Figure 6From: Placental mesenchymal dysplasia, a case of intrauterine sudden death of fetus with rupture of cirsoid periumbilical chorionic vesselsAndrogenetic/biparental mosaicism detected by p57kip2 immunohistochemical staining in the affected lesion. p57kip2-positive stromal cells indicate biparental villi in a, and no p57kip2-positive stromal cell in some villi (asterisks) suggests androgenetic villi in b. (objective ×10).Back to article page