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Figure 1 | Journal of Orthopaedic Surgery and Research

Figure 1

From: Dynamic magnetic resonance imaging in assessing lung function in adolescent idiopathic scoliosis: a pilot study of comparison before and after posterior spinal fusion

Figure 1

Measurement of lung volumes by a semi-automated computerized method of delineating the lungs and summing cross-sectional areas. (a) On the coronal image of the lung, threshold signal intensity is selected to highlight the air in green (lung). (b) The total lung volume is calculated by summating the volume of all coronal sections of the lungs from the front to the back of the body.

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