2. Faculty & Researcher Profiles - Stanford University Medical Center.
Histopathologic patterns observed in this study included leptomeningitis alone, leptomeningitis with cerebritis, leptomeningitis with cerebritis and infarcts, and the unusual pattern of disseminated miliary granulomas.
http://neurology.stanford.edu/profiles/frdActionServlet?choiceId=showPublicatio...

3. Anatomy Tables - Scalp, Cranial Cavity, Meninges & Brain -- Medical Gross Anatomy - Home
When it affects the dura mater, the disease is termed pachymeningitis, when the arachnoid and pia mater are involved, it is called leptomeningitis or meningitis proper. (Latin, cecum = blind) ethmoid.
http://anatomy.med.umich.edu/nervous_system/scalp_tables.html

4. Leptomeningitis -- Msu/com Kobiljak Centers
Hematogenous spread of organisms from primary infection in lungs or elsewhere in body; including infection by organisms in birth canal and aspiration of contaminated amniotic fluid. introduction of organism into CSF during lumbar puncture in...
http://kobiljak.msu.edu/cai/pathology/CNS_Infections_F/CNS_1c.html