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MSK, Unknown Cases

Solution to Unknown Case #34 – Bosch Bock Bump (Healed Segond Fracture)

History: 50 year old man with knee pain. 

Bosch Bock Bump - Frontal radiograph of the knee reveals a bony excrescence at the lateral tibial rim (yellow arrow), compatible with a Bosch Bock bump, which is a healed Segond fracture.

Bosch Bock Bump – Frontal radiograph of the knee reveals a bony excrescence at the lateral tibial rim (yellow arrow), compatible with a Bosch Bock bump, which is a healed Segond fracture.

This is an excellent example of a Bosch Bock bump, which is a healed Segond fracture. This finding is nearly 100% specific for prior injury to the anterior cruciate ligament. A Segond fracture is an avulsion fracture of the lateral tibial capsular ligament at the lateral tibial rim (the area of the yellow arrow in the image above).

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About radiologypics

I am a radiology physician from California, USA.

Discussion

2 thoughts on “Solution to Unknown Case #34 – Bosch Bock Bump (Healed Segond Fracture)

  1. thnx alot sir fr diagnose

    Posted by vikrant rai | March 30, 2013, 5:54 pm

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