“…By using WB-MRI, extrathoracic organ involvement was detected in 38% of this nonselected patient group and this is in accordance with data obtained by PET/CT [8]. In agreement with previous PET studies [4,8,9], WB-MRI revealed the skeleton to be the most frequent site of extrathoracic involvement. Sarcoid muscular lesions were found in 13% of patients, supporting the assumption that muscular involvement is more frequent than clinically expected [10].…”