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HOME > J Pathol Transl Med > Volume 33(8); 1999 > Article
Case Report Primitive Neuroectodermal Tumor of the Ovary: A case report .
Chan Kwon Jung, Eun Sun Jung, Youn Soo Lee, Byung Kee Kim, Sun Moo Kim
Journal of Pathology and Translational Medicine 1999;33(8):631-635
DOI: https://doi.org/
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Department of Clinical Pathology, College of Medicine, The Catholic University of Korea, Seoul 137-701, Korea.

Primitive neuroectodermal tumors (PNET) of the ovary are rare tumors with an exclusive or almost exclusive malignant neuroectodermal composition, and are generally regarded as a monodermal expression of an ovarian teratoma. The tumors are basically identical with the lesions of the same name occuring typically in the central nervous system of children. These tumors consist chiefly of undifferentiated small cells resembling neuroblasts. There are also mature, well- differentiated neuroectodermal cells, such as astrocytes and ependymal cells. We report a case of ovarian PNET with glial and neuroblastic differentiation and focal teratomatous foci of non-neural tissue in a 17-year-old female.

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