Predominant Brenner Tumor Combined with Struma Ovarii Containing a Papillary Microcarcinoma Associated with Benign Peritoneal Strumosis: Report of a Case and Histologic Features |
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Authors: | Simone Sibio Francesco Borrini Paolo Sammartino Fabio Accarpio Daniele Biacchi Giuliana Caprio Franco Iafrate Anna Maria Baccheschi Tommaso Cornali Angelo Di Giorgio |
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Institution: | 1.Department of Surgery “P. Valdoni”,University of Rome “La Sapienza”,Rome,Italy;2.Department of Experimental Medicine and Pathology,University of Rome “La Sapienza”,Rome,Italy;3.Department of Radiological Sciences,University of Rome “La Sapienza”,Rome,Italy;4.Eleonora Lorillard Spencer Cenci Foundation–Rome,Rome,Italy |
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Abstract: | Brenner tumor and struma ovarii, two uncommon ovarian tumors arising alone or together with dermoid cysts or adenomas, are
both rare entities. Both tumors rarely become malignant and rarely metastasize. Few published reports describe coexisting
Brenner tumor and malignant struma ovarii. Patients in whom these malignancies coexist only occasionally have peritoneal spreading,
strumosis, or a history of thyrotoxicosis. The patient we describe, a 74-year-old woman, presented with a 2 months’ history
of lower abdominal pain and episodic intestinal subocclusion due to a complex pelvic mass. The mass consisted predominantly
of a Brenner tumor associated with struma ovarii containing a single small island of thyroid tissue that had undergone malignant
transformation into a well-differentiated papillary carcinoma and also normal thyroid tissue that had spread to the peritoneum.
The patient underwent radical surgical treatment and after 7 years follow-up is disease free. |
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