Difference between revisions of "Clear cell acanthoma"
Jump to navigation
Jump to search
| (2 intermediate revisions by the same user not shown) | |||
| Line 22: | Line 22: | ||
*[[Poroma]]. | *[[Poroma]]. | ||
*[[Seborrheic keratosis]]. | *[[Seborrheic keratosis]]. | ||
<!-- ===Images=== | |||
===Images=== | |||
*[http://www.dermatlas.com/derm/IndexDisplay.cfm?ImageID=-327718365 CCA - low mag. (dermatlas.com)]. | *[http://www.dermatlas.com/derm/IndexDisplay.cfm?ImageID=-327718365 CCA - low mag. (dermatlas.com)]. | ||
*[http://www.dermatlas.com/derm/IndexDisplay.cfm?ImageID=546460717 CCA - high mag. (dermatlas.com)]. | *[http://www.dermatlas.com/derm/IndexDisplay.cfm?ImageID=546460717 CCA - high mag. (dermatlas.com)]. --> | ||
==See also== | ==See also== | ||
*[[Non-malignant skin disease]]. | *[[Non-malignant skin disease]]. | ||
Latest revision as of 16:58, 2 June 2017
Clear cell acanthoma, abbreviated CCA, a benign skin lesion classically found on the leg.
General
- Benign.
- Elderly.
- Classically on the leg.[1]
- Rare.
- Clinically not distinct.
- Suspected clinically in only ~3% of cases.[2]
Microscopic
Features:[3]
- Psoriasiform pattern - epidermal thickening (acanthosis).
- Keratinocytes:
- Pale or light pink cytoplasm (when compared to surrounding non-lesional keratinocytes).
- Separated from one another (spongiosis).
- +/-Stratum corneum neutrophils.
DDx:
See also
References
- ↑ Akin, FY.; Ertam, I.; Ceylan, C.; Kazandi, A.; Ozdemir, F.. "Clear cell acanthoma: new observations on dermatoscopy.". Indian J Dermatol Venereol Leprol 74 (3): 285-7. PMID 18583817.
- ↑ Morrison, LK.; Duffey, M.; Janik, M.; Shamma, HN. (Sep 2010). "Clear cell acanthoma: a rare clinical diagnosis prior to biopsy.". Int J Dermatol 49 (9): 1008-11. PMID 20931670.
- ↑ URL: http://www.drmihm.com/cases/case.cfm?CaseID=45. Accessed on: 7 February 2012.