Journal article

Intractable vomiting due to a brainstem lesion in the absence of neurological signs or raised intracranial pressure.

SD Mann, BJ Danesh, MA Kamm

Gut | Published : 1998

Abstract

The case of a 30 year old man who was believed to have a gastrointestinal motility disorder causing his chronic vomiting is reported. He had been well until 21 months previously when he had developed recurrent vomiting which would occur up to 10 times in a 24 hour period. Vomiting was not precipitated by eating and was not associated with any other symptoms. He had lost 25 kg in weight. A psychiatric assessment did not reveal a psychogenic cause for his vomiting. A brainstem magnetic resonance imaging scan revealed an area of low signal in the low midbrain just above the pons to the left of the midline. After gadolinium contrast injection the area enhanced. There was little or no mass effect..

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