Aneurysmal bone cyst

Case contributed by Dr Lawrence Chia Wei Oh

Presentation

left hip pain for 1 year

Patient Data

Age: 17
Gender: Female
X-ray

This x-ray demonstrates an area of lucency at the left femoral neck.

MRI

Patient went on to have MRI of left hip for further evaluation of the area of lucency

This MRI demonstrates a T1 hypointense and T2 hyperintense lesion in the neck of femur anteriorly with surrounding oedema. Cortical defect is also noted anteriorly. Extracortical collection (T1 and T2 hypointense) with surrounding rim enhancement is also noted extending through the cortical defect. These findings suggestive of a bone cyst complicated by fracture and hematoma.

Case Discussion

Patient subsequently underwent prophylactic pinning of her left neck of femur. Histology confirmed aneurysmal bone cyst.

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Case information

rID: 28998
Case created: 26th Apr 2014
Last edited: 18th Nov 2016
Inclusion in quiz mode: Included

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