A hemangioma of the sigmoid colon mesentery presenting as a retroperitonealtumor: a case report and review. Oral and intravenous contrast-enhanced computed tomography (CT) scans. (A) Transverse and (B) sagittal imagesshowing a large abdominal tumorous mass. A hemangioma
of the sigmoid colon mesentery presenting as a retroperitonealtumor: a case report and review. Oral and intravenous contrast-enhanced computed tomography (CT) scans. (A) Transverse and (B) sagittal imagesshowing a large abdominal tumorous mass.