{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T19:53:15Z","timestamp":1781121195738,"version":"3.54.1"},"reference-count":17,"publisher":"FapUNIFESP (SciELO)","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. bras. pneumol."],"abstract":"<jats:p>ABSTRACT  Objective: Previous studies have demonstrated that closed pleural biopsy (CPB) has a sensitivity of less than 60% for diagnosing malignancy. Therefore, controversy has recently emerged regarding the value of CPB as a diagnostic test. Our objective was to assess the accuracy of CPB in diagnosing malignancy in patients with pleural effusion.  Methods: This was a prospective 8-year study of individuals who underwent CPB to establish the etiology of pleural effusion. Information on each patient was obtained from anatomopathological reports and medical records. When CPB findings showed malignancy or tuberculosis, the biopsy was considered diagnostic, and that was the definitive diagnosis. In cases in which biopsy histopathological findings were nonspecific, a definitive diagnosis was established on the basis of other diagnostic procedures, such as thoracoscopy, thoracotomy, fiberoptic bronchoscopy, biochemical and cellular measurements in pleural fluid, and\/or microbiological tests. The accuracy of CPB was determined with 2 \u00d7 2 contingency tables.  Results: A total of 1034 biopsies from patients with pleural effusion were studied. Of those, 171 (16.54%) were excluded from the accuracy analysis either because of inadequate samples or insufficient information. The results of the accuracy analysis were as follows: sensitivity, 77%; specificity, 98%; positive predictive value, 99%; negative predictive value, 66%; positive likelihood ratio, 38.5; negative likelihood ratio, 0.23; pre-test probability, 2.13; and post-test probability, 82.  Conclusions: CPB is useful in clinical practice as a diagnostic test, because there is an important change from pre-test to post-test probability.<\/jats:p>","DOI":"10.1590\/s1806-37562016000000323","type":"journal-article","created":{"date-parts":[[2018,1,11]],"date-time":"2018-01-11T04:33:56Z","timestamp":1515645236000},"page":"424-430","source":"Crossref","is-referenced-by-count":5,"title":["Accuracy of closed pleural biopsy in the diagnosis of malignant pleural effusion"],"prefix":"10.1590","volume":"43","author":[{"given":"Renata","family":"B\u00e1ez-Salda\u00f1a","sequence":"first","affiliation":[{"name":"Instituto Nacional de Enfermedades Respiratorias,  M\u00e9xico; Universidad Nacional Aut\u00f3noma de M\u00e9xico,  Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Uriel","family":"Rumbo-Nava","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Enfermedades Respiratorias,  M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Araceli","family":"Escobar-Rojas","sequence":"additional","affiliation":[{"name":"Universidad Nacional Aut\u00f3noma de M\u00e9xico,  Mexico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patricia","family":"Castillo-Gonz\u00e1lez","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Enfermedades Respiratorias,  M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Santiago","family":"Le\u00f3n-Due\u00f1as","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Enfermedades Respiratorias,  M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Teresa","family":"Aguirre-P\u00e9rez","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Enfermedades Respiratorias,  M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda Eugenia","family":"V\u00e1zquez-Manr\u00edquez","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Enfermedades Respiratorias,  M\u00e9xico"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"530","published-online":{"date-parts":[[2017,12]]},"reference":[{"issue":"9366","key":"ref1","doi-asserted-by":"crossref","first-page":"1326","DOI":"10.1016\/S0140-6736(03)13079-6","article-title":"Davies RJ Standard pleural biopsy versus CT-guided cutting-needle biopsy for diagnosis of malignant disease in pleural effusions: a randomised controlled trial","volume":"361","author":"Maskell NA","year":"2003","journal-title":"Lancet"},{"issue":"6","key":"ref2","first-page":"1041","article-title":"Pleural controversies image guided biopsy vs. thoracoscopy for undiagnosed pleural effusions?","volume":"7","author":"Dixon G","year":"2015","journal-title":"J Thorac Dis"},{"issue":"9","key":"ref3","doi-asserted-by":"crossref","first-page":"1107","DOI":"10.1001\/jama.1958.72990260005011a","article-title":"New pleural biopsy needle; 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