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Difference between revisions of "Melanocytic lesions"
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→Melanocytic nevus: +lentigo simplex
m (→Micro: w) |
(→Melanocytic nevus: +lentigo simplex) |
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*"Maturation" in the context of melanocytic lesions ''means'' (1) the cells get smaller with depth, (2) cells are less mitotic with depth. | *"Maturation" in the context of melanocytic lesions ''means'' (1) the cells get smaller with depth, (2) cells are less mitotic with depth. | ||
==Lentigo simplex== | |||
===General=== | |||
*Benign. | |||
*Usu. <40 years old. | |||
Fits into the larger category of ''lentiginous melanocytic proliferations'' - these include:<ref name=Ref_Derm438>{{Ref Derm|438}}</ref> | |||
*[[Solar lentigo]]. | |||
*Lentigo simplex. | |||
*Lentiginous nevus. | |||
*Lentiginous [[melanoma in situ]]. | |||
===Gross=== | |||
*Small flat pigmented lesion.<ref name=Ref_WMSP498>{{Ref WMSP|498}}</ref> | |||
===Microscopic=== | |||
Features:<ref name=Ref_WMSP498>{{Ref WMSP|498}}</ref> | |||
*Melanocytes in epidermis only. | |||
*No melanocytic nests. | |||
Images: | |||
*[http://dermaamin.com/site/histopathology-of-the-skin/64-l/1852-lentigo-simplex-.html Lentigo simplex - several (dermamin.com)]. | |||
==Melanocytic nevus== | ==Melanocytic nevus== | ||