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Nearly one-third of the patients with interstitial lung disease (ILD) require surgical biopsy for a definite diagnosis. Video-assisted thoracoscopic surgical (VATS) biopsy has replaced open lung biopsy, but the number of biopsy required to achieve an accurate diagnose is controversial.Our study aims to show that a well-planned single VATS biopsy is as effective as multiple biopsies for the accurate diagnosis of ILD by reduced days of hospital stay.We included 111 patients with suspected ILD who underwent VATS biopsy in our study. Patients were separated into three groups according to the number of biopsies obtained. The differences between groups for diagnostic yield, mean time for chest tube removal, perioperative complications, and approximate volume per biopsy were analyzed statistically.Eighteen single, 74 double, and 19 triple biopsies were made. Mean times of chest tube removal and hospital stay for single, double, and triple biopsy were 3.5, 4.8, and 6.1 days respectively. The number of biopsy and length of hospital stay was strongly related (Although classical knowledge suggests multiple biopsies from different locations of the lung are essential, recent reports have shown that the site and the number of biopsy are not as effective as previously thought in achieving the diagnosis for ILD. Our results show that a "single" biopsy, decided with multidisciplinary evaluation, is an effective and safe diagnostic tool, with lesser days of hospital stay.1. The classical knowledge that multiple biopsies should be taken from different regions of the lung in the diagnosis of interstitial lung diseases has changed over time.2. Diagnostic concordance between multiple biopsy specimens is above 85%.3. A "single" biopsy, decided with multidisciplinary evaluation, is an effective and safe diagnostic tool with lower days of hospital stay. |
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