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Benign / non-neoplastic lesions

Decidual reaction in cervix

Reviewer: Marilin Rosa, M.D., University of Florida (see Reviewers page)
Revised: 10 June 2011, last major update June 2011
Copyright: (c) 2006-2011, PathologyOutlines.com, Inc.


● Identified cytologically in 1/3 of patients with histologically confirmed decidual reaction (Acta Cytol 1981;25:616)
● Clinical history of pregnancy is important to avoid misdiagnosis of dysplasia

Cytology description

● Cells occur in aggregates or singly, have abundant cytoplasm, marked nuclear enlargement with finely granular chromatin and prominent nucleoli
● Cell size is similar to mature squamous cells

Cytology images

Decidual reaction - not necessarily cervix

Differential diagnosis

● Repair, SIL, adenocarcinoma

End of Cervix-cytology > Benign / non-neoplastic lesions > Decidual reaction in cervix

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