Abstract
Pyogenic spondylodiscitis (PSD) is an infection of the intervertebral disk and adjacent vertebrae, which may also involve the paravertebral soft tissues. The incidence of PSD is increasing because of the growing number of elderly people and immunocompromised patients. Hematogeneous spread is by far the commonest route of spinal infection, due to the rich arterial supply of the vertebral body. PSD warrants early diagnosis and prompt treatment to prevent morbidity and mortality. Diagnosis is often challenging and requires a high index of clinical suspicion, blood and tissue cultures, appropriate imaging, and/or imaging-guided biopsy to enable an early diagnosis. This chapter aims to provide an overview of PSD, particularly its pathophysiology and imaging features. The roles of different imaging modalities such as radiography, computed tomography, magnetic resonance imaging (MRI), and nuclear scintigraphy are discussed, with a focus on MRI as the imaging modality of choice.
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Abbreviations
- CT:
-
Computed tomography
- FS:
-
Fat-suppressed
- MRI:
-
Magnetic resonance imaging
- STIR:
-
Short-tau inversion recovery
- T1-W:
-
T1-weighted
- T2-W:
-
T2-weighted
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Shikhare, S.N., Peh, W.C.G. (2021). Imaging of Hematogeneous Pyogenic Spondylodiscitis. In: Ladeb, M.F., Peh, W.C. (eds) Imaging of Spinal Infection. Medical Radiology(). Springer, Cham. https://doi.org/10.1007/978-3-030-70459-9_7
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