Bel Marra Health | Lewy body dementia distinguished from Alzheimer's, Parkinson's disease by comparing clinical profiles: Study Bel Marra Health Diagnosis, Combination of tests must be used in order to properly diagnose Lewy body dementia as it may be confused with Parkinson's disease. With the presence of symptoms, your doctor may suspect you have Alzheimer's disease. Combination of tests ... Brain volume may help diagnose dementia with Lewy bodies Lack of brain shrinkage may help predict who develops dementia ... Lack of brain shrinkage may help identify people at risk for dementia with Lewy bodies |