Sarcomatoid carcinoma of the lung mimics aspergilloma on ¹⁸F-FDG PET/CT

Yiqiu Zhang, Beilei Li, Hongcheng Shi, Liang Cai, Yushen Gu
Hellenic Journal of Nuclear Medicine 2015, 18 (3): 268-70
Primary PSC in the lung is a rare malignant cancer that represents a particularly aggressive subtype of non-small cell lung carcinomas (NSCLC) containing sarcoma or sarcoma-like components with spindle or giant cell features. The medical literature referring to imaging characteristics by fluorine-18-fluorodeoxyglucose (¹⁸F-FDG) positron emission tomography/computed tomography (PET/CT) of these tumors is very limited. We present a case of PSC with air crescent and halo signs that resemble aspergilloma on the ¹⁸F-FDG PET/CT, scan.

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