False positive detection of serum cryptococcal antigens due to insufficient sample dilution: A case series

Figure 1 High resolution computed tomography examination. A: High resolution computed tomography (CT) examination of the patient indicated multiple nodules in inferior lobe of left lung, one with a thick-walled cavity and one with nodules, suggesting granulomatous inflammation and the possibility of Cryptococcus; B: The lesions were enlarged, and internal cavity was narrowed compared to old CT photos; C: Tissue culture suggested Aspergillus spp.; D: The three times of chest CT reexamination after the treatment, all of which indicated that the infection lesions in inferior lobe of left lung were shrinking, suggesting that the treatment was effective.