Difference between revisions of "Non-malignant skin disease"

Non-malignant skin disease (view source)

Revision as of 18:19, 3 July 2014

1,406 bytes removed , 18:19, 3 July 2014

→‎Lichenoid keratosis: split out

Michael

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 *[[AKA]] ''lichen planus-like keratosis''.
 *[[AKA]] ''lichenoid keratosis''.
+{{Main|Lichenoid keratosis}}
-===General===
-*Caucasians - middle age or older.
-*May be a variant of [[seborrheic keratosis]] (with marked inflammation).<ref name=Ref_Derm346>{{Ref Derm|346}}</ref>
-Clinical DDx:<ref name=Ref_Derm346>{{Ref Derm|346}}</ref>
-*[[Basal cell carcinoma]], [[squamous cell carcinoma of the skin]], 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, esp. [[malignant melanoma]].
-*Lichenoid [[actinic keratosis]] - has atypical hyperchromatic basal cells - esp. at edge of lesion, usu. in the context of [[solar elastosis]].
-Images:
-*[http://www.dermpathexpert.com/id57.html Lichenoid keratosis (dermpathexpert.com)].
-===Sign out===
-<pre>
-SKIN LESION, MID-MIDDLE BACK, PUNCH BIOPSY:
-- LICHENOID KERATOSIS.
-</pre>
-====Incompletely excised====
-<pre>
-SKIN LESION, LEFT CHEST, PUNCH BIOPSY:
-- LICHENOID KERATOSIS VERSUS ACTINIC KERATOSIS.
-- NEGATIVE FOR BASAL CELL CARCINOMA.
-- SEE COMMENT.
-COMMENT:
-No eosinophils are apparent. No melanocytic lesion is identified; however, excision of the
-whole lesion to exclude a partially regressed melanocytic lesion is suggested.
-</pre>
 ==Granuloma annulare==

Difference between revisions of "Non-malignant skin disease"

Non-malignant skin disease (view source)

Revision as of 18:19, 3 July 2014

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