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Contributor
Ben Chong
Diagnosis
melanoma
Body Site
nose
Age
78 years
Pigmentation
light
Organization
Color
Morphology
Pattern
Comments
The absence of AE1/3 in the tumor is characteristic of a melanoma and excludes a spindle cell tumor.
Description
There is dense epidermal staining with AE1/3 which stains for cytokeratin. This is a normal finding in the epidermis.
Categories
neoplasm, malignant
hyperpigmentation
Image Added
8/28/2003 23:32:30
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