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Compression of the third or fourth part of the duodenum by the superior mesenteric artery or one of its branches is the anatomic basis for some cases of duodenal obstruction. Two cases of vascular obstruction of the duodenum after surgical correction of scoliosis are presented. The embryologic and pathoanatomic bases for this condition, and the rationale for treatment, are described.
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Moskovich et al. (1986) studied this question.
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