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Figure 1: (a) Classic papillary thyroid carcinoma (H and E × 100): inset showing psammoma body; (b) papillary thyroid carcinoma with nuclear clearing, grooving, and overlapping; (c) BRAFV600E positivity by immunohistochemistry; (d) microcarcinoma (H and E × 100); (e) Warthin-like variant (H and E × 40): inset shows BRAF-positive staining; (f) nodular fasciitis-like variant (H and E × 100); (g) solid variant (H and E × 40); (h) Tall-cell variant (H and E × 100); (i) Infiltrative follicular variant of papillary thyroid carcinoma with capsular and vascular invasion (H and E × 100): inset showing papillary thyroid carcinoma-like nuclear features |
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