๐ Normal
TECHNIQUE / POSITIONING
1๐ AP pelvis with both hips included
2๐ Proper positioning without pelvic rotation
3๐ Suboptimal positioning / rotation affecting assessment
FEMORAL HEAD OSSIFICATION
4๐ Femoral head ossification centers present and age appropriate
5๐ Delayed appearance of femoral head ossification
6๐ Asymmetrical femoral head ossification
ACETABULAR INDEX
7๐ Acetabular index within normal limits for age
8๐ Increased acetabular index
9๐ Markedly increased acetabular index
HILGENREINER & PERKINS LINES
10๐ Femoral head located in inferomedial quadrant
11๐ Femoral head displaced laterally
12๐ Femoral head displaced superolaterally
SHENTON’S LINE
13๐ Shenton’s line intact
14๐ Disruption of Shenton’s line
15๐ Gross disruption suggesting dislocation
HIP JOINT STABILITY
16๐ Stable hip joint
17๐ Subluxable / subluxated hip
18๐ Dislocated hip joint
TRIRADIATE CARTILAGE
19๐ Triradiate cartilage open and normal for age
20๐ Asymmetrical triradiate cartilage
21๐ Premature closure of triradiate cartilage
IMPRESSION
22๐ No radiographic evidence of DDH
23๐ Features suggestive of developmental dysplasia of the hip
24๐ Findings consistent with DDH with hip dislocation
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