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Penis and scrotum
Other malignancies
Mucoepidermoid carcinoma
Editor: Antonio Cubilla, M.D. and Alcides Chaux, M.D. (see Author/Reviewers page)
Revised: 16 May 2010, last major update May 2010
Copyright: (c) 2002-2010, PathologyOutlines.com, Inc.
Definition
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● Unusual and aggressive variant of penile carcinoma
Sites
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● Glans
Case reports
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● Single case reports (Archives 2000;124:148, Urology 2000;56:154)
Micro description (Histopathology)
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● Sheets and nests of cells with large nuclei, prominent nucleoli, abundant cytoplasm with well defined borders, mucin in 25% of cells
● Minor component of well-differentiated nonkeratinizing squamous cell carcinoma
● Resembles similar tumor of cervix
Micro images
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Sheets/nests of cells Mucicarmine stain
with prominent mucin
Differential Diagnosis
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● Adenosquamous carcinoma: areas of true glandular differentiation, mucin stains glandular but not squamous structures
End of Penis and scrotum > Other malignancies > Mucoepidermoid carcinoma
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