Abstract
We report two patients with avoidance of swallowing saliva despite intact swallowing functions. One, with mild, de novo Parkinson's disease, had a fear that his saliva was contaminated and would harm him. The other, with a history of CNS germinoma in remission for 3 years following chemotherapy, expectorated because his saliva was distasteful and disgusting. He had a lesion involving the left pallidum. Both appeared obsessed with the idea of saliva contamination and both expectorated compulsively, presenting obsessive–compulsive disorder (OCD) symptoms. OCD-like behavior may be induced in association with pathological conditions in which aberrant basal ganglia functions are present.
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