≤11 ribs (differential)

Last revised by Dr Rohit Sharma on 12 Sep 2021

≤11 ribs is associated with a number of congenital abnormalities and skeletal dysplasias, including:

However, it is important to note that up to 8% of individuals have been found to have 11 pairs of ribs, as an anatomic variant, without any apparent deleterious clinical sequelae 1.

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Cases and figures

  • Case 1: 11 pairs of ribs
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  • Case 2: 11 pairs of ribs and LSTV
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