Recurrent syncope as a manifestation of a dopamine-secreting glomus vagale tumor
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Catecholamine-secreting tumors are a rare cause of syncope.1 We report a case of a dopamine-secreting glomus vagale tumor with detailed clinical and radiologic evaluation and successful pharmacologic treatment. We evaluated a 71-year-old man with a 2.5-year history of episodes of loss of consciousness, all witnessed by members of his family. The first occurred while he was skiing at high altitude. Since then, he had experienced at least 6 similar events. Most episodes occurred in the standing position and were characterized by prodromal lightheadedness, nausea, vomiting, diaphoresis, and occasionally flushing or pallor, followed by loss of consciousness and collapse. The episodes lasted for a few seconds and were followed by rapid recovery. There were no tonic or clonic jerks, tongue biting, or urinary incontinence; however, some episodes were associated with fecal incontinence. The patient had also experienced episodes of headache and vertigo, some preceding syncopal events. Neurologic review of systems was otherwise negative.
Case report.
The patient had extensive negative evaluations, including …
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