The advent of the pneumoventriculogram has made it imperative that we have a clear mental picture of the contour of the normal cerebral ventricles. Studies to this end which formerly would have had merely an academic interest become now of direct practical value.
During the past year, in collaboration with Dr. Naffziger, an attempt has been made to supply a satisfactory visualization of the cerebral subarachnoid spaces.1 Celloidin casts were made for this purpose. For the present study similar casts of the cerebral ventricles have been made. In six out of fifteen injections, the casts were sufficiently complete to warrant careful study.
PREPARATION OF CASTS
The mass employed for the injection was a celloidin acetone camphor mixture. On account of the great viscosity of the injection mass pressures of from 200 to 400 mm. of mercury were required. Fresh human cadavers were used. After the necessary perforations
LOCKE E. STUDIES OF CASTS OF THE CEREBRAL VENTRICLES. Arch NeurPsych. 1926;15(5):588–596. doi:10.1001/archneurpsyc.1926.02200230053004
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