General Medical Information

Thrombosis of Lateral Pontine Branches

Frank E. Lucente
Samir Shah
Roger Kula

Thrombosis of lateral pontine branches involves the middle cerebellar peduncle, the superior olivary body, the facial nucleus, the vestibular and cochlear nuclei, and a portion of the motor and sensory nuclei of the trigeminal nerve. The deficit involves ipsilateral cranial nerves V, VII, and VIII and ipsilateral cerebellar ataxia. The patient frequently has contralateral diminution of pain, temperature, proprioception, and tactile sensation on the trunk and limbs.