Journal of Pathology and Translational Medicine

Case Reports

The Cytologic Features of Desmoplastic Small Round Cell Tumor with Intranuclear Inclusions : A Case Report .: Ho Chang Lee, Hye Suk Han, Ok Jun Lee; Korean J Pathol. 2009;43(3):279-284.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.3.279

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Abstract PDF: Desmoplastic small round cell tumor (DSRCT) is a rare neoplasm of young adults and it is characterized by polyphenotypic differentiation. We experienced a case of abdominal DSRCT that occurred in a 19-year-old female who presented with painful swelling of her right forearm. The tumor was cytokeratin-negative and it exhibited some tumor cells with intranuclear inclusions. Molecular demonstration of EWS-WT1 fusion transcripts is particularly useful to confirm the diagnosis of DSRCT without epithelial differentiation. We report here on a case of cytokeratin-negative DSRCT that showed an unusual feature of intranuclear inclusions.

Desmoplastic Small Round Cell Tumor with Ovarian Involvement: A Case Report.: Sang Hwa Lee, Wan Seop Kim, Ji Hoon Kim, Hye Seung Han, So Dug Lim, Sang Yoon Kim, Tae Sook Hwang; Korean J Pathol. 2009;43(2):185-188.; DOI: https://doi.org/10.4132/KoreanJPathol.2009.43.2.185

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Desmoplastic small round cell tumor (DSRCT) is a rare, aggressive neoplasm that preferentially involves the abdominal and pelvic cavities in relatively young males. We present a rare case of DSRCT arising in the ovary of a 16-year-old girl. During surgery, a 15 cm-sized huge mass was noted in the right ovary and wide spreading of the tumor was identified in the left ovary, uterine wall, and omentum and bowel wall. Histological investigation showed nests of small round cells with round nuclei and scanty eosinophilic cytoplasm accompanied with dense desmoplastic stroma. The immunohistochemistry showed that the tumor coexpressed epithelial, mesenchymal, and neuronal markers. The tumor cells ultrastructurally showed poorly developed cell junctions and occasionally showed intracytoplasmic aggregates of intermediate filaments. Molecular analysis of the tumor revealed chromosomal translocation t(11:22)(p13;q12) associated with the EWS-WT1 fusion protein. DSRCT should be included in the differential diagnosis of ovarian neoplasms in young patients.

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Desmoplastic small round cell tumor of the ovary
Ravi Hari Phulware, Maitrayee Roy, Neeta Singh, Sunesh Kumar, Sandeep R. Mathur
Indian Journal of Pathology and Microbiology.2021; 64(1): 206. CrossRef

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