aneurysmatische Knochenzyste der Patella

Uncommon

cause for anterior knee pain - Aggressive aneurysmal bone cyst of the patella. Magnetic resonance imaging of the left knee. MRI of the left knee showing a hyperintense lesion within the inferior pole of the patella. (a) sagittal T1, (b) axial T1, and (c) axial T2 weighted sequences.

Uncommon

cause for anterior knee pain - Aggressive aneurysmal bone cyst of the patella. Computed tomography of the left knee. CT scan of the left patella showing an osteolytic lesion within the inferior pole of the patella. Note the cortical thinning/breakthrough as a sign for the aggressiveness of the lesion. (a) sagittal, (b) axial sequence.