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IP Archives of Cytology and Histopathology Research

Cystic Struma Ovarii – A pathological rarity and diagnostic enigma

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Author Details : Hemalatha AL, Abilash SC, Girish M

Volume : 2, Issue : 1, Year : 2017

Article Page : 12-14

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Struma ovarii, a rare ovarian neoplasm, is a monophyletic teratoma composed predominantly of thyroid tissue. It accounts for less than 5% of mature teratomas. Cystic struma ovarii is a rare variant wherein the thyroid component could be minimal in contrast to struma ovarii which has more than 50% 0f thyroid tissue. Diagnostic difficulties may arise if the Struma ovarii is either cystic or co-exists with any other cystic ovarian tumor. The dilemma gets worse when the tumor reveals only a few typical thyroid follicles and the gross examination shows a multi-loculated cyst with mucoid content. Extensive tissue sampling becomes mandatory in such cases to confirm cystic Struma ovarii and its co-existence with another cystic ovarian neoplasm.
We report one such rare occurrence of an ovarian tumor with co-existent cystic Struma ovarii and Mucinous cystadenoma. The case is reported for its rarity and for the diagnostic challenge encountered.

Cystic Struma ovarii, Mucinous cystadenoma, Germ cell tumor, Thyroid tissue

How to cite : Hemalatha Al, Abilash Sc, Girish M, Cystic Struma Ovarii – A pathological rarity and diagnostic enigma. IP Arch Cytol Histopathol Res 2017;2(1):12-14

Copyright © 2017 by author(s) and IP Arch Cytol Histopathol Res. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC-BY-NC 4.0) (