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Figure 1: Fine-needle aspiration cytology scalp swelling showing (a) smears showing cellular sheets and papillaroid fragments of tumor cells (Papanicolaou, ×10); (b) smears showing cellular fragment comprised of round to oval mildly pleomorphic cells with low nucleocytoplasmic ratio, and pale to clear cytoplasm (PAP, ×40); (c) smears showing round to oval cells adherent to endothelial lining with pale cytoplasm in hemorrhagic background (May–Grunwald–Giemsa, ×40); (d) smears showing cells forming acini with nuclei showing fine chromatin, small nucleoli, clear cytoplasm and occasional atypical mitotic figure (arrow) (May–Grunwald–Giemsa, ×40). Inset: Cell showing moderate pale cytoplasm with nuclei having irregular nuclear membrane, coarse chromatin and prominent nucleoli (May–Grunwald–Giemsa, ×100)

Figure 1: Fine-needle aspiration cytology scalp swelling showing (a) smears showing cellular sheets and papillaroid fragments of tumor cells (Papanicolaou, ×10); (b) smears showing cellular fragment comprised of round to oval mildly pleomorphic cells with low nucleocytoplasmic ratio, and pale to clear cytoplasm (PAP, ×40); (c) smears showing round to oval cells adherent to endothelial lining with pale cytoplasm in hemorrhagic background (May–Grunwald–Giemsa, ×40); (d) smears showing cells forming acini with nuclei showing fine chromatin, small nucleoli, clear cytoplasm and occasional atypical mitotic figure (arrow) (May–Grunwald–Giemsa, ×40). Inset: Cell showing moderate pale cytoplasm with nuclei having irregular nuclear membrane, coarse chromatin and prominent nucleoli (May–Grunwald–Giemsa, ×100)