Source:http://linkedlifedata.com/resource/umls/id/C0007800
MSH: Radiography of the ventricular system of the brain after injection of air or other contrast medium directly into the cerebral ventricles. It is used also for x-ray computed tomography of the cerebral ventricles.,CSP: radiography of the ventricular system of the brain after injection of air or other contrast medium directly into the cerebral ventricles; also, x-ray computed tomography of the cerebral ventricles.