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Unicameral bone cyst

Case contributed by Aneesh Km
Diagnosis certain

Presentation

Left upper limb pain

Patient Data

Age: 13 years
Gender: Female
x-ray

Large lucent lesion at the upper humeral metaphysis and shaft with pathological fracture and a displaced bone chip in its cavity giving fallen fragment sign.

ct

A typical unicameral bone cyst with fallen fragment sign. 

mri

A typical unicameral bone cyst with fallen fragment sign. 

Case Discussion

A typical unicameral bone cyst with fallen fragment sign

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