An atypical nonsebaceous lymphadenoma with diffuse lymphoepithelial differentiation

Nonsebaceous lymphadenoma is an uncommon salivary gland tumor. It consists of lymphoid and epithelial components that lack sebaceous differentiation. Herein, we present a 44-year-old woman with left a submandibular gland tumor. The tumor is well-circumscribed and solid without ductal or cystic forma...

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Bibliographic Details
Main Authors: Min-Kyung Yeo, Da Mi Kim, Jin Man Kim
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2016-01-01
Series:Indian Journal of Pathology and Microbiology
Subjects:
Online Access:http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2016;volume=59;issue=4;spage=521;epage=523;aulast=Yeo
Description
Summary:Nonsebaceous lymphadenoma is an uncommon salivary gland tumor. It consists of lymphoid and epithelial components that lack sebaceous differentiation. Herein, we present a 44-year-old woman with left a submandibular gland tumor. The tumor is well-circumscribed and solid without ductal or cystic formation. The epithelial cells intermingle with lymphoplasma cells. The epithelial cells show moderate cytologic atypia and a few mitoses with no viral infection. Histologically, the tumor had features of nonsebaceous lymphadenoma with unusual findings of nuclear atypia and marked lymphoepithelial differentiation. Atypical nonsebaceous lymphadenoma with diffuse lymphoepithelial differentiation is rare and important to recognize to avoid misdiagnosis.
ISSN:0377-4929