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A Study of Growth Pattern in Giant Condyloma acuminatum

We report a case of giant condyloma acuminatum (CA) of the perianal region. Pathological diagnosis revealed a typical CA with no sign of atypia. In addition, HPV type 11 could be identified by Southern blot analysis. PCNA was highly positive immunohistochemically, but the positivity of p53 protein was not as high as compared with the other control cases. Thus, the high growth rate of tumor cells evaluated by PCNA staining seems to contribute to the marked increase in size, and not only the p53 mutation but also an other cascade may be implicated in cell proliferation.