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Benign / non-neoplastic lesions

Endosalpingiosis / Tubal metaplasia

Reviewer: Marilin Rosa, M.D., University of Florida (see Reviewers page)
Revised: 14 June 2011, last major update June 2011
Copyright: (c) 2006-2011, PathologyOutlines.com, Inc.


● Characterized by presence of epithlelium similar to that of fallopian tube, including ciliated cells

Cytology description

● Ciliated epithelium similar to fallopian tube
● May have psammoma bodies (J Reprod Med 1991;36:675, J Reprod Med 2000;45:526)
● May have crowding and hyperchromasia

Cytology images

Tubal metaplasia

Differential diagnosis

Atypical glandular cells / high grade squamous dysplasia: lack cilia, but cilia may be difficult to identify in some tubal metaplasia specimens; crowding and hyperchromasia are seen in some tubal metaplasia specimens

End of Cervix-cytology > Benign / non-neoplastic lesions > Endosalpingiosis / tubal metaplasia

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