Cap polyposis

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Cap polyposis
Diagnosis in short

LM polypoid lesions with caps of granulation tissue
LM DDx pseudomembranous colitis, inflammatory bowel disease
Gross polypoid lesions
Site colon, rectum

Associated Dx colitis cystica profunda
Clinical history rectal bleeding
Endoscopy polypoid lesions
Prognosis benign
Clin. DDx malignancy, inflammatory bowel disease, other causes of rectal bleeding

Cap polyposis, also inflammatory cap polyposis, is a very rare gastrointestinal pathology.

Inflammatory cap polyp redirects here.


Clinical - children:

  • Rectal bleeding.[3]


  • Abundant polypoid lesions.
  • Erosions.





See also


  1. 1.0 1.1 1.2 Mason, M.; Faizi, SA.; Fischer, E.; Rajput, A. (2013). "Inflammatory cap polyposis in a 42-year-old male.". Int J Surg Case Rep 4 (3): 351-3. doi:10.1016/j.ijscr.2012.12.014. PMID 23416507.
  2. Arana, R.; Fléjou, JF.; Parc, Y.; El-Murr, N.; Cosnes, J.; Svrcek, M. (Sep 2013). "Cap polyposis and colitis cystica profunda: a rare association.". Histopathology. doi:10.1111/his.12292. PMID 24118052.
  3. 3.0 3.1 Li, JH.; Leong, MY.; Phua, KB.; Low, Y.; Kader, A.; Logarajah, V.; Ong, LY.; Chua, JH. et al. (Jul 2013). "Cap polyposis: a rare cause of rectal bleeding in children.". World J Gastroenterol 19 (26): 4185-91. doi:10.3748/wjg.v19.i26.4185. PMID 23864782.
  4. Kini, GP.; Murray, I.; Champion-Young, J.; Lau, M.; Katta, V.; Thorn, M.; Schultz, MP. (Apr 2013). "Cap polyposis mistaken for Crohn's disease: case report and review of literature.". J Crohns Colitis 7 (3): e108-11. doi:10.1016/j.crohns.2012.06.005. PMID 22766527.