Question
All are reversible causes of dementia except
A. Hypothyroidism
B. Hydrocephalus
C. Meningoencephalitis
D. Alzheimer’s disease
Show Answer
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Correct Answer » D
Explanation
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Ans. ‘D’ i.e., Alzheimer’s disease
Reversible causes of dementia
* Surgically treatable:- Normal pressure hydrocephalus, brain tumors (frontal lobe tumor), meningioma, subdural hematoma due to head injury, hydrocephalus.
* Medically treatable:- Depression, hypothyroidism, alcohol abuse, vitamin B 12/folate/Niacin deficiency, any metabolic or endocrine disturbance, neurosyphilis, Hashimoto’s encephalopathy, Wilson’s disease, celiac disease, Whipple’s disease, chronic meningoencephalitis, drugs and toxin (toxic dementia).
Irreversible causes of dementia:–
* Alzheimer’s disease, vascular (multi-infarct) dementia, Parkinsonism, Huntington’s chorea, Lewy body dementia, Pick’s disease.
