Abstract
Sixteen cases of blunt trauma resulting in surgically confirmed traumatic rupture of the right hemidiaphragm were reviewed from the Trauma Registry of Allegheny General Hospital. Only 10 of the 16 cases (63%) could be retrospectively diagnosed on chest radiographs. We found that a diagnosis of right-sided diaphragmatic rupture can be suggested when the apex of the right hemidiaphragm is shifted superomedially to a position approximately midway between the mediastinum and the right chest wall. Eight of these 10 cases with positive chest radiographic findings exhibited this superomedial shift of the diaphragmatic apex. On initial assessment, without using this sign, 5 of these 10 cases were not diagnosed. We feel that the combination of elevation of the right hemidiaphragm in association with a medial shift of the apex of that diaphragmatic dome in a patient who has suffered extensive blunt thoracoabdominal trauma is strongly suggestive of traumatic rupture of the diaphragm.
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