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Benign lesions/conditions

Blue nevus

Reviewers: Komal Arora, M.D., (see Reviewers page)
Revised: 13 April 2012, last major update March 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● Very rare - 28 cases reported through 2011 (Arch Pathol Lab Med 2011;135:799)
● Melanin in S100+ prostatic stroma, probably melanocytes (Am J Clin Pathol 1988;90:530)
● Glands may contain some pigment due to transfer from stromal melanocytes

Case reports

● 66 year old man (Adv Clin Pathol 2002;6:135)

Micro images

Various images

Electron microscopy

● Melanin present in mature melanosomes

End of Prostate > Benign lesions/conditions > Blue nevus

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