American Journal of Neuroradiology, Vol 16, Issue 10 2093-2100, Copyright © 1995 by American Society of Neuroradiology
ARTICLES |
Intractable hiccups: the role of cerebral MR in cases without systemic cause
K Marsot-Dupuch, V Bousson, J Cabane and JM Tubiana
Department of Radiology, Hopital Saint-Antoine, Paris, France.
PURPOSE: To look for central nervous system abnormalities as possible causes of intractable hiccups. METHODS: Of a series of 50 patients with chronic (ie, lasting more than 48 hours) hiccups, a prospective study identified a subgroup of 9 patients with no clinical or gastroesophageal abnormalities (according to endoscopy, pH monitoring and manometry). We performed in all 9 patients brain and upper cervical cord MR examination with precontrast and postcontrast T1- and T2- weighted sequences. A study of the last cranial nerves was done with thin T2-weighted imaging (constructive interference in a steady state sequence). The cervical cord and parapharyngeal space were systematically explored using coronal T2- and sagittal T1-weighted imaging. RESULTS: Five of these 9 patients had definite MR abnormalities located in the temporal lobe (3 cases), cerebellopontine angle (1 case), or areas of high signal intensity compatible with demyelination (1 case). The relationship between hiccups and infratentorial abnormalities in 2 cases was doubtful (vascular loop and prominent posterior condylar canal). MR findings in 2 cases were considered normal. CONCLUSIONS: Brain MR is a useful investigation in patients with chronic hiccups when gastroesophageal lesions are either excluded or too mild to account for an intractable hiccup.
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