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Atypical teratoid rhabdoid tumor
"ATRT" redirects here.
For the Star Wars vehicle, see AT-RT.
Medical condition
An atypical teratoid rhabdoid tumor (AT/RT) is a rare tumor usually diagnosed in childhood. Although usually a brain tumor, AT/RT can occur anywhere in the central nervous system (CNS), including the spinal cord.
About 60% will be in the posterior cranial fossa (particularly the cerebellum). One review estimated 52% in the posterior fossa, 39% are supratentorialprimitive neuroectodermal tumors (sPNET), 5% are in the pineal, 2% are spinal, and 2% are multifocal.[3]
In the United States, three children per 1,, or around 30 new AT/RT cases are diagnosed each year.
AT/RT represents around 3% of pediatric cancers of the CNS.[4] Around 17% of all pediatric cancers involve the CNS, making these cancers the most common childhood solid tumor.[citation needed] The survival rate for CNS tumors is around 60%.
Pediatric brain cancer is the seco