PMID: 26339451Sep 5, 2015Paper

Solid pseudopapillary tumor: an invasive case report of primary ovarian origin and review of the literature

International Journal of Clinical and Experimental Pathology
Shuqian HeQing Sun

Abstract

Solid pseudopapillary neoplasm occurring as a primary tumor outside the pancreas is a rare event. We report a case of an ovarian primary occurring with an ill-defined cystic mass in a 39-year-old woman. The morphologic and immunohistochemical features of the ovarian neoplasm described in this report are compatible with those of solid pseudopapillary neoplasm of the pancreas. Histologically, the tumor cells of the case we report infiltrate into the ovarian parenchyma. Because of the diagnosis is not clear before surgery, the patient had a reoccurrence two months after the operation in which laparoscopic simple ovarian cystectomy and part ovarian tissue removal, followed by the right salpingo-oophorectomy. The case herein confirms that solid pseudopapillary neoplasm of the ovary belongs to the class of low-grade malignant tumor with certain invasiveness. The diagnosis should be taken into serious consideration in order to avoid missed diagnosis and delay treatment. Through this case we have a better understanding of the biological behavior of solid pseudopapillary neoplasm of the ovary.

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