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KMID : 0383819900370020140
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Tuberculosis and Respiratory Diseases
1990 Volume.37 No. 2 p.140 ~ p.145
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Characteristics of TBLB According to the Type of Pulmonary Lesion and Diagnostic Validity of Biplane-Fluoroscopy in TBLB
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현인규
정희순/김우성/정만표/한성구/심영수/김건열/한용철/현인규
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Abstract
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TBLB (transbronchial lung biopsy) is well-known as a valuable and relatively safe
diagnostic tool in both diffuse and localized lesion which is invisible on routine
bronchoscopy. To investigate the diagnostic validity of biplane-fluoroscopy in TBLB of
diffuse lesion and the diagnostic rate of TBLB according to the size of localized lesion,
we analysed 105 cases (54 cases of diffuse lesion and 51 cases of localized lesion) of
TBLB.
In diffuse pulmonary lesion, diagnostic rate of TBLB under the fluoroscopic guide was
85.7% and that of blind biopsy was 78.9%. The incidence of pneumothorax as
complication of TBLB was 5.7% with fluoroscopy, and 5.3% without it. Between the
presence and the absence of fluoroscopy, there was no significant difference (p>0.05) in
the rates of diagnosis and complication of TBLB. When TBLB was performed at
anterobasal segment of lower lobe, the diagnostic rate was significantly high(p<0.01). In
localized pulmonary lesion, the diagnostic rate of TBLB was 70.6% and the diagnostic
yield significantly increased (p<0.01) when the size of lesion was 3 ㎝ or more.
Pneumothorax was found in only 2.0%.
It can be concluded that biplane-fluoroscopy isn't an absolute prerequisite for TBLB
and the diagnostic rate might be maximized when TBLB is done at anterobasal segment
of lower lobe in diffuse pulmonary lesion. And it is anticipated that the diagnostic yield
of TBLB is better when the diameter of lesion is 3 ㎝ or more in localized disease.
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KEYWORD
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