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Primary Primitive Neuroectodermal Tumor (PNET) of the female genital tract is very rare. The majority has been described in ovaries, and the endometrium is an even rarer site. Herein we describe 2 cases of primary uterine corpus PNET cases with EWSR1 FISH confirmation. To the best of our knowledge, there are four cases reported in the English literature. The knowledge of these tumors' incidence in the endometrium is important to keep in mind, to differentiate it from poorly differentiated and undifferentiated adenocarcinomas, should such pattern of growth be encountered.