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Image Number #3137 (Malignant blue nevus)

Site: Other

Diagnosis: Malignant blue nevus

Sex: M

Age: 56

Type: Molemax

Submitted By:

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Description: Blue-gray nodular lesion with bluish to white-gray structureless pigmentation.

History: A 56 -year-old man came because he noticed the presence of a "nevus" for a short period of time. Clinically and dermoscopically it was suspicious of melanoma and a surgical excision was performed. Histological examination confirmed a diagnosis of MBN with polygonal melanocytes with prominent nucleoli and a few mitotic figures, predominatly in the reticular dermis. Breslow thickness was 11mm, Clark V with diffuse expression of an immunohistochemical stain for CD34. 

DermNetNZ   eMedicine   PubMed   Dermatology Online   Archives   JAAD for "Malignant blue nevus"

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