Figure 1
FOXO1 expression in lymphoid FL, HL, and NHL. (A) FOXO1 expression in tonsillar lymphoid follicle. Low magnification image represents immunohistochemical staining of FOXO1 distribution in the whole follicle (original magnification ×50). High-magnification images show FOXO1 expression in cells of dark zone containing centroblasts (DZ) and light and marginal zone containing centrocytes and resting B cells, respectively (LZ and MZ; original magnification ×200). (B) FOXO1 expression in BCLs. Neoplastic cells of cHL and LPHL are FOXO1-negative (original magnification ×200). Objective: Plan-Neofluar 10×/0.3 NA for the low magnification of normal lymphoid follicle and Plan-Neofluar 40×/0.75 NA objective for the high magnification normal lymphoid follicle and lymphoma images.

FOXO1 expression in lymphoid FL, HL, and NHL. (A) FOXO1 expression in tonsillar lymphoid follicle. Low magnification image represents immunohistochemical staining of FOXO1 distribution in the whole follicle (original magnification ×50). High-magnification images show FOXO1 expression in cells of dark zone containing centroblasts (DZ) and light and marginal zone containing centrocytes and resting B cells, respectively (LZ and MZ; original magnification ×200). (B) FOXO1 expression in BCLs. Neoplastic cells of cHL and LPHL are FOXO1-negative (original magnification ×200). Objective: Plan-Neofluar 10×/0.3 NA for the low magnification of normal lymphoid follicle and Plan-Neofluar 40×/0.75 NA objective for the high magnification normal lymphoid follicle and lymphoma images.

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