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. 2016 Jun 9;3(2):11. doi: 10.3390/vetsci3020011

Figure 9.

Figure 9

The histologic features of human and canine follicular lymphoma (AC, human and DF, canine). Architecturally, in both species, the disease is nodular (A, C) and the neoplastic follicles lack germinal center polarization (gray arrow, B and E). Morphologically, the tumor infiltrate in both species is bimorphic, composed of predominantly smaller neoplastic centrocytes (black arrow, C and F) and rare admixed larger neoplastic centroblasts (white arrow, C and F). By flow cytometry, the neoplastic cells in human FL (colored black) are light chain restricted (G), CD10+, variably CD19+ (H), CD20+, CD45+ (I), but CD5−, and are intermediate size by forward light scatter (J).