What Does Leptomeningitis Mean?

Leptomeningitis, which is more commonly referred to as meningitis, represents inflammation of the subarachnoid space (i.e. arachnoid mater

arachnoid mater
The subarachnoid space is the interval between the arachnoid membrane and the pia mater. It is occupied by delicate connective tissue trabeculae and intercommunicating channels containing cerebrospinal fluid (CSF) as well as branches of the arteries and veins of the brain. The cavity is small in the normal brain.
and pia mater) caused by an infectious or noninfectious process.

How do you get Leptomeningitis?

In lymphomatous leptomeningitis, cancer cells have spread from the original (primary) tumor to the meninges (thin layers of tissue that cover and protect the brain and spinal cord). The cancer may cause the meninges to be inflamed. Also called lymphomatous meningitis.

What is the difference between meningitis and Leptomeningitis?

(See Etiology and Presentation.) Anatomically, meningitis can be divided into inflammation of the dura (sometimes referred to as pachymeningitis), which is less common, and leptomeningitis, which is more common and is defined as inflammation of the arachnoid tissue and subarachnoid space.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.