Mucinous adenocarcinoma arising from fistula in ano: MRI findings

被引：33
作者：
Hama, Yukihiro
Makita, Kohzoh
Yamana, Tetsuo
Dodanuki, Keiichi
机构：
[1] Natl Def Med Coll, Dept Radiol, Tokorozawa, Saitama 3590042, Japan
[2] Tokyo Kita Social Insurance Hosp, Dept Radiol, Tokyo, Japan
[3] Social Insurance Chuo Gen Hosp, Coloproctol Ctr, Tokyo, Japan
[4] Social Insurance Chuo Gen Hosp, Dept Radiol, Tokyo, Japan
来源：
AMERICAN JOURNAL OF ROENTGENOLOGY | 2006年 / 187卷 / 02期
关键词：
fistula in ano; gastrointestinal radiology; MRI; mucinous adenocarcinoma; oncologic imaging;
D O I：
10.2214/AJR.05.0011
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
OBJECTIVE. The purpose of this study was to describe MRI findings in 11 patients with mucinous adenocarcinomas arising from fistula in ano. CONCLUSION. More than half of patients had a mass filled with markedly hyperintense content on T2-weighted fast spin-echo images, enhancing solid components within the mass, mesh-like internal enhancement, fluid collections without a thick fibrous capsule, contrast enhancement of peritumoral areas, and a fistula between the mass and the anus. Regional areas of lymph node enlargement were considered indirect findings of locally advanced mucinous adenocarcinoma. These MRI findings may help diagnose mucinous adenocarcinomas arising from fistula in ano.
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页码：517 / 521
页数：5
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