ABCs

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Systematic Evaluation : 

Systematic Evaluation of Radiographs

Objectives : 

Objectives Describe the ABCs approach to radiographic evaluation of the musculoskeletal system Apply the ABCs to selected examples Describe systematic evaluation of fractures Practice fracture evaluation of the hand, wrist, and distal forearm

Radiographic ABCs : 

Radiographic ABCs systematic approach for the evaluation of bones and joints

Alignment : 

Alignment Bone density Cartilage Soft tissue

Slide 5: 

Asymptomatic 10-year-male General skeletal

Slide 6: 

Contour of bone 80 y/o female with shoulder pain Rotator cuff tear with cuff arthropathy.

Relative position of bones : 

Relative position of bones Ulnar deviation associated with RA

Alignment : 

Alignment Bone density Cartilage Soft tissue

Slide 9: 

Osteoporosis - indistinct cortices Note distinction between cortex- trabecular bone

Slide 10: 

Texture

Slide 11: 

↓Radiodensity - enchondromatosis

Alignment : 

Alignment Bone density Cartilage Soft tissue

Slide 13: 

↓Joint space Other: Osseous hypertrophy Buttressing Subchondral sclerosis * * * *

Alignment : 

Alignment Bone density Cartilage Soft tissue

Slide 15: 

Osseous sarcoid: osteoporosis and soft-tissue swelling