1. Department of Anatomical Pathology, University of Chile Clinical Hospital, Santos Dumont 999, Santiago, Chile;2. Pathology & Laboratory Medicine, Mount Sinai Hospital, Toronto and University of Toronto, Toronto, Canada
Abstract:
Atypical teratoid/rhabdoid tumor (AT/RT) is a distinctive neoplasm of young children characterized by diverse histology and fatal course. Adult presentation is rare. We describe the diagnostic problems associated with an AT/RT arising in the sellar region in a 46-year-old female.