case_images: PMC7288224_01
case_images: Microscopy (slides prepared for cell block analysis): (a) hematoxylin and eosin (H&E) slides consists of malignant cells, single and molding in groups with increased nuclear to cytoplasmic ratios, irregular nuclear contours, and hyperchromatic (200x magnification). ((b)-(e)) Immunohistochemistry (IHC) stains of synaptophysin (b), chromogranin (c), CD56 (d), and TTF-1 (e) are positive in the malignant cells (200x magnification). P63 IHC stain is negative (not shown).
case_images: CRINM2020-5269352.001.jpg
case_images: PMC7288224_01_CRINM2020-5269352.001.jpg
case_images: fig1
case_images: Fine-needle aspiration of the R4 lymph nodes was positive for small-cell carcinoma (Figure 1).
case_images: ((a) and (b)) Axial FLAIR MRI showing slight increased signal in bilateral temporal lobes.
case_images: CRINM2020-5269352.002.jpg
case_images: PMC7288224_01_CRINM2020-5269352.002.jpg
case_images: fig2
case_images: However, the neuroradiology service, upon reviewing the brain MRI, was not convinced that the findings represented limbic encephalitis (Figure 2).