π Normal
TECHNIQUE / POSITIONING
1π AP pelvis with both hips included
2π Proper positioning without pelvic rotation
3π Suboptimal positioning / rotation affecting assessment
FEMORAL HEAD OSSIFICATION
4π Femoral head ossification centers present and age appropriate
5π Delayed appearance of femoral head ossification
6π Asymmetrical femoral head ossification
ACETABULAR INDEX
7π Acetabular index within normal limits for age
8π Increased acetabular index
9π Markedly increased acetabular index
HILGENREINER & PERKINS LINES
10π Femoral head located in inferomedial quadrant
11π Femoral head displaced laterally
12π Femoral head displaced superolaterally
SHENTON’S LINE
13π Shenton’s line intact
14π Disruption of Shenton’s line
15π Gross disruption suggesting dislocation
HIP JOINT STABILITY
16π Stable hip joint
17π Subluxable / subluxated hip
18π Dislocated hip joint
TRIRADIATE CARTILAGE
19π Triradiate cartilage open and normal for age
20π Asymmetrical triradiate cartilage
21π Premature closure of triradiate cartilage
IMPRESSION
22π No radiographic evidence of DDH
23π Features suggestive of developmental dysplasia of the hip
24π Findings consistent with DDH with hip dislocation
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