Definition of leptomeningeal in US English:

leptomeningeal

adjective

Anatomy
  • See leptomeninges

    • ‘Dural, leptomeningeal, or ependymal enhancement are typical findings, none of which were present in this patient.’
    • ‘Tumor infiltration of leptomeningeal veins, cranial nerves, and spinal roots was also noted.’
    • ‘Melanin pigment, associated with melanocytes, is more typically leptomeningeal based, particularly in the ventral medulla and cervical spinal cord regions.’
    • ‘Gadolinium enhancement is useful for detecting dural or leptomeningeal involvement at the skull base.’
    • ‘Therefore, an MRI of the brain was performed, which demonstrated a small mass lesion in the left medial temporal lobe and suspicious leptomeningeal enhancement over both parietal regions.’

Pronunciation

leptomeningeal

/-ˌmenənˈjēəl/