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. 2007 Jul;9(7):589–600. doi: 10.1593/neo.07358

Figure 4.

Figure 4

CITED1 expression was detected in certain primitive epithelial structures of human Wilms' tumors. (A) Primitive tubular structures in the form of rosettes show CITED1 expression (white arrows) (original magnification, x200). (B) A more mature-appearing epithelial structure shows a weak cytoplasmic expression of CITED1 (black arrow) (original magnification, x400). (C) CITED1 expression in certain tumor regions shows an intensity gradient from greater cytoplasmic expression in peripheral blastemal cells (also lacking organized architecture) to weak cytoplasmic expression in the more organized tubular portion (black arrow) (original magnification, x400). (D) Primitive tubules and epithelial elements showing intermediate CITED1 expression (original magnification, x400).