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KMID : 0338420090240040343
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The Korean Journal of Internal Medicine
2009 Volume.24 No. 4 p.343 ~ p.349
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Chest Computed Tomography (CT) Immediately after CT-Guided Transthoracic Needle Aspiration Biopsy as a Predictor of Overt Pneumothorax
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Noh Tae-June
Lee Chang-Hoon
Kang Young-Ae
Kwon Sung-Youn
Yoon Ho-Il
Lee Jae-Ho
Lee Choon-Taek
Kim Tae-Jung
Lee Kyung-Won
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Abstract
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Background/Aims : This study examined the correlation between pneumothorax detected by immediate posttransthoracic needle aspiration-biopsy (TTNB) chest computed tomography (CT) and overt pneumothorax detected by chest PA, and investigated factors that might influence the correlation.
Methods: Adult patients who had undergone CT-guided TTNB for lung lesions from May 2003 to June 2007 at Seoul National University Bundang Hospital were included. Immediate post-TTNB CT and chest PA follow-up at 4 and 16 hours after CT-guided TTNB were performed in 934 patients.
Results: Pneumothorax detected by immediate chest CT (CT-pneumothorax) was found in 237 (25%) and overt pneumothorax was detected by chest PA follow-up in 92 (38.8%) of the 237 patients. However, overt pneumothorax was found in 18 (2.6%) of the 697 patients without CT-pneumothorax. The width and depth of CT-pneumothorax were predictive risk factors for overt pneumothorax.
Conclusions: CT-pneumothorax is very sensitive for predicting overt pneumothorax, and the width and depth on CTpneumothorax are reliable risk factors for predicting overt pneumothorax.
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KEYWORD
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Biopsy, needle, Pneumothorax, Tomography, X-ray computed, Risk factors
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