Presentation
Unexplained right hip pain was referred for suspected osteochondritis dissecans.
Patient Data
Age: 15 years
Gender: Male
From the case:
Accessory superior acetabular notches
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Bilateral symmetric fluid-filled pits in the roof of the acetabulum with sharp margins. Conspicuous sickle-shape of these pits on transverse images.
No evidence of osteochondritis dissecans.
Case Discussion
Features consistent of accessory superior acetabular notches.
These notches are normal variants of the acetabulum, that can also be seen on radiographs and not infrequently lead to confusion, especially in radiographic studies of younger patients.
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