Essary Brendan, Kim John, Anupindi Sudha, Katz J Aubrey, Nimkin Katie
Department of Radiology, Massachusetts General Hospital, Boston, MA, USA.
Pediatr Radiol. 2007 Feb;37(2):201-8. doi: 10.1007/s00247-006-0372-2. Epub 2006 Dec 16.
MRI is an important imaging tool in evaluation of adult and pediatric patients with Crohn disease. Pelvic MRI, in particular, has become the method of choice to evaluate for perianal fistulas and associated complications of Crohn disease. MRI can define the extent and location of perianal fistulas and abscesses, as well as provide critical information for operative management. In this pictorial essay, we describe useful MRI techniques for evaluation of perianal complications in pediatric patients with Crohn disease. We review pertinent anatomy and illustrate typical examples of perianal fistulas with and without abscess. We show one case of clinically suspected perianal fistula that was actually a pilonidal sinus.
磁共振成像（MRI）是评估成年和儿童克罗恩病患者的重要影像学工具。尤其是盆腔MRI，已成为评估克罗恩病肛周瘘管及相关并发症的首选方法。MRI能够明确肛周瘘管和脓肿的范围及位置，还可为手术治疗提供关键信息。在这篇图文并茂的文章中，我们描述了评估儿童克罗恩病肛周并发症的实用MRI技术。我们回顾相关解剖结构，并举例说明有脓肿和无脓肿的肛周瘘管的典型病例。我们展示了一例临床疑似肛周瘘管而实际为藏毛窦的病例。
