Undiagnosed normal pressure hydrocephalus as a cause of diagnostic difficulties in a patient with depression.

Normal pressure hydrocephalus is characterized by gait disturbance, urinary incontinence, cognitive impairment, and the finding of ventriculomegaly in imaging studies. It is one of the causes of potentially reversible dementia. The authors present the case of a patient with depression complicated by hydrocephalus. The combination of symptoms led to a delay in proper diagnosis and treatment.