Fig. 1From: The overexpression of p16 is not a surrogate marker for high-risk human papilloma virus genotypes and predicts clinical outcomes for vulvar cancerMicrophotographs of immunohistochemical staining for p16ink4a: a. strong diffuse nuclear/cytoplasmic expression - p16ink4a positive cases; b. p p16ink4a negative cases; c. focal check-board pattern of expression - p16ink4a -negative casesBack to article page