Clinicopathological features of inflammatory cloacogenic polyp: Report of two cases

Kazuoki Hizawa, Kouichi Imamura, Minako Hirahashi, Takashi Yao, Tsukane Nakahara, Masayuki Kitamura, Takayuki Matsumoto, Mitsuo Iida

Research output: Contribution to journalArticle

Abstract

Clinicopathological features of two Japanese patients (25-year-old and 83-year-old men) with an inflammatory cloacogenic polyp (ICP) are described. Both of the patients have been suffered from hemorrhoids and defecation disturbance. Colonoscopic features are characterized by a solitary sessile hyperemic polypoidal mass (2 and 3 cm in diameter) with partly villous surface located in the anterior wall of the lower rectum, focally covered by stratified squamous epithelium of the anal verge. Histological examinations show hyperplastic crypts and stromal fibromuscular hypertrophy. These findings seem to indicate mucosal prolapse arround the hemorrhoid in polypogenesis of ICP.

Original languageEnglish
Pages (from-to)1538-1542
Number of pages5
JournalGastroenterological Endoscopy
Volume47
Issue number8
Publication statusPublished - Aug 1 2005

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Hemorrhoids
Polyps
Defecation
Prolapse
Rectum
Hypertrophy
Epithelium

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging
  • Gastroenterology

Cite this

Hizawa, K., Imamura, K., Hirahashi, M., Yao, T., Nakahara, T., Kitamura, M., ... Iida, M. (2005). Clinicopathological features of inflammatory cloacogenic polyp: Report of two cases. Gastroenterological Endoscopy, 47(8), 1538-1542.

Clinicopathological features of inflammatory cloacogenic polyp : Report of two cases. / Hizawa, Kazuoki; Imamura, Kouichi; Hirahashi, Minako; Yao, Takashi; Nakahara, Tsukane; Kitamura, Masayuki; Matsumoto, Takayuki; Iida, Mitsuo.

In: Gastroenterological Endoscopy, Vol. 47, No. 8, 01.08.2005, p. 1538-1542.

Research output: Contribution to journalArticle

Hizawa, K, Imamura, K, Hirahashi, M, Yao, T, Nakahara, T, Kitamura, M, Matsumoto, T & Iida, M 2005, 'Clinicopathological features of inflammatory cloacogenic polyp: Report of two cases', Gastroenterological Endoscopy, vol. 47, no. 8, pp. 1538-1542.
Hizawa K, Imamura K, Hirahashi M, Yao T, Nakahara T, Kitamura M et al. Clinicopathological features of inflammatory cloacogenic polyp: Report of two cases. Gastroenterological Endoscopy. 2005 Aug 1;47(8):1538-1542.
Hizawa, Kazuoki ; Imamura, Kouichi ; Hirahashi, Minako ; Yao, Takashi ; Nakahara, Tsukane ; Kitamura, Masayuki ; Matsumoto, Takayuki ; Iida, Mitsuo. / Clinicopathological features of inflammatory cloacogenic polyp : Report of two cases. In: Gastroenterological Endoscopy. 2005 ; Vol. 47, No. 8. pp. 1538-1542.
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