Health literacy and adherence to treatment in different districts in Chile.

The relationship between health literacy and adherence has been described in medical literature, especially for patients with non-communicable diseases (NCDs). However, the relevance that an individual's local context can have has not been considered. This study aimed to examine the association of both concepts at a population level and estimate the correlation between health literacy and adherence to pharmacological treatment in adults from 14 districts in different regions in Chile.

HIV/AIDS-related Knowledge and Behavior among School-attending Afro-Descendant Youths in Ecuador.

Background Or Objectives: HIV/AIDS transmission in Ecuador is considered a concentrated epidemic; therefore, there are some studies on high risk groups but there is limited published data regarding the HIV/AIDS risk factors among adolescents of African descent. In this study, we sought to explore the determinants of HIV/AIDS-related knowledge and behavior among afro-descendant youths attending schools in the city of Esmeraldas, Ecuador.

Methods: A cross-sectional survey among school-attending youths was conducted in Esmeraldas, Ecuador in 2010.

Expression of CXCR4, E-cadherin, Bcl-2, and survivin in Merkel cell carcinoma: an immunohistochemical study using a tissue microarray.

Merkel cell carcinoma (MCC) is a rare but highly aggressive cutaneous malignancy with a mortality rate exceeding that of melanoma. Although smaller studies of markers of progression have been performed, large-scale investigation has been difficult due to the rarity of this tumor. Investigation of 4 potential immunohistochemical progression markers using an MCC tissue microarray was performed.

Adrenal progestogen and androgen production in 21-hydroxylase-deficient nonclassic adrenal hyperplasia is partially independent of adrenocorticotropic hormone stimulation.

Objective: To test the hypothesis that adrenal steroidogenesis in nonclassic adrenal hyperplasia (NCAH) patients is, at least in part, independent of adrenocorticotropic hormone (ACTH) control.

Design: Prospective controlled clinical study.

Setting: Patients and healthy volunteers in an academic research environment.