TABLE 4.

Recommendations from CCCDTD2 about CT scan needed if:

age less than 60 years rapid (e.g., 1 or 2 months) unexplained decline in cognition or function “short” duration of dementia (less than 2 years) recent and significant head trauma unexplained neurological symptoms (e.g. new onset of severe headache or seizures) history of cancer (especially in sites and types that metastasize to the brain) use of anticoagulants or history of bleeding disorder history of urinary incontinence and gait disorder early in the course of dementia (as may be found in normal pressure hydrocephalus) any new localizing sign (e.g., hemiparesis or a Babinski reflex) unusual or atypical cognitive symptoms or presentation (e.g. progressive aphasia) gait disturbance