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. Author manuscript; available in PMC: 2009 Mar 1.
Published in final edited form as: Virology. 2007 Nov 26;372(1):157–164. doi: 10.1016/j.virol.2007.10.030

Figure 4. Cell division errors increase with malignant grade in HPV-associated anal lesions.

Figure 4

(A–C) Quantification of overall mitotic cells (A), cells with cell division errors during metaphase (B) or cells with cell division errors during ana-/telophase (C) in hemorrhoids (controls), LSILs, HSILs or anal squamous cell carcinomas (SCCs) per high-power field (HPF). Cell division errors included pseudo-bipolar, tripolar or multipolar configurations. Each bar represents mean and standard error of results from at least 10 HPFs from different areas of each sample.