Congenital anomalies of the uterus can result from developmental disorders of the Müllerian ducts. The precise incidence of congenital uterine malformations remains unclear, but the reported incidence is 4-5% of the general female population and it might be higher among patients with infertility or repeated miscarriages. Failure to resorb septa between the Müllerian ducts leads to the formation of a septate uterus, which, when combined with cervical duplication and a longitudinal vaginal septum, represents a rare congenital malformation. Although infertility is associated with uterine malformations, only a few reports have described endometrial neoplasia arising in patients with congenital uterine malformations.Endometrial polyps are caused by the localized overgrowth of endometrial glands and stoma through the uterine cavity, and they are associated with postmenopausal bleeding, infertility, and menorrhagia. The prevalence of malignancy with endometrial polyps is 0.52-3.5%. Risk factors for malignancy within polyps include ageing, obesity, arterial hypertension, postmenopausal period, and tamoxifen, which is a nonsteroidal anti-estrogenic agent that is a popular adjunctive therapy for women with breast cancer. Several reports over the past decade have indicated an increase in the incidence of endometrial abnormalities ranging from polyps to endometrial cancer in women undergoing treatment with tamoxifen.We describe a giant endometrial polyp in a complete septate uterus with longitudinal vaginal septum in an 81-year-old patient with breast cancer who had been treated with tamoxifen for 3 years and 7 months.

Starting with the author's encounter with a stone-throwing incident, which involved different socioeconomic groups of children-street children and private school children-at Katipunan Avenue, this article seeks to understand the processes by which these two groups of children come to know about socioeconomic differences in their everyday lives. It first describes the avenue as an interface situation where encounters between street children and private school children are likely to happen. It subsequently clarifies the modes and the contents of children's knowledge construction of the other at the interface situation. Three findings are drawn from data gathered through key informant interviews and observations. One, children construct their common-sense knowledge of the other as they adjust to or reconcile with their own socioeconomic positions. Two, the ongoing process of knowledge construction involves the reinforcement of their understanding through actual encounters between the two groups and under the influence of other people and elements that are directly and indirectly related to interface encounters. Ultimately, the children themselves actively maintain social reality of socioeconomic differences.

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