TY - JOUR T1 - Authors' response JF - Thorax JO - Thorax SP - 1096 LP - 1097 DO - 10.1136/thx.2011.159558 VL - 66 IS - 12 AU - Monica Facco AU - Anna Cabrelle AU - Carlo Agostini Y1 - 2011/12/01 UR - http://thorax.bmj.com/content/66/12/1096.2.abstract N2 - We thank Dr Brodlie and coworkers for their letter1 and fully agree on the necessity to evaluate whether cells other than lymphocytes and macrophages are involved in IL-17 release in sarcoid lungs. The main manifestation of sarcoidosis is an accumulation of mononuclear inflammatory cells, mostly CD4+ T cells and monocytes/macrophages in involved organs, including the lungs.2 As specified in our ‘Materials and methods’ section, we evaluated cells obtained by filtering bronchoalveolar lavage (BAL) fluid through gauze. A standard morphological and immunological analysis of BAL cellular components was performed. The … ER -