Infratentorial tumors and the dural venous sinuses.
D000293:Adolescent; D001932:Brain Neoplasms; D002675:Child, Preschool; D003388:Cranial Fossa, Posterior; D003392:Cranial Sinuses / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D010690:Phlebography; D012535:Scalp