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Korean J Gastroenterol. 2016 Jan;67(1):54-57. Korean.
Published online Jan 26, 2016.  https://doi.org/10.4166/kjg.2016.67.1.54
Copyright © 2016 The Korean Society of Gastroenterology
Idiopathic Myointimal Hyperplasia of Mesenteric Veins
Kyung Ho Yang, Tae Hyung Kwon, Kyung Sik Park, Eun Soo Kim, Kwang Bum Cho, Seong Kyu Baek,1 and Ilseon Hwang2
Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea.
1Department of Surgery, Keimyung University School of Medicine, Daegu, Korea.
2Department of Pathology, Keimyung University School of Medicine, Daegu, Korea.

Correspondence to: Kyung Sik Park, Department of Internal Medicine, Keimyung University Dongsan Medical Center, 56 Dalseong-ro, Jung-gu, Daegu 41931, Korea. Tel: +82-53-250-7088, Fax: +82-53-250-7088, Email: seenae99@dsmc.or.kr

This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


Figures


 Fig. 1
Initial endoscopic finding. A deep encircling ulceration measuring about 15 cm in length is seen from upper rectum to distal sigmoid colon.
Click for larger image


Fig. 2
Abdominal CT finding. An enhancing mass lesion suspicious of a rectal malignancy is noted near the recto-sigmoid junction (arrow).
Click for larger image


Fig. 3
Follow-up endoscopic finding. The ulcerative lesion has aggravated compared to previous endoscopy which now shows active oozing of blood from the lesion.
Click for larger image


Fig. 4
Pathologic findings. (A) Resected specimen shows deep ulcerative lesion with surrounding erythematous change. (B) Microscopic finding shows ulcer with acute inflammation (arrows) and many vessels with congestion (arrowheads) in the mucosal layer (H&E, ×100). (C) Myointimal hyperplasia of the vein (arrow) with adjacent unaffected artery is present (H&E, ×100). (D) Elastic stain (×100) shows absence of arterial elastic lamina and luminal occlusion of vein.
Click for larger image

Notes

Financial support:None.

Conflict of interest:None.

References
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