case_images: PMC4792042_01
case_images: Intraoral anterior palatal swelling
case_images: CCD-7-114-g001.jpg
case_images: PMC4792042_01_CCD-7-114-g001.jpg
case_images: F1
case_images: A 48-year-old male presented with a rapidly enlarging swelling in the right anterior palatal mucosa measuring 5.6 cm x 4.5 cm with white coating, moderately painful, and bled upon touching [Figure 1].
case_images: (a) Sheet of atypical round tumor cells with vesicular nuclei (H and E, x10). (b) Tumor cell with cleaved nuclei (arrow head) and mitotic figure (arrow) (H and E, x40)
case_images: CCD-7-114-g002.jpg
case_images: PMC4792042_01_CCD-7-114-g002.jpg
case_images: F2
case_images: These atypical round tumor cells showed vesicular nuclei having cleaved appearance with the presence of 2 or more nucleoli [Figure 2].
case_images: Tumor cells positive for (a) CD30, membrane and cytoplasm (IHC, x10), (b) leukocyte common antigen, membrane (IHC, x10), (c) epithelial membrane antigen, membrane and cytoplasm (IHC, x10)
case_images: CCD-7-114-g003.jpg
case_images: PMC4792042_01_CCD-7-114-g003.jpg
case_images: F3
case_images: Tumor cells showed strong positivity with CD30 and LCA, and EMA positivity was seen only in 50% of tumor cells [Figure 3].