A patient with a chronic subdural hematoma may have a Parkinsonian syndrome that may reverse on removal of the hematoma.
Diagnostic features:
(1) presence of resting tremor, rigidity, bradykinesia and other features of a Parkinsonian syndrome
(2) presence of a chronic subdural hematoma
(3) improvement in the extrapyramidal findings after evacuation of the hematoma
A patient with Parkinson's disease is at increased risk for head injury associated with falls. A patient with Parkinson's disease could have worsening of symptoms in the presence of a subdural hematoma.
A patient may or may not have a history of head trauma. Remote head trauma is a possible cause of a Parkinson-like syndrome.
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