Difference between revisions of "Cap polyposis"

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{{ Infobox diagnosis
| Name      = {{PAGENAME}}
| Image      =
| Width      =
| Caption    =
| Micro      = polypoid lesions with caps of [[granulation tissue]]
| Subtypes  =
| LMDDx      = [[pseudomembranous colitis]], [[inflammatory bowel disease]]
| Stains    =
| IHC        =
| EM        =
| Molecular  =
| IF        =
| Gross      = polypoid lesions
| Grossing  =
| Site      = [[colon]], [[rectum]]
| Assdx      = [[colitis cystica profunda]]
| Syndromes  =
| Clinicalhx = rectal bleeding
| Signs      =
| Symptoms  =
| Prevalence =
| Bloodwork  =
| Rads      =
| Endoscopy  = polypoid lesions
| Prognosis  = benign
| Other      =
| ClinDDx    = malignancy, [[inflammatory bowel disease]], other causes of rectal bleeding
}}
'''Cap polyposis''', also '''inflammatory cap polyposis''', is a very rare [[gastrointestinal pathology]].
'''Cap polyposis''', also '''inflammatory cap polyposis''', is a very rare [[gastrointestinal pathology]].


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*Extremely rare.
*Extremely rare.
*Benign.<ref name=pmid23416507>{{Cite journal  | last1 = Mason | first1 = M. | last2 = Faizi | first2 = SA. | last3 = Fischer | first3 = E. | last4 = Rajput | first4 = A. | title = Inflammatory cap polyposis in a 42-year-old male. | journal = Int J Surg Case Rep | volume = 4 | issue = 3 | pages = 351-3 | month =  | year = 2013 | doi = 10.1016/j.ijscr.2012.12.014 | PMID = 23416507 }}</ref>
*Benign.<ref name=pmid23416507>{{Cite journal  | last1 = Mason | first1 = M. | last2 = Faizi | first2 = SA. | last3 = Fischer | first3 = E. | last4 = Rajput | first4 = A. | title = Inflammatory cap polyposis in a 42-year-old male. | journal = Int J Surg Case Rep | volume = 4 | issue = 3 | pages = 351-3 | month =  | year = 2013 | doi = 10.1016/j.ijscr.2012.12.014 | PMID = 23416507 }}</ref>
**May mimic malignancy.
*Association with [[colitis cystica profunda]].<ref name=pmid24118052>{{Cite journal  | last1 = Arana | first1 = R. | last2 = Fléjou | first2 = JF. | last3 = Parc | first3 = Y. | last4 = El-Murr | first4 = N. | last5 = Cosnes | first5 = J. | last6 = Svrcek | first6 = M. | title = Cap polyposis and colitis cystica profunda: a rare association. | journal = Histopathology | volume =  | issue =  | pages =  | month = Sep | year = 2013 | doi = 10.1111/his.12292 | PMID = 24118052 }}</ref>
*Association with [[colitis cystica profunda]].<ref name=pmid24118052>{{Cite journal  | last1 = Arana | first1 = R. | last2 = Fléjou | first2 = JF. | last3 = Parc | first3 = Y. | last4 = El-Murr | first4 = N. | last5 = Cosnes | first5 = J. | last6 = Svrcek | first6 = M. | title = Cap polyposis and colitis cystica profunda: a rare association. | journal = Histopathology | volume =  | issue =  | pages =  | month = Sep | year = 2013 | doi = 10.1111/his.12292 | PMID = 24118052 }}</ref>


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*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3604675/figure/fig0010/ Cap polyp (nih.gov)].<ref name=pmid23416507/>
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3604675/figure/fig0010/ Cap polyp (nih.gov)].<ref name=pmid23416507/>
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3710421/figure/F2/ Cap polyp (nih.gov)].<ref name=pmid23864782>{{Cite journal  | last1 = Li | first1 = JH. | last2 = Leong | first2 = MY. | last3 = Phua | first3 = KB. | last4 = Low | first4 = Y. | last5 = Kader | first5 = A. | last6 = Logarajah | first6 = V. | last7 = Ong | first7 = LY. | last8 = Chua | first8 = JH. | last9 = Ong | first9 = C. | title = Cap polyposis: a rare cause of rectal bleeding in children. | journal = World J Gastroenterol | volume = 19 | issue = 26 | pages = 4185-91 | month = Jul | year = 2013 | doi = 10.3748/wjg.v19.i26.4185 | PMID = 23864782 }}</ref>
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3710421/figure/F2/ Cap polyp (nih.gov)].<ref name=pmid23864782>{{Cite journal  | last1 = Li | first1 = JH. | last2 = Leong | first2 = MY. | last3 = Phua | first3 = KB. | last4 = Low | first4 = Y. | last5 = Kader | first5 = A. | last6 = Logarajah | first6 = V. | last7 = Ong | first7 = LY. | last8 = Chua | first8 = JH. | last9 = Ong | first9 = C. | title = Cap polyposis: a rare cause of rectal bleeding in children. | journal = World J Gastroenterol | volume = 19 | issue = 26 | pages = 4185-91 | month = Jul | year = 2013 | doi = 10.3748/wjg.v19.i26.4185 | PMID = 23864782 }}</ref>
==See also==
==See also==
*[[Familial adenomatous polyposis]].
*[[Familial adenomatous polyposis]].

Revision as of 00:03, 20 October 2013

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.

General

Clinical - children:

  • Rectal bleeding.[3]

Gross

  • Abundant polypoid lesions.
  • Erosions.

Microscopic

Features:[1]

DDx:

Images:

See also

References

  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.