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. Author manuscript; available in PMC: 2014 Dec 6.
Published in final edited form as: Toxicology. 2013 Sep 10;314(1):10.1016/j.tox.2013.09.002. doi: 10.1016/j.tox.2013.09.002

Figure 3. Respiratory/transitional adenoma, cystic.

Figure 3

A) A small, polypoid, multicystic adenoma (arrow) projects from the lateral side of a nasoturbinate in Level I in a female mouse exposed to 16ppm PA for 2-years. B) The adenoma (arrow) exhibits predominantly transitional epithelial features, and is bordered by hyperplastic epithelium (arrowheads) on both sides. Original objective magnification: A) 10×, B) 20×.