Improvements in childhood cancer survival have allowed boys and their families to increasingly focus on quality of life after therapy, particularly their future ability to father children. Treatments should maintain comprehensive cancer care goals and consider the long-term quality of life of these children. While semen cryopreservation is a well-established method of fertility preservation for...

OBJECTIVES To characterize associations among psychosocial well-being, physical phenotype, and sex hormones in a sample of youth with Klinefelter syndrome (KS). We hypothesized that KS physical traits (phenotype) are associated with adverse psychosocial health measures and that testosterone levels are associated with adverse psychosocial health. STUDY DESIGN Forty-three boys with KS (ages 8-1...

Anthropometric and muscle strength evaluation in prepubescent and pubescent swimmers and muscle strength and body composition are important for a better sporting performance. The objective of this study was to describe and to compare anthropometrical and muscle strength aspects of prepubescent and pubescent swimmer boys and girls. Forty-eight healthy competitive swimmers participated in this st...

INTRODUCTION Treatment of cryptorchidism includes hormonal therapy and/or operative methods. To evaluate effectiveness of neoadjuvant hCG-therapy in cryptorchid boys regarding testicle position before and after treatment. MATERIAL AND METHODS 204 boys with 229 UDT, median age at presentation 6,6 years, SD ±3.4; 179 (87.7%) with unilateral and 25 (12.3%) with bilateral defect were treated betw...

Background/Aim. Hirschsprung's disease (HD) has a skewed gender distribution, with a female to male ratio of 1 : 4. This study aims to examine differences between boys and girls with HD regarding preoperative features and postoperative treatment and outcome. Method. The first part of the study was conducted as a retrospective review of all HD patients who underwent transanal endorectal pull-thr...

PURPOSE Calculation of PSA is possible in human fluids even if it presents in very low concentrations with the help of hypersensitive immunodiagnostic methods. The periurethral glands represent one of the potential sources of urine prostate specific antigen (uPSA) in both sexes but the purpose of studying PSA levels in children is still unclear in the literature. In this pilot study we studied ...

OBJECTIVES We sought to (1) compare estimates of the prevalence of fighting and weapon carrying among adolescent boys and girls in North American and European countries and (2) assess in adolescents from a subgroup of these countries comparative rates of weapon carrying and characteristics of fighting and injury outcomes, with a determination of the association between these indicators of viole...

PURPOSE To assess the heritability of central corneal thickness (CCT) in Chinese children in a classic twin study. METHODS Twins aged 8 to 16 years were recruited from the Guangzhou Twin Registry. Pachymetry data were obtained by one operator using the same imaging system. Zygosity was confirmed by genotyping with 16 polymorphic markers in all same-sex twin pairs. The CCT of the right eyes wa...