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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 14:46, 12 September 2011
, 14:46, 12 September 2011→Very common: +verruca plana
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*[http://www.dermatlas.org/derm/IndexDisplay.cfm?ImageID=-1985374774 Seborrheic keratosis - high mag. (dermatlas.org)]. | *[http://www.dermatlas.org/derm/IndexDisplay.cfm?ImageID=-1985374774 Seborrheic keratosis - high mag. (dermatlas.org)]. | ||
*[http://www.dermatlas.org/derm/IndexDisplay.cfm?ImageID=-1880960893 Seborrheic keratosis - low mag. (dermatlas.org)]. | *[http://www.dermatlas.org/derm/IndexDisplay.cfm?ImageID=-1880960893 Seborrheic keratosis - low mag. (dermatlas.org)]. | ||
==Pilomatricoma== | ==Pilomatricoma== | ||
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*+/-Eosinophils (may suggest Rx reaction). | *+/-Eosinophils (may suggest Rx reaction). | ||
*Perivascular lymphocytes. | *Perivascular lymphocytes. | ||
=Very common - viral= | |||
==Verruca vulgaris== | |||
===General=== | |||
*[[AKA]] common wart. | |||
*Etiology - [[HPV]]. | |||
Notes: | |||
*Related to [[condyloma acuminatum]]. | |||
===Microscopic=== | |||
Features:<ref>URL: [http://missinglink.ucsf.edu/lm/DermatologyGlossary/verruca_vulgaris.html http://missinglink.ucsf.edu/lm/DermatologyGlossary/verruca_vulgaris.html]. Accessed on: 14 July 2010.</ref> | |||
*Hyperkeratosis (more keratin - thick stratum corneum). | |||
*Hypergranulosis (thicker stratum granulosum). | |||
*Acanthosis (thickening of the stratum spinosum). | |||
*Rete ridges lengthened (~7-10x normal). | |||
*Large blood vessels at the dermal-epidermal junction. | |||
Memory device: there is more of everything - more s. corneum, s. granulosum, s. spinosum, longer rete ridges, more (larger) blood vessels. | |||
Images: | |||
*[http://commons.wikimedia.org/wiki/File:Verruca_vulgaris_-_very_low_mag.jpg Verruca vulgaris - very low mag. (WC)]. | |||
*[http://commons.wikimedia.org/wiki/File:Verruca_vulgaris_-_intermed_mag.jpg Verruca vulgaris - intermed mag. (WC)]. | |||
==Verruca plana== | |||
===General=== | |||
*Common. | |||
*Usu. hands and face.<ref name=Ref_WMSP480>{{Ref WMSP|480}}</ref> | |||
===Microscopic=== | |||
Features:<ref name=Ref_WMSP480>{{Ref WMSP|480}}</ref> | |||
*Basketwearve orthokeratosis. | |||
*Hypergranulosis. | |||
*Viral keratohyaline. | |||
*Koilocytes. | |||
*Acanthosis - yet flat surface and base. | |||
=Less common= | =Less common= | ||