Bone infarct

Case contributed by Roberto Schubert
Diagnosis certain


Left knee pain. Known sickle cell disease.

Patient Data

Age: 35 years
Gender: Male

There are irregular, serpiginous abnormal signal lines observed within the medullary space of the distal of the femur. On PD images, there is a hyperintense line paralleling the inner surface of the hypointense line within the marrow.


A lucent lesion surrounded by shell-like sclerosis with a serpiginous border.

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