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October 25, 1976

Traumatic Lung Cysts

Author Affiliations

From the Department of Radiology, Southern Nevada Memorial and Desert Springs Hospitals, Las Vegas, Nev.

JAMA. 1976;236(17):1976-1977. doi:10.1001/jama.1976.03270180052024

MANY physicians are not aware that an acute lung cyst may occur almost immediately following closed-chest trauma. Failure to arrive at a correct diagnosis will cause confusion and may lead to unnecessary studies and even unwarranted surgery.

Report of Cases 

Case 1.—  A 6-year-old boy was brought to the emergency room on Sept 27, 1973, one hour after falling against the edge of a table and striking the right upper chest. Physical examination showed slight swelling and abrasion of the right chest that measured approximately 2 cm in diameter, with surrounding tenderness and some subcutaneous crepitus. There was some pain on the right side that increased with inspiration, but there was no dyspnea nor cough. Examination of the heart and lungs detected no abnormalities.Chest roentgenograms taken less than two hours after the injury showed a traumatic right lung cyst with an air-fluid level and considerable surrounding hemorrhage but no