J Korean Radiol Soc.  1998 Mar;38(3):441-444. 10.3348/jkrs.1998.38.3.441.

Polyarteritis Nodosa in Superior Mesenteric Artery: A Case Report

• Seo YL
• Choi CS
• Kim HC
• Bae SH
• Lee ES
• Nam ES

• KMID: 2201399
• DOI: http://doi.org/10.3348/jkrs.1998.38.3.441

Abstract

Polyarteritis nodosa(PAN) is a multisystem disease characterized by necrotizing vasculitis of small andmedium-sized arteries, and in 50% of all cases there is gastrointestinal involvement. We describe a patient withPAN involving the gastrointestinal tract. A small bowel series showed nodular fold thickening, submucosal fillingdefects, shallow ulcerations, segmental luminal narrowing, and decreased peristalsis at the duodenum, jejunum, andileum; superior mesenteric arteriography showed hypervascularity and microaneurysm. Segmental resection of thesmall bowel indicated the presence of PAN.

Keyword

Arteritis; Angiography; Intestines, inflammation

MeSH Terms

Angiography
Arteries
Arteritis
Duodenum
Gastrointestinal Tract
Humans
Jejunum
Mesenteric Artery, Superior*
Peristalsis
Phenobarbital
Polyarteritis Nodosa*
Ulcer
Vasculitis
Phenobarbital

Figure

• 

  Fig. 1. Small bowel series shows submucosal filling defects (large arrows), shallow ulcerations (small arrows), and multiple segmental luminal narrowing (open arrows) in duodenum(A) and terminal il- eum(B).

• 

  Fig. 2. Hypervascularity and numerous microaneurysms (arrows) are noted at jejunal(A) and ilea 1(B) branch of superior mesenteric artery on arterial phase of arteriogram. Small contrast poolings (arrows) are noted at ileal branches on venous phase of superior mesenteric arteriography(C).

• 

  Fig. 3. A. Photomicrograph shows ulceration and regeneration of the mucosa. There is aneurysmal dilatation of artery showing necrotizing inflammation in submucosa. (Η & Ε stain, X40) B. The artery in the serosa is occluded by thrombus and shows disruption and fragmentation of internal elastic lamina. (Elastic stain, X100)

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