T E Herman1, G D Shackelford. 1. Mallinckrodt Institute of Radiology, St. Louis Children's Hospital, Washington University School of Medicine, MO 63110, USA.
Abstract
OBJECTIVE: To assess CT findings of pyourachus. MATERIALS AND METHODS: Computed tomography of two patients with surgically proven pyourachus was reviewed. RESULTS: The CT characteristics of pyourachus include (a) midline location deep to the rectus abdominis muscle; (b) conical shape extending from a tip at the umbilicus to a base over the bladder dome; (c) peripheral inflammatory changes in subcutaneous tissues, rectus abdominis muscle, and mesenteric fat; and (d) intraperitoneal fluid or abscess (if perforation has occurred). CONCLUSION: Abdominal CT demonstrates characteristic findings in pyourachus that should allow differentiation from other abdominal-pelvic masses.
OBJECTIVE: To assess CT findings of pyourachus. MATERIALS AND METHODS: Computed tomography of two patients with surgically proven pyourachus was reviewed. RESULTS: The CT characteristics of pyourachus include (a) midline location deep to the rectus abdominis muscle; (b) conical shape extending from a tip at the umbilicus to a base over the bladder dome; (c) peripheral inflammatory changes in subcutaneous tissues, rectus abdominis muscle, and mesenteric fat; and (d) intraperitoneal fluid or abscess (if perforation has occurred). CONCLUSION: Abdominal CT demonstrates characteristic findings in pyourachus that should allow differentiation from other abdominal-pelvic masses.
Authors: Sandra L Wootton-Gorges; Kristen B Thomas; Roger K Harned; Sarah R Wu; Rebecca Stein-Wexler; John D Strain Journal: Pediatr Radiol Date: 2005-09-09