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American Journal of Roentgenology, Vol 154, 45-46, Copyright © 1990 by American Roentgen Ray Society

ARTICLES

CT and chest radiography are equally sensitive in the detection of pneumothorax after CT-guided pulmonary interventional procedures

FB Murphy, WC Small, RD Wichman, M Chalif and ME Bernardino
Department of Radiology, Emory University Hospital, Atlanta, GA 30322.

Pneumothorax is the most common complication after CT-guided pulmonary interventional procedures and should be promptly diagnosed and treated. Because it is easier to obtain CT scans than chest radiographs after CT- guided interventional procedures, it is important to know the sensitivity of CT in detecting pneumothoraces. To determine the sensitivity of CT for detecting procedure-induced pneumothoraces, we retrospectively reviewed 70 pulmonary interventional procedures performed under CT guidance. The sensitivity for detecting pneumothoraces with CT was compared with the detection rate with expiratory chest radiographs. Thirty-two (46%) of 70 procedures resulted in pneumothorax. Twenty-nine (91%) of the pneumothoraces were detected on CT scans and 27 (84%) were detected on chest radiographs. The difference between these two detection rates was not statistically significant (p less than .90). We conclude that postprocedure CT scans can replace expiratory chest radiographs for the detection of pneumothoraces after CT-directed pulmonary procedures.
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Copyright © 1990 by the American Roentgen Ray Society.