Megacolon Secondary to Acute Pancreatitis Requiring Differentiation from Chronic Intestinal Pseudo-obstruction—A Case Report—

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  • SATO Hideaki
    Department of Surgery, Tohoku University Graduate School of Medicine
  • ISHIDA Masaharu
    Department of Surgery, Tohoku University Graduate School of Medicine
  • NAGAO Munenori
    Division of Gastroenterologic Surgery, Tohoku Medical and Pharmaceutical University
  • MOTOI Fuyuhiko
    Department of Surgery, Tohoku University Graduate School of Medicine
  • NAITOH Takeshi
    Department of Surgery, Tohoku University Graduate School of Medicine
  • UNNO Michiaki
    Department of Surgery, Tohoku University Graduate School of Medicine

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Other Title
  • 慢性偽性腸閉塞症と鑑別を要した急性膵炎に続発した慢性巨大結腸症の1例
  • 症例 慢性偽性腸閉塞症と鑑別を要した急性膵炎に続発した慢性巨大結腸症の1例
  • ショウレイ マンセイ ギセイ チョウ ヘイソクショウ ト カンベツ オ ヨウシタ キュウセイスイエン ニ ゾクハツ シタ マンセイ キョダイ ケッチョウショウ ノ 1レイ

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A 28-year-old male, who had a history of severe acute pancreatitis (AP) and walled-off necrosis treated by percutaneous and endoscopic drainage, was admitted to our institute with ileus. At first, chronic intestinal pseudo-obstruction (CIPO) was suspected, but because cine MRI showed preserved peristaltic function of the small intestine, we made the diagnosis of chronic megacolon. Ileostomy was performed, and the patient is under follow-up at a nearby hospital. CIPO is characterized by peristaltic dysfunction of the small intestine and surgical treatment is often ineffective, whereas surgical treatment is highly effective for chronic megacolon. Therefore, differential diagnosis is very important. This is the first report of a case of chronic megacolon with peristaltic dysfunction secondary to AP reported from Japan.

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