A four-year-old boy with sacrococcygeal endodermal sinus tumour. Blood culture grew Peiciliomyces lilacinus. (a) CT lungs showed tiny nodular lesions, presumed involvement of lungs by fungus. (b) After two weeks of anti-fungal therapy, CT showed the lung lesions had increased in size and number. (c) CT lungs after two months of continuous anti-fungal therapy showed more and larger lesions, which were likely to be metastases.

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