We report a case of necrotizing pneumonia due to Penicillium chrysogen
um in a 57-year-old woman operated on for lung cancer. The residual ri
ght lower pulmonary lobe was infiltrated by Penicillium chrysogenum. T
he patient underwent a second pulmonary right lobectomy and was succes
sfully treated with oral itraconazole. To our knowledge, this is the f
irst case of pneumonia due to P. chrysogenum.