papillary tumor of the pineal region https://www.malacards.org/card/papillary_tumor_of_the_pineal_region GARD:0020725 PTPR MEDGEN:457445 MONDO:0016724 ICDO:9395/3 Orphanet:251915 DOID:0081251 Papillary tumor of the pineal region (PTPR) is a very rare neoplasm of the pineal region that is thought to arise from the specialized ependymocytes of the subcommissural organ and that manifests with visual disturbances, headaches, loss of coordination and balance, nausea and vomiting due to obstructive hydrocephalus. ONCOTREE:PTPR UMLS:C2985219 NCIT:C92624 neuroepithelial neoplasm pineal body neoplasm