from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to the leptomeninges
from The Century Dictionary and Cyclopedia
- Relating to the pia mater and the arachnoid membrane.
Sorry, no etymologies found.
A case of leptomeningeal carcinomatosis in a patient with known brain and lung metastases from renal cell cancer without previous systemic therapy is presented.
CAA is characterized by the deposition of ß-amyloid protein in the tunica media and adventitia of the leptomeningeal and cortical arteries, arterioles, and capillaries (Fig. 2) [13,14].
Patients have CNS symptoms as well as cerebral vasculitis by angiography and leptomeningeal biopsy.
Inflammatory etiology with TB can be suggested by sepate, flow signal aberrations and leptomeningeal enhancement apart from brain findings.
Clinical History • 37-year-old woman with hypertension, hypothyroidism, and persistent headache for six months after a motor vehicle accident • Neuroimaging: Diffuse leptomeningeal thickening; expansive intra-axial mass in distal thoracic spinal cord • Seizure followed by coma; extreme elevation of intracranial pressure • Autopsy: Diffuse leptomeningeal oligodendrogliomatosis with an intramedullary spinal cord component » Right optic nerve involved by leptomeningeal oligodendrogliomatosis » Incidental 3.0 x 2.5 x 1.0 mm tumor in left choroid posteriorly Proia / DUMC 2009