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Specialized patient consult report I prepared on a 89-year old patient w/ NPH type Hydrocephalus. My report included a special method of analyzing serial CT brain images for ventriculomegaly vs. brain atrophy by important the images into a Word then PDF document. Hydrocephalus remains difficult to treat esp. in seniors when hydrocephalus can mask as brain atrophy. For evaluation of ventriculomegaly, it is critical to compare "like" cuts & images. CT imaging remains the standard in diagnosis of shunt malfunction and shunt performance. But it is an "indirect" measurement of shunt function. With further consideration of brain compliance in each patient, it is then possible to extrapolate physiologic CSF outflow by examination of the degree of arresting of the patient's complaints, changes in ventricular size, and the pressure flow characteristics of the CNS shunt valve. Some patients with poor brain compliance will not demonstrate any change in ventricular size following successful shunting. The neurosurgeon must then become a skillful engineer in extrapolating the necessary diagnostic information from these tests. ABOUT ME: Almost 40 years working w/ hydrocephalus (17 yrs in nuclear medicine imaging, 19 yrs as scientist/inventor, and 21 years now as a patient x12 revisions.) Inventor of the DiaCeph Test non-invasive test for hydrocephalus, currently seeking funding to develop as a mobile mHealth app. Diaceph diagnostics could also be pared with implantable telesensor results. It is amazing how one really comes to understand science & health when you not only research & work with it, but live it as well.