Unicameral bone cyst

Case contributed by Naqibullah Foladi
Diagnosis almost certain

Presentation

Left shoulder pain

Patient Data

Age: 9 years
Gender: Male
mri

Large central expansile intra medullary abnormal signal intensity lesion in the metaphyso-diaphyseal region of the left humerus. 

It returns high signal in T2 weighted images and low signal in T1 weighted images with fluid-fluid level could be secondary to haemorrhage.

Irregularity of the lesion walls with surrounding muscular oedema in favour of semi recent fracture.  

Case Discussion

 
The features are compatible with unicameral bone cyst associated with sub acute fracture in the proximal metaphyso-diaphyseal region of left humerus and surrounding muscular oedema. 

 

 

This case is contributed by Dr. Naqibullah Foladi and Dr.Najibullah rasouly

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