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Difference between revisions of "Non-malignant skin disease"
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Non-malignant skin disease (view source)
Revision as of 16:11, 26 February 2012
, 16:11, 26 February 2012→Very common: create acne vulgaris
m (→Microscopic) |
(→Very common: create acne vulgaris) |
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*+/-Eosinophils (may suggest Rx reaction). | *+/-Eosinophils (may suggest Rx reaction). | ||
*Perivascular lymphocytes. | *Perivascular lymphocytes. | ||
==Acne vulgaris== | |||
===General=== | |||
*Extremely common - esp. among adolescents. | |||
*Very rarely seen by pathologists. | |||
Treatments: | |||
*Antibiotic (minocycline). | |||
*Isotretinoin [[AKA]] all-trans retinoic acid (ATRA). | |||
===Gross=== | |||
*Papules or pustules or nodules and cysts. | |||
**White, black or erythematous. | |||
Images: | |||
*[http://commons.wikimedia.org/wiki/File:Blackheads.JPG Blackheads (WC)]. | |||
===Microscopic=== | |||
Features:<ref>{{Ref Derm|76}}</ref> | |||
*Epidermal invagination/cyst at site of a hair follicle - contains: | |||
**Sebum. | |||
**+/-Bacteria (''Propionibacterium acnes'') and neurophils. | |||
Subtyped into: | |||
#Open ("black heads") | |||
#Closed ("white heads") | |||
=Very common - viral= | =Very common - viral= | ||