case_images: PMC2797374_01
case_images: Axial (a) and sagittal (b) CT images demonstrate a lesion in the upper lobe of the left lung invading pleura and adjacent ribs (arrows).
case_images: CRM2009-517329.001.jpg
case_images: PMC2797374_01_CRM2009-517329.001.jpg
case_images: fig1
case_images: Invasion to the pleura and ipsilateral 6th, 7th, and 8th were also observed (Figures 1(a) and 1(b)).
case_images: Axial-fused PET/CT image shows a pleural-based tumor with a calculated SUVmax of 4.36 (arrow).
case_images: CRM2009-517329.002.jpg
case_images: PMC2797374_01_CRM2009-517329.002.jpg
case_images: fig2
case_images: Maximum calculated standardized uptake value (SUVmax) of the lesion was 4.36 (Figure 2).
case_images: Small-sized round cells with scanty cytoplasm were seen in light microscopic evaluation (x40).
case_images: CRM2009-517329.003.jpg
case_images: PMC2797374_01_CRM2009-517329.003.jpg
case_images: fig3
case_images: Light microscopy showed small size round cells with scanty cytoplasm assembling in alveolar structures (Figure 3).
case_images: Immunohistochemistry revealed positivity with (a) CD 99, (b) vimentine, and (c) synaptophysin (x400).
case_images: CRM2009-517329.004.jpg
case_images: PMC2797374_01_CRM2009-517329.004.jpg
case_images: fig4
case_images: After immunohistochemical analysis which showed positivity for CD 99, vimentine and synaptophysin (Figures 4(a), 4(b), and 4(c)), diagnosis of PNET was made.