Case: Paediatric radiograph #35623304
Paediatric Intermediate
Read this radiograph systematically before revealing the answer. What is the main abnormality?

Image: J. Lengerke via Wikimedia Commons · CC BY-SA 3.0 de · source · resized and converted to WebP
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Answer: Developmental dysplasia of the hip (DDH)
What to look for in developmental dysplasia of the hip (ddh)
- Shallow, steep acetabulum (increased acetabular index).
- Femoral head ossification centre small or displaced superolaterally, outside the inner lower quadrant formed by Hilgenreiner's and Perkin's lines.
- Disrupted Shenton's line. Ultrasound is preferred in young infants before the femoral head ossifies.
Description by the image author (may be in another language): oben: Dysplasie-Coxarthrose / unten: normales Hüftgelenk
Educational case. The diagnosis comes from the image's documented source; the "what to look for" list describes the condition in general and is not a report of this individual image.


