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Eosinophilic granulomatosis with polyangiitis (EGPA) is a vascular disorder of unknown etiology characterized by severe asthma, eosinophilia, and granulomatous vasculitis. It is sometimes associated with gastrointestinal lesions, although perforations are uncommon. Corticosteroids are commonly used in the treatment of patients with EGPA; however, they may impair tissue repair and induce fibrotic changes in the vascular intima, which can lead to vascular occlusion, ischemia, and perforation. The anti-inflammatory properties of corticosteroids may mask symptoms of gastroduodenal ulcers or other intra-abdominal conditions, which can lead to a delay in diagnosis. From January 1, 2001 to December 31, 2014, 71 patients underwent surgery for small intestinal perforations. Of these, 4 operations were performed on 3 patients with EGPA who were receiving corticosteroids. We retrospectively reviewed the clinical and pathologic features of these patients. All 3 patients with EGPA were men, with a mean age of 56 years. The length of resected intestine ranged from 10 to 60 cm. Histopathologic examination revealed ulcers and perforations of the small intestine associated with vasculitis, compatible with EGPA. All patients had an uneventful postoperative course. Patients with EGPA presenting with abdominal pain must be carefully evaluated for possible intestinal perforation, especially those receiving corticosteroid therapy.

A Clinicopathologic Study of Small Intestinal Perforations in Patients With Eosinophilic Granulomatosis With Polyangiitis: A Series of 3 Patients