discitis
Pronunciation: dis-KYE-tis
Infection of the intervertebral disc space, often requiring surgical drainage and antibiotic therapy.
Full Definition
Discitis is an inflammatory condition affecting the intervertebral disc, most commonly caused by bacterial infection, though it can also result from autoimmune processes or be idiopathic. The condition typically presents with severe back pain, elevated inflammatory markers, and characteristic changes on MRI including disc space narrowing and endplate edema. Infectious discitis often spreads to involve adjacent vertebral bodies (spondylodiscitis) and may progress to epidural abscess formation if untreated. Management typically involves prolonged antibiotic therapy, and surgical intervention may be necessary for drainage, debridement, or spinal stabilization in severe cases.
Usage
Usage note: Specify infectious vs. sterile when etiology is known.
In Context
- "MRI findings were consistent with L4-L5 discitis with associated endplate changes." — Imaging interpretation
- "The patient underwent surgical debridement for severe discitis with epidural extension." — Operative indication