Synovial herniation pit

Case contributed by Thành Anh Lê
Diagnosis certain



Patient Data

Age: 55 years
Gender: Female

The left femur neck shows a lucent lesion with a thin sclerotic rim.

The rest of the bone shows normal.


The well-defined lesion at the anterosuperior aspect of the left femur neck demonstrates hypointense on T1W and hyperintense on T2W with a well-defined low signal periphery.

The rest of the bones and soft tissues appear normal.

Case Discussion

These imaging findings and location are typically indicative of a synovial herniation pit.

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