pneumoencephalogramn.
/ˌnjuːməʊɛnˈsɛfl̩əɡram/, /ˌnjuːməʊɛnˈkɛfl̩əɡram/, /ˌnjuːməʊɛŋˈkɛfl̩əɡram/, U.S. /ˌn(j)umoʊᵻnˈsɛfələˌɡræm/, /ˌn(j)umoʊɛnˈsɛfələˌɡræm/; see also encephalo- comb. form. Medicine.
A radiograph produced by pneumoencephalography.
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the world > health and disease > healing > diagnosis or prognosis > radiography or radiology > [noun] > an X-radiograph > of specific parts
pyelograph1913
pyelogram1914
ventriculogram1918
urogram1925
cholecystogram1927
encephalogram1928
arteriogram1929
sialogram1931
phlebogram1933
pneumoencephalogram1935
venogram1935
mammogram1937
myelogram1937
angiocardiogram1939
splenoportogram1953
placentogram1959
sinogram1961
phlebograph1967
mammograph1968
1935 Bull. Neurol. Inst. N.Y. 4 261 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.
1967 Arch. Neurol. 16 26/1 A pneumoencephalogram disclosed a normal ventricular system and normal subarachnoid pathways.
1973 Reader's Digest Apr. 194/2 Additional tests had to be made—an angiogram and perhaps a pneumoencephalogram.
1993 Pediatric Neurosurg. 19 151 Fifteen of 25..patients who had either a computed tomography scan or pneumoencephalogram had ventriculomegaly.
2002 Sci. Amer. June 82/1 A pneumoencephalogram was an early and painful imaging technique during which a physician would inject air into a patient's spinal fluid and then x-ray the brain to determine where the air traveled.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1935