MSK Search pattern
John C.S. Cho, DC
Department of Radiology
Logan College of Chiropractic
1. 25 y.o male with LBP
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2. 50 y.o female asymptomatic
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4. Multiple joint pain
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5. 45 y.o male neck pain
6. 11 y.o male with left leg pain
1. Ankylosing Spondylitis
•M:F= 3:1-10:1•HLA-B 27 in 96%•“Dagger sign”•“Trolley-track sign”
2. Paget’s disease
Elevated alkaline phosphatase; normal/hypercalcemia; hydroxyproline
3 phases Cx- malignant
degeneration (~1%) Osteosarcoma>
fibrosarcoma, MFH, chondrosarcoma
3. Jones fx.
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•1.5 cm distal to the 5th metatarsal tuberosity
4. Rheumatoid Arthritis
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5. Plasmacytoma
Malignant proliferation of plasma cell
Early stage of multiple myeloma
Bence Jones proteinuria; A/G ratio; Hypercalcemia; normochromic normocytic anemia
20% 5-yr survival rate
6. Osteosarcoma
10-25; 60-75 Lung
metastases (15%); Skeletal mets uncommon
Malignant degeneration from radiation, paget’s
References:
University of Washington: www. rad.washing.edu Learning Radiology