H-shaped vertebra

Last revised by Dr Sonam Vadera on 20 Oct 2021

H-shaped vertebrae, also known as Lincoln log vertebrae, are a characteristic finding of sharply delimited central endplate depression, classically seen in approximately 10% of patients with sickle cell disease, and results from microvascular endplate infarction (Figure 1) 3.

It may occasionally be seen with other conditions such as Gaucher disease 1,2.

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Cases and figures

  • Figure 1: mechanism illustration
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  • Case 1: lateral radiograph
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  • Case 1: magnified view
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  • Case 2: AP view
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  • Case 3: PA chest radiograph - classic exam film
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  • Case 4
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  • Case 5
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  • Case 6
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  • Case 7
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  • Case 8
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  • Case 9
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