Magnetic Resonance Imaging for Rectal Submucosal Tumours
BTY Yuen, EHY Hung, CCM Cho, SSF Hon, AWH Chan, HHL Chau
Hong Kong J Radiol 2017;20:272-81
DOI: 10.12809/hkjr1716935
A rectal submucosal tumour is defined as a mass-like protrusion in the rectum covered by normal mucosa. It comprises a variety of benign and malignant tumours that originate from the rectal wall or outside the rectum. Full characterisation by endoscopy or endoscopic biopsy is often difficult due to its deep location. Magnetic resonance imaging (MRI) can provide information about the origin, internal composition, and local extent of the tumour. Radiologists should be familiar with the types and MRI features of rectal submucosal tumours to facilitate accurate diagnosis and guide management.
Authors’ affiliations:
BTY Yuen1, EHY Hung1, CCM Cho1, SSF Hon2, AWH Chan3, HHL Chau1
1Department of Imaging and Interventional Radiology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
2Division of Colorectal Surgery, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
3Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
中文摘要
直腸粘膜下腫瘤的磁共振成像
袁子祐、洪曉義、曹子文、韓溯飛、陳永鴻、周海倫
直腸黏膜下腫瘤的定義為由正常粘膜覆蓋的直腸質塊狀突起，其包含源自直腸壁或直腸外的各種良性和惡性腫瘤。由於其位置較深，通過內窺鏡檢查或內窺鏡活檢進行全面特徵描述通常是困難的。磁共振成像（MRI）能提供關於病變的起源、內部組成和局部範圍的信息。放射科醫師應熟悉直腸粘膜下腫瘤的類型和MRI特徵，以便進行準確的診斷和指導治療。