الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
MRI is a valuable imaging modality in the assessment of non-traumatic musculoskeletal lesions because it allows evaluation of osseous structures, extra-articular soft tissues, and articular structures. MRI should be done early in patients with persistent pain and normal radiographic features.
Non-traumatic musculoskeletal lesions include: septic arthritis, osteomyelitis and stress & pathologic fractures, osteonecrosis, rhabdomyolysis, necrotizing fasciitis, compartment syndrome and pyomyositis where prompt diagnosis and intervention usually lead to an improved outcome.
MRI has peculiar benefits and advantages over other techniques in being non-invasive, radiation free, superb soft tissue contrast, multiplanar imaging abilities and high sensitivity, MRI is currently becoming progressively valuable in the diagnosis and management of pediatric hip lesions due to multiple benefits that are significant in the pediatric patients.
Magnetic resonance imaging is done to investigate avascular necrosis in its primary phases, thus permitting early management and intervention to avoid or delay ensuing bone destruction. It is noted to be the most sensitive technique for AVN. Synovial proliferation and joint effusions can be well detected by MRI than by conventional radiography such as Legg calve Perth’s and infectious diseases of hip, MRI also assists in better staging of the disease, evaluating the degree of pathological involvement and soft tissue spread.
Furthermore, MRI is tremendously sensitive to changes in the bone marrow that may signify pathology occult to conventional radiography of the hips.
The current study included 25 patients with non-traumatic musculoskeletal lesions. All patients underwent history taking, clinical examination and imaging in the form of MRI studies.
A male preponderance with a male to female ratio of 2.5:1 was noted. The age group which was most affected was 20-40 years which accounted for 44% of the patients. Their mean age (± SD) at diagnosis was 40.4 (19.25) years.
Majority (68%) of the patients presented with pain as the chief complaint, 16% patients presented with swelling as the main complaint, while only 12% complained of limited mobility.
The most common pathology encountered in the study was osteomyelitis 28% followed by osteonecrosis 20% and septic arthritis 16%.
Magnetic resonance imaging is the technique of preference for early detection of acute osteomyelitis, BME is the initial finding of acute osteomyelitis observed and can be depicted as early as one to four days after the start of the disease, and has a very high sensitivity for the detection of osteomyelitis; basically, a normal MRI study almost excludes osteomyelitis. MRI is also valuable for directing patient treatment plan and to evaluate the possible complications.