Atypical teratoid/rhabdoid tumor: cytology and differential diagnosis in adults.

  title={Atypical teratoid/rhabdoid tumor: cytology and differential diagnosis in adults.},
  author={Jack M. Raisanen and Kimmo J. Hatanpaa and Bruce E. Mickey and Charles L. White},
  journal={Diagnostic cytopathology},
  volume={31 1},
Atypical teratoid/rhabdoid tumors (AT/RTs) are malignant intracranial neoplasms that usually occur in the posterior fossa of children. They are characterized by cells with paranuclear rhabdoid inclusions, a mesenchymal and epithelial immunohistochemical profile, and 22q deletions with inactivation of the INI1/hSNF5 gene. Although they usually occur in young children, AT/RTs are being recognized in adults with increasing frequency. We report the cytologic features of an AT/RT from the cerebellum… CONTINUE READING

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