ˌpneumoenˈcephalogram Med.
Also pneumenˈcephalo-.
[f. as next: see -gram.]
An X-ray taken by pneumoencephalography.
| 1935 Bull. Neurol. Inst. N.Y. IV. 261 In cases in which a septum pellucidum is present this structure forms in the anteroposterior and posteroanterior views of the pneumencephalograms a well demarcated vertical linear shadow. 1973 Reader's Digest Apr. 194/2 Additional tests had to be made—an angiogram and perhaps a pneumoencephalogram. |