Srb's anomaly

Case contributed by Dr Matt Skalski

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Patient Data

Age: 25
Gender: Male
X-ray

Bilateral osseous bridges are observed between the 1st and 2nd ribs, with a pseudoarticulation on the left. 

X-ray

The abnormality is outlined.

Case Discussion

Bony bridges of the ribs can be seen as a normal variant with no history of trauma (as in this case). This is known as Srb's anomaly.

This is most common between the 1st and 2nd ribs, and is typically unilateral. In this case, it is bilateral with a pseudoarticulation on the left. 

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Case information

rID: 21722
Case created: 13th Feb 2013
Last edited: 14th Jan 2017
System: Chest
Inclusion in quiz mode: Included

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