Cobb angle [Neurosurgery Wiki]

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====== Cobb angle ======
{{ ::cobb-angle.jpg|}}

see also [[C2-C7 angle]].
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The Cobb angle, named after the American orthopedic surgeon John Robert Cobb (1903–1967), was originally used to measure coronal plane deformity on antero-posterior plane radiographs in the classification of [[scoliosis]].

It has subsequently been adapted to classify sagittal plane deformity, especially in the setting of traumatic [[thoracolumbar spine fracture]]s.

In the setting of spine trauma and assessing sagittal plane deformity, the Cobb angle is defined as the angle formed between a line drawn parallel to the superior endplate of one vertebra above the fracture and a line drawn parallel to the inferior endplate of the vertebra one level below the fracture.

The Cobb angle is the preferred method of measuring post-traumatic [[kyphosis]] in a recent meta-analysis of traumatic spine fracture classifications.

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