Dementia other imaging findings

Dementia Microchapters

Patient Information

Overview

Classification

Causes

* Alzheimer's Disease
* Parkinson's Disease
* Binswanger's Disease
* Dementia with Lewy bodies
* Thiamine deficiency
* Vascular dementia
* Marijuana abuse
* AIDS
* Neurosyphilis
* Normal pressure hydrocephalus
* Vitamin B12 deficiency
* Vitamin B6 deficiency

Differential Diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

## Overview

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Recently, the functional neuroimaging modalities of SPECT and PET have shown quite similar ability to diagnose dementia as clinical exam [1]. SPECT's ability to differentiate vascular type from Alzheimer disease types of dementias appears to be superior to clinical exam.[2]

## SPECT and PET

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PET, positron emission tomography and SPECT, single-photon emission computed tomography narrow down the differential diagnosis of dementias but in most cases show almost same findings as that of CT and MRI.

## References

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1. ↑ Bonte FJ, Harris TS, Hynan LS, Bigio EH, White CL (2006). "Tc-99m HMPAO SPECT in the differential diagnosis of the dementias with histopathologic confirmation". Clinical Nuclear Medicine. 31 (7): 376–8. doi:10.1097/01.rlu.0000222736.81365.63. PMID 16785801. Retrieved 2012-08-30. Unknown parameter `|month=` ignored (help)CS1 maint: Multiple names: authors list (link)
2. ↑ Dougall NJ, Bruggink S, Ebmeier KP (2004). "Systematic review of the diagnostic accuracy of 99mTc-HMPAO-SPECT in dementia". The American Journal of Geriatric Psychiatry : Official Journal of the American Association for Geriatric Psychiatry. 12 (6): 554–70. doi:10.1176/appi.ajgp.12.6.554. PMID 15545324. `|access-date=` requires `|url=` (help)CS1 maint: Multiple names: authors list (link)

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