375 -<접수일:2007년 5월 17일, 심사통과일:2007년 7월 19일> ※통신저자:한 성 훈 서울시 노원구 상계 7동 761-1 인제대학교 상계백병원 내과 Tel:02) 950-1005, Fax:02) 930-7538, Wegener's granulomatosis is an uncommon disease that is characterized by granulomatous necrotizing vasculitis affecting small vessels. It typically targets the upper and lower respiratory tract and the kidney, but gastrointestinal involvement is rare. A 41-year-old man who has been already diagnosed with Wegener's granulomatosis by nasal cavity biopsy was admitted with

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... loody diarrhea and high fever. He had discontinued taking the immunosuppressive medication. His colonoscopic finding revealed colitis and ulcer lesions which biopsies show vasculitis and ill-defined granuloma. Therefore he was treated with systemic steroid and improved dramatically.