Cytomegalovirus colitis

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Cytomegalovirus colitis is a type of colitis.

General

Uncommon.
Immunosuppressed population at risk, e.g. transplant recipients, individuals with HIV.
Typically self-limited in immunocompetent patients.^[1]

Microscopic

Features:

Enlarged nucleus - classically in endothelial cells.

DDx:

Infectious colitis without a distinctive morphology.
CMV colitis superimposed on inflammatory bowel disease.

Images

CMV colitis - intermed. mag. (WC/Nephron)
CMV colitis - high mag. (WC/Nephron)

www:

IHC

CMV +ve.

Others:

HSV-1.
HSV-2.
VZV.
EBV.

See also

Colitis.
Colon.

References

↑ Kim, SH.; Kim, YS.; Kim, HW.; Yoon, HE.; Kim, HK.; Kim, YO.; Yoon, SA. (Apr 2011). "A case of cytomegalovirus colitis in an immunocompetent hemodialysis patient.". Hemodial Int 15 (2): 297-300. doi:10.1111/j.1542-4758.2010.00520.x. PMID 21226839.

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