Patient Data
Age: 8 years
Gender: Male
From the case:
Aneurysmal bone cyst of ischium
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Mild uptake of the radiopharmaceutical in left ischio-pubic region.
From the case:
Aneurysmal bone cyst of ischium
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Large expansile and lucent bone lesion in the inferior pubic ramus and ischium with internal septa. It well-defined margins and measures approximately 4.5 x 2.9 x 8.3 cm.
There are some areas of cortical interruption in its inferolateral aspect without overlying periosteal rnew bone formation.
No associated soft tissue abnormalities.
Preserved bone density.
Case Discussion
Septate and expansile - lucent lesion located in the left ischium/ inferior pubic ramus. There is a broad differential for this appearance, although aneurysmal bone cyst is high on the list.