The MRI appearances of early vertebral osteomyelitis and discitis.

Abstract:

AIM:To describe the magnetic resonance imaging (MRI) appearances in patients with a clinical history suggestive of vertebral osteomyelitis and discitis who underwent MRI very early in their clinical course. MATERIALS AND METHODS:A retrospective review of the database of spinal infections from a spinal microbiological liaison team was performed over a 2 year period to identify cases with clinical features suggestive of spinal infection and an MRI that did not show features typical of vertebral osteomyelitis and discitis. All patients had positive microbiology and a follow up MRI showing typical features of spinal infection. RESULTS:In four cases the features typical of spinal infection were not evident at the initial MRI. In three cases there was very subtle endplate oedema associated with disc degeneration, which was interpreted as Modic type I degenerative endplate change. Intravenous antibiotic therapy was continued prior to repeat MRI examinations. The mean time to the repeat examination was 17 days with a range of 8-22 days. The second examinations clearly demonstrated vertebral osteomyelitis and discitis. CONCLUSION:Although MRI is the imaging method of choice for vertebral osteomyelitis and discitis in the early stages, it may show subtle, non-specific endplate subchondral changes; a repeat examination may be required to show the typical features.

journal_name

Clin Radiol

journal_title

Clinical radiology

authors

Dunbar JA,Sandoe JA,Rao AS,Crimmins DW,Baig W,Rankine JJ

doi

10.1016/j.crad.2010.03.015

subject

Has Abstract

pub_date

2010-12-01 00:00:00

pages

974-81

issue

12

eissn

0009-9260

issn

1365-229X

pii

S0009-9260(10)00218-7

journal_volume

65

pub_type

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