[Roentgenological and pathological findings in 22 cases of secondary fungus ball of pulmonary aspergillosis].

Twenty-two cases of secondary fungus ball of pulmonary aspergillosis defined by operation were reported. All cases were referred with incorrectly diagnosis to the authors and only 45.3% were correctly diagnosed before operation. The roentgenological and pathological findings were studied. The results show that not familiar with non-typical appearance is the most common cause for incorrect diagnosis.