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ARTICLE |

DEFECTS IN RIGHT DIAPHRAGM OF INFANTS AND CHILDREN WITH HERNIATION OF LIVER

MARK M. RAVITCH, M.D.; JACOB C. HANDELSMAN, M.D.
AMA Arch Surg. 1952;64(6):794-802. doi:10.1001/archsurg.1952.01260010814011.
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HEMISPHERICAL bulging of a portion of the right diaphragm into the thorax has been revealed roentgenologically in children in a significant number of cases. In the isolated instances in which this type of abnormality has been reported previously,1 it has usually been described as an eventration. The use of this term has done little to aid in the understanding of the clinical significance of this abnormality. A large group of cases in which the abnormality has ordinarily been described as an eventration is that in which diaphragmatic elevation has occurred secondary to phrenic palsy. Other allusions to eventration refer to the extremely rare situation in which one side of the diaphragm is entirely replaced by a thin membrane containing no muscle. If, however, one considers such a transformation as affecting only a portion of the diaphragm, with bulging upward of the membrane, the condition is anatomically indistinguishable from a

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