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Benign / non-neoplastic lesions

Atypical polypoid adenomyoma

Reviewer: Farnaz Hasteh, M.D., UCSD Medical Center (see Reviewers page)
Revised: 2 November 2010, last major update November 2010
Copyright: (c) 2006-2010, PathologyOutlines.com, Inc.


● Tumor of endometrium, lower uterine segment and endocervix composed of atypical complex glands with squamous metaplasia mixed with myofibromatous stroma
● Should be considered in differential diagnoses of atypical glandular cells

Case reports

● With complex atypical endometrial hyperplasia in the uterus (Diagn Cytopathol 2010;38;527)

Cytology description

● Tightly backed clusters of glandular cells and loose aggregates of bland smooth muscle cells in premenopausal patients (Diagn Cytopathol 2000;22:176)

Differential diagnosis

● Adenocarcinoma in situ (Acta Cytol 1999;43:637)

End of Cervix-cytology > Benign / non-neoplastic lesions > Atypical polypoid adenomyoma

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