Cobb angles in kyphoscoliosis

Schematized posteroanterior chest radiograph (left) demonstrates the lines constructed to measure the Cobb angle of scoliosis. Schematized lateral chest roentgenogram (right) shows the Cobb angle of kyphosis.

Adapted from McCool, FD, Rochester, DF. The lungs and chest Wall diseases. In: Textbook of Respiratory Medicine, 2nd ed, Vol 2, Murray, JF, Nadel, JA (Eds), W.B. Saunders, Philadelphia 1994.

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