BACKGROUND Occult ovarian insufficiency is associated with infertility, impaired response to ovarian stimulation, and reduced live birth rates in women treated with assisted reproductive technologies. Although a decline in ovarian follicle number is expected with age, the proximate causes of occult ovarian insufficiency in young women remain poorly understood. Abnormalities in telomere length a...

background: in patients who are hepatitis b virus (hbv) dna-positive, but hbv surface antigen (hbsag) -negative, the infection is referred to as occult hepatitis b infection (obi). occult hbv infection is harmful when other liver diseases are present, and can aggravate liver damage in in patients with chronic liver diseases. in human immunodeficiency virus (hiv) infection the suppression of vir...

in the recent issue of middle east journal of digestive diseases, we read with great interest the article by bahari et al. 1 , “significance of response to hepatitits b vaccine in subjects with isolated antibody to hepatitis b core antigen”. we wanted to specify some important matters related to the article.

background: the risk of infection by transfusion-transmitted viruses has been reduced remarkably. however, a zero-risk blood supply is still desirable. the screening for antibody to hbc (anti-hbc) has been shown as an alternative test for the detection of hbv infection. objective: the main aim of this study was to evaluate hbv infection markers and the potential value of anti-hbc testing of blo...

BACKGROUND Autopsy studies report a reservoir of small, occult, undiagnosed breast cancers in up to 15.6% of women dying from unrelated causes. The effective doubling times (EDT) of these occult neoplasms range from 70 to 350 days and mammographic detection threshold diameters from 0.88 to 1.66 cm. Modeling of the biologic behavior of these occult tumors facilitates interpretation of tamoxifen ...

The majority of cases occult bleeding are found in the course colorectal cancer screening or during evaluation iron deficiency anemia. In up to half all patients with GI bleeding, source will not be on initial endoscopic evaluation. Occult gastrointestinal is an issue difficulties diagnosis and treatment. It may come clinic as asymptomatic, detected routine screenings unknown etiology. recent y...

The practice of Occultism knows no place and time. Even though the world has undergone radical changes marked by advances in science technology, there are still people who want to Occultism. Many these occult practices generally inherited from their ancestors passed down generation until now. Christians carry out Occult actions for various reasons, such as fear ancestral spirits, not being prot...

We greatly enjoyed reading the excellent review by Hollinger and colleagues on occult hepatitis B infection in chronic hemodialysis (HD) patients (1). As Hollinger et al. mentioned in their review, few studies have shown the prevalence of occult hepatitis B virus (HBV) infection in HD patients. Due to the parenteral transmission of HBV, HD patients are at high risk of acquiring this virus becau...

STUDY OBJECTIVES To determine the prevalence of occult sleep disordered breathing (SDB) and describe the relationship between classic SDB symptoms (e.g., loud snoring) and occult SDB in older veterans with insomnia. METHODS We analyzed baseline survey and in-home sleep study data for 435 veterans (mean age = 72.0 years [SD 8.0]) who had no known history of SDB, met International Classificatio...