Many postchemotherapy sarcomatous tumors in patients with testicular germ cell tumors are sarcomatoid yolk sac tumors: a study of 33 cases.

@article{Howitt2014ManyPS,
  title={Many postchemotherapy sarcomatous tumors in patients with testicular germ cell tumors are sarcomatoid yolk sac tumors: a study of 33 cases.},
  author={Brooke E. Howitt and Martin J. Magers and Kevin R. Rice and Cristina D Cole and Thomas M. Ulbright},
  journal={The American journal of surgical pathology},
  year={2014},
  volume={39 2},
  pages={
          251-9
        }
}
Sarcomatoid neoplasms in patients with testicular germ cell tumors (TGCTs) may show diverse lineages and are usually attributed to "transformation" of teratoma, although origin from yolk sac tumor (YST) has also been suggested. We evaluated 33 sarcomatoid tumors from 23 TGCT patients that lacked specific features of a defined sarcoma subtype for a number of features, including: atypia (mild, moderate, severe), cellularity, tumor necrosis, mitotic index, stromal vascularity, cell profile… CONTINUE READING
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