Which of the following structures is involved in the paramedian infarction of the base of the pons?
Anterior spinocerebellar tract
Descending trigeminal tract
Pyramidal tract
Rubrospinal tract
Base of the pons includes coicospinal (pyramidal), coicobulbar, coicopontine tracts, pontine nuclei, and transverse pontine fibers. so in paramedian infarction of base of pons coicospinal (pyramidal ) tract is affected.
Brainstem lesions and blood supply of CNS