PMC9175977_01
FDG-PET/CT obtained on patient presentation. (a) Left medium-sized pleural effusion. (b) FDG uptake in the left basal dorsal pleura.
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PMC9175977_01_acmi-4-0328-g001.jpg
F1
An FDG-PET/CT was performed, which showed a left pleural effusion with FDG-avid thickening of the basal dorsal pleura (shown in Fig. 1).
HE stain of the pleural biopsies obtained from thoracoscopy. (a) Well-formed epithelioid and giant cell granulomas (x5). (b) Tiny foci of central necrosis (arrow) (x20).
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PMC9175977_01_acmi-4-0328-g002.jpg
F2
Pleural biopsies were taken, which demonstrated well-formed epithelioid and giant cell granulomas with tiny foci of central necrosis in some of them, consistent with granulomatous pleuritis (shown in Fig. 2).