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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 13:07, 12 September 2011
, 13:07, 12 September 2011→Less common: +lichenoid keratosis
(→Dermatomyositis: more) |
(→Less common: +lichenoid keratosis) |
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| Line 438: | Line 438: | ||
=Less common= | =Less common= | ||
==Lichenoid keratosis== | |||
===General=== | |||
*Caucasians - middle age or older. | |||
Clinical DDx:<ref name=Ref_Derm346>{{Ref Derm|346}}</ref> | |||
*[[BCC]], [[SCC]], melanocytic neoplasm. | |||
===Microscopic=== | |||
Features:<ref name=Ref_Derm347>{{Ref Derm|347}}</ref> | |||
*Hyperkeratosis. | |||
*Parakeratosis. | |||
*Band of inflammatory cells at DE junction (lichenoid inflammation). | |||
*Dead keratinocytes (Civatte bodies). | |||
*Dermal melanophages. | |||
DDx: | |||
*[[Lichen planus]] - need clinical correlation (mucosal lesions). | |||
*Drug reaction. | |||
*[[Cutaneous T-cell lymphoma]]. | |||
*Regressed melanocytic lesion. | |||
Images: | |||
*[http://www.dermpathexpert.com/id57.html Lichenoid keratosis (dermpathexpert.com)]. | |||
==Granuloma annulare== | ==Granuloma annulare== | ||
===General=== | ===General=== | ||