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Image Number #2606 (Melanoma amelanotic)

Site: Back

Diagnosis: Melanoma amelanotic

Sex: F

Age: 79

Type: Mixed

Submitted By: Alan Cameron

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Description: Contact Polarised Dermlite IIHR Vessels are polymorphous. Linear irregular at 7 o'clock, irregular thin hairpin at 3 and 9, comma and dot centrally. Shiny white structures top right are polarisation artefact.

History: This 79 year old woman has had 9 previous melanomas. Two lesions marked for biopsy, lesion in question superior. Histology was reported as — Sections show a few nests of superficial basal cell carcinoma admixed with a very focal level 2 (0.3mm thick) lentigo maligna melanoma. It is arising in a larger in situ lesion. There is no ulceration or dermal mitoses. There is a mild lymphocytic infiltrate but little regression.

DermNetNZ   eMedicine   PubMed   Dermatology Online   Archives   JAAD for "Melanoma amelanotic"

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