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Ovary - nontumor

Non-neoplastic cysts/other

Splenic-gonadal fusion

Reviewer: Shahid Islam, M.D., (see Reviewers page)
Revised: 5 June 2012, last major update May 2012
Copyright: (c) 2002-2012, PathologyOutlines.com, Inc.


● Congenital anomaly due to fusion of splenic and gonadal anlage during embryonic development
● Extremely rare (90 cases)
● More common in males (M:F= 9:1); often associated with skeletal anomalies or cryptorchidism
● Either continuous or discontinuous
● Continuous: cord-like structure connects the spleen and the gonadal-mesonephric structures
● Discontinuous: no such connection exists

Case reports

● Adult woman - continuous (Pathol Int 1995;45:871)
● Adult woman - discontinuous (Hum Pathol 1989;20:486)

Gross images

A nodule of brown red splenic tissue abuts the ovary (AFIP)

End of Ovary - nontumor > Non-neoplastic cysts/other > Splenic-gonadal fusion

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