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Hemorrhoids or not? Inflammatory cloacogenic polyps mimicking prolapsed hemorrhoids: a 10-year case series of 56
Yang Liu1, Yibin Pan2, Xiaochun Tao3
1Proctology , Longhua Hospital Shanghai University of Traditional Medicine, China.
Background:
Inflammatory cloacogenic polyp (ICP) is a rare benign lesion that closely mimics hemorrhoids, frequently leading to clinical misdiagnosis.
Methods:
We retrospectively reviewed patients who were preoperatively diagnosed with hemorrhoids and subsequently found to have ICP on histopathological examination, between April 2016 and April 2026.
Results:
Among 19364 patients treated for hemorrhoids, 56 (0.29%;12 males, 44 females; median age 56.5 years, range 18-81) were histopathologically confirmed to have ICP. All 56 patients presented with a prolapsing anal mass, and 51 (91.1%) also had hematochezia. The median symptom duration was 5 years (range 0.25-50). Lesions detected on digital rectal examination or anoscopy were completely excised during hemorrhoid treatment and confirmed as ICP.
Conclusions:
ICP should be suspected in any chronic prolapsing anorectal mass presumed to be hemorrhoidal. Complete excision and routine histopathological evaluation are essential to avoid misdiagnosis.
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