PT - JOURNAL ARTICLE AU - Bertó Botella, Juan AU - López Zalduendo, Esmeralda AU - Gonzalez Gutierrez, Jessica AU - Sánchez Salcedo, Pablo AU - Rivera, Pilar AU - Campo, Arantxa AU - Alcaide, Ana Belen AU - De Torres, Juan Pablo AU - Martínez Urbistondo, Diego AU - Zulueta, Javier TI - PET and endobronchial ultrasound. SUV value of mediastinal lymph nodes suspicious for malignancy AID - 10.1183/13993003.congress-2015.PA4326 DP - 2015 Sep 01 TA - European Respiratory Journal PG - PA4326 VI - 46 IP - suppl 59 4099 - http://erj.ersjournals.com/content/46/suppl_59/PA4326.short 4100 - http://erj.ersjournals.com/content/46/suppl_59/PA4326.full SO - Eur Respir J2015 Sep 01; 46 AB - Using positron emission tomography (PET) in the diagnosis of suspected malignant lymph nodes in non-small cell lung cancer is well established. The main problem is that false positives values derived from SUV low (<3). The main objective of this study is to establish an optimal value for predicting malignancy. This is a retrospective analysis of 50 patients who underwent FNA of mediastinal lymphadenopathy endobronchial ultrasound guided. Anthropometric variables, six-minute walking test, pulmonary function tests were collected and and biopsied lymph nodes and values of SUV on PET of these lymph nodes were analyzed. A statistical study was performed with the SPSS statistics program. Analyzes of sensitivity, specificity and ROC curves were done. The minimum value of SUV was 1.80 and the maximum of 25.23. 21 cancers were diagnosed. ROC curve results and sensitivity study is shown in figure added. Using a range of from 2.5 SUV, in our cohort we have observed that a value of SUV of 2.5 had 85.7% sensitivity and 62.5% specificity (p <0.05) for the diagnosis of suspected malignant lymphadenopathy.