Cells of the parathyroid are often mistaken for lymphocytes. An actual lymphocytic infiltrate (arrow) stains darker. Notice the parathyroid cells are sometimes arranged in strings or lines.

• 甲状旁腺中的这些细胞常被误认为是淋巴细胞了。其实真正的淋巴细胞浸润染色要更深(图中箭头指示)。注意甲状旁腺细胞排列又是成条索状。