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JAMA. 1918;70(21):1518. doi:10.1001/jama.1918.02600210008003.
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Spontaneous or natural pneumothorax is not an infrequent complication in pulmonary tuberculosis. Double spontaneous pneumothorax, however, is exceedingly rare. In a review of the indexed literature I was unable to find a single case report on record.

REPORT OF CASE  I. S., a man, aged 50 (Case 2714), a merchant, admitted, Jan. 2, 1917, presented a negative family history, aside from the fact that the father died of probable pulmonary tuberculosis. The patient had measles during childhood, but had made a good recovery with no complications. No other illness was noted until the onset of pulmonary tuberculosis about 1905. The type of onset was insidious, with anorexia, loss of weight, cough, expectoration, and night sweats. The patient later developed pain in the right axilla, and occasional streaked sputum. The sputum was found positive at that time. Since the onset in 1905, the patient had been subject to frequent colds and


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