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Difference between revisions of "Melanocytic lesions"
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| <ref>WMSP P.501.</ref> | | <ref>WMSP P.501.</ref> | ||
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| | | Dysplastic nevus (Clark's nevus) | ||
| | | may be familial - precursor to melanoma | ||
| | | may have asymmetry in shape or pigmentation | ||
| | | melanocytes "bridges" btw sides of rete, "lamellar fibrosis" (collagen deep to epidermis), mod. atypia | ||
| | | melanocyte bridges, lamellar fibrosis | ||
| | | | ||
| | | <ref>WMSP P.502.</ref> | ||
|- | |- | ||
| Halo nevus | |||
| central zone of pigment | |||
| | | | ||
| | | lymphocytes at perimeter of melanocytic; epidermal melanocytes not nested; may be dermal, epidermal or both | ||
| | | lymphocytes +++ | ||
| | | | ||
| | | <ref>WMSP P.502.</ref> | ||
|} | |} | ||
Note 1: | Note 1: | ||