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18F-FDG PET/CT is effective in detecting primary paranasal sinus angiosarcoma and its distant metastases.
The study reports a rare case of primary paranasal sinus angiosarcoma with pulmonary metastases detected by 18F-FDG PET/CT. A 29-year-old woman presented with nasal congestion and rhinorrhea for 6 months. CT scanning showed a large mass in the right maxillary sinus, which had infiltrated the surrounding tissues. Subsequent evaluation by 18F-FDG PET/CT indicated numerous nodules in the lung, in addition to the paranasal sinus mass, which exhibited elevated FDG activity. Histologic examination after nasal endoscopic biopsy confirmed the diagnosis as primary paranasal sinus angiosarcoma with pulmonary metastases.
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Sun et al. (2015) studied this question.
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