan 333, Taoyuan, Taiwan. kirsten@adm.cgmh.org.tw
authors.forename: Pei-Hsuan
authors.initials: PH
authors.lastname: Ho
authors.forename: Shih-Yen
authors.initials: SY
authors.lastname: Chen
authors.forename: Chuen
authors.initials: C
authors.lastname: Hsueh
authors.forename: Ming-Wei
authors.initials: MW
authors.lastname: Lai
authors.forename: Hsun-Chin
authors.initials: HC
authors.lastname: Chao
authors.forename: Pei-Yeh
authors.initials: PY
authors.lastname: Chang
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D002675:Child, Preschool; D005260:Female; D005334:Fever / Q000209:etiology*; D005350:Fibroma / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D007249:Inflammation; D007680:Kidney Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D010388:Pelvis / Q000473:pathology