[Anogenital lesions produced by Human Papillomavirus. Prevalence study in children and adolescent not vaccinated].

Unlabelled: In Chilean children and adolescents, human papillomavirus (HPV) infection prevalence is unknown. In 2014, the HPV vaccine was incorporated into the National Immunization Program for girls, and since 2019 for boys.

Objective: To determine the prevalence, genotypes, and characteristics of HPV infection in children and adolescents with anogenital lesions not vaccinated against HPV.

[Diagnosis and management of Imperforated Hymen in an infant].

Introduction: Imperforated hymen is the most frequent congenital malformation of the female genital tract. Most cases are not investigated in childhood, due to an insufficient genital examination. Its diagnosis and resolution must be early and definitive to avoid subsequent complications.

[Perineal groove in pediatric gynecology: a report of 2 cases].

Introduction: the perineal groove is a very uncommon anorectal anomaly. It is the result of an unknown embryology anomaly. The perineal groove is a wet sulcus extending from de fourchette to the anus.