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Imaging features of musculoskeletal tuberculosis
Dimitri De Vuyst1, Filip Vanhoenacker, Jan Gielen
1Department of Radiology, AZ Sint-Maarten, Campus Duffel, Rooienberg 25, 2570 Duffel, Belgium.
European Radiology
|August 28, 2003
Summary
This review highlights imaging features of musculoskeletal tuberculosis, a common extrapulmonary TB site. Magnetic resonance (MR) imaging is crucial for diagnosing spinal tuberculosis and soft tissue involvement, aiding differential diagnosis.
Area of Science:
- Radiology
- Infectious Diseases
- Orthopedics
Background:
- Musculoskeletal tuberculosis accounts for one-third of extrapulmonary tuberculosis cases.
- Hematogenous spread is the primary mechanism for musculoskeletal TB.
- Common presentations include tuberculous spondylitis, arthritis, osteomyelitis, and soft tissue involvement.
Purpose of the Study:
- To review the imaging characteristics of musculoskeletal tuberculosis.
- To emphasize the diagnostic value of various imaging techniques.
Main Methods:
- Review of conventional radiography, CT, and MR imaging findings in musculoskeletal tuberculosis.
- Comparison of the utility of each modality for specific presentations.
Main Results:
- Conventional radiography is key for diagnosing tuberculous arthritis and osteomyelitis.
- MR imaging excels in detecting bone marrow and soft tissue abnormalities, particularly in spinal tuberculosis and soft tissue TB.
- CT is superior for visualizing calcifications in chronic tuberculous abscesses.
Conclusions:
- MR imaging is the preferred modality for diagnosing and staging spinal tuberculosis and soft tissue TB.
- MR imaging aids in differentiating tuberculous spondylitis from pyogenic spondylodiscitis.
- Radiography remains essential for tuberculous arthritis and osteomyelitis.