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January 13, 1934


Author Affiliations

Lincoln, Neb.

JAMA. 1934;102(2):148. doi:10.1001/jama.1934.02750020060025

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To the Editor:—  In the interesting and rare case reported by Drs. C. R. Smith and H. S. Willis in The Journal, Oct. 14, 1933, page 1224, there evidently was no communicatio̧n between the two pleural cavities, contrary to the conclusions of the authors. Instead there was a mediastinal hernia of the right lung invading the left hemithorax to an unusual extent; the pneumothorax needle repeatedly inserted into the left side of the chest was really in the right pleural cavity each time. The roentgenograms submitted by the authors show the mediastinal hernia of the right lung—it nearly reaches the left axilla. The roentgen examinations following the injection of air into the left side of the chest showed "no collapse of the left lung, but the right lung was entirely separated from the chest wall." The manometric readings made with two needles, one in the left side and one in

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