Key words: bronchoalveolar lavage fluid, chemokine CXCL11, interstitial lung diseases, systemic sclerosis

1Department of Medicine, Rheumatology Unit, University of Padova, Padova, Italy: 2Department of Medicine, Clinical Immunology Branch, University of Padova, Padova, Italy; 3Department of Medical Diagnostic Sciences and Special Therapies, Radiology Section, University of Padova, Padova, Italy; 4Department of Biomedicine, Division of Rheumatology, University of Florence, Florence, Italy. Paolo Sfriso, MD, PhD Franco Cozzi, MD Francesca Oliviero, PhD Francesco Caso, MD, PhD Student Silvia Cardarelli, MD Monica Facco, PhD Claudio Fittà, MD Angela Del Rosso, MD, PhD Marco Matucci-Cerinic, MD, PhD Leonardo Punzi, MD, PhD Carlo Agostini, MD, PhD Please address correspondence and reprint requests to: Paolo Sfriso, MD, PhD Rheumatology Unit, Department of Medicine, University of Padova, via Giustiniani 2, 35128 Padova, Italy. E-mail: [email protected] Received on September 29, 2010; accepted in revised form on April 16, 2012. Clin Exp Rheumatol 2012; 30 (Suppl. 71): S71-S75. © Copyright CLINICAL AND EXPERIMENTAL RHEUMATOLOGY 2012.