Talk:Melanocytic lesions: Difference between revisions
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Comment: Nevus cells are seen focally at the edges of the section; clinical correlation for excision status is required. | Comment: Nevus cells are seen focally at the edges of the section; clinical correlation for excision status is required. | ||
== Intradermal nevus == | |||
===Microscopic=== | |||
The sections show skin with small, nested, epithelioid intradermal melanocytes without nuclear atypia that become spindled with depth. No mitotic activity is identified. No intraepidermal component is identified. | |||
===Final diagnosis=== | |||
Skin, right thigh ("mole"), excision: <br> | |||
- POLYPOID INTRADERMAL NEVUS. | |||
== Dysplastic nevus versus lentiginous nevus of the elderly == | |||
<pre> | |||
SKIN LESION, LEFT LOWER BACK, SHAVE BIOPSY: | |||
- SUPERFICIAL COMPOUND NEVUS WITH MODERATE CYTOLOGIC ATYPIA AND MODERATE | |||
ARCHITECTURAL DISORDER, MARGINALLY EXCISED, SEE COMMENT. | |||
COMMENT: | |||
The nevus shows lentiginous features not otherwise classified with overlap between | |||
dysplastic nevus and lentiginous nevus of the elderly. Suggest a conservative re-excision. | |||
</pre> | |||
== Spongiotic changes == | |||
<pre> | |||
SKIN LESION, BACK, BIOPSY: | |||
- SUPERFICIAL LENTIGINOUS COMPOUND NEVUS WITH DERMATITIC CHANGES AND CHANGES | |||
SUGGESTIVE OF REMOTE EPIDERMAL NECROSIS, EXCISED IN PLANE OF SECTION. | |||
</pre> | |||
===Micro=== | |||
The sections show skin with pigmented junctional melanocytes, acanthosis, pigmented | |||
hyperkeratosis, and hypergranulosis. Rare dermal melanocytes are seen. There is no | |||
significant nuclear atypia. No mitotic activity is apparent. The lesion is clear of the | |||
margins in the planes of section. | |||