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Arch Surg. 1950;60(6):1154-1160. doi:10.1001/archsurg.1950.01250011179012.
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ALTHOUGH eventration of the diaphragm has been recognized as an entity since Petit's1 description in 1774, it has been considered a clinical and pathologic curiosity worthy of repeated description and review but of no real importance. Until Bisgard's2 article in 1947, operative correction of the lesion had been reported in 6 patients, all adults. Bisgard, however, recognized the significance of the abnormality and performed an operative repair in an infant. Operative repair has subsequently been performed in children by State and by me.

Thoma3 in 1882 suggested that the lesion of eventration of the diaphragm was a congenital one and presented several proofs of his contention which have gained validity in the intervening years; it is to these that I wish to add emphasis and reenforcement. Furthermore, if this condition is a congenital one, if it is or can be injurious to health and to normal development


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