title: Posterior fossa cyst demonstrated by isotope cisternography.
mesh_terms: D000328:Adult; D001927:Brain Diseases / Q000175:diagnosis*; D002946:Cisterna Magna; D003388:Cranial Fossa, Posterior; D003560:Cysts / Q000175:diagnosis*; D006801:Humans; D008297:Male; D004369:Pentetic Acid; D011868:Radioisotopes; D011877:Radionuclide Imaging; D015018:Ytterbium
chemical_list: D011868:Radioisotopes; D004369:Pentetic Acid; D015018:Ytterbium