• Diagnostic and therapeutic
aureus, Mycobacterium tuberculosis
and specific diagnostic – best results MR – high
diagnostic accuracy (ca. 90%)
Pathology - MRI
1. Medullar inflammation
• leukocytes infiltration
2. Abscess Brodie (chronic evolution)
Infection spread to the cortical
form with overproduction of bone
acute osteomyelitis, arthritis and pyomyositis
|• marrow signal
changes: hipo T1, hyper STIR, contrast enhanced (Se 98%, Sp 75%)|
the morphologic appearance depending on:
– duration of infection
uncomplicated septic arthritis may cause signal intensity changes in
adjacent bone marrow (edema, hyperemia)
a variety of noninfectious diseases may exactly mimic the signal
changes and morphologic appearance of actively infected bone.
WA. Radiology 1991.
Chronic osteomyelitis with bone
ostemyelitis, sinus tract
35 y. Chronic ostoemyelitis after tibial spine fractures with bone
abscess and sinus tract.
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