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Article
May 1989

Lacunar Infarct of the Tegmentum of the Lower Lateral Pons

Author Affiliations

From the Neurology Service, Massachusetts General Hospital, Boston.

Arch Neurol. 1989;46(5):566-567. doi:10.1001/archneur.1989.00520410102031
Abstract

• A stroke with a somewhat unusual neurologic formula was correlated with a small linear high-intensity T2 focus in the lateral tegmentum of the lower third of the pons. The clinical features included dysarthria, staggering gait, incoordination of handwriting, right facial weakness, nystagmus, ocular overshoot, right appendicular ataxia, and left-sided dissociated sensory loss for pain and temperature. Lacunar lesions of the tegmentum in the region of the pontomedullary junction, while not uncommon, have not been studied pathologically and have not been reported in the magnetic resonance imaging literature, to my knowledge.

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