CONTEXT The clinical value of measuring testosterone and estradiol in older men with osteoporosis and of measuring bone mineral density (BMD) in older men with testosterone or estradiol deficiency is uncertain. OBJECTIVE The objective of the study was to examine the association of testosterone and estradiol deficiency with osteoporosis and rapid bone loss in older men. DESIGN This study was...

  SUMMARY In order to investigate acute and chronic effects of exposure to warfare containing mustards in young men, the time course of changes in serum concentrations of total and free testosterone, dehydroepiandrosterone (DS), FSH, LH and prolactin was evaluated in 16 men in the first 3 months and testicular function in 42 men one to three years after injury. Serum total and free testostero...

We conducted a community-based cross-sectional study to evaluate the role of genetics in determining the individual difference in total testosterone and sex hormone-binding globulin levels. Study participants comprised 730 Korean men consisting of 142 pairs of monozygotic twins, 191 pairs of siblings, and 259 father-offspring pairs from 270 families who participated in the Healthy Twin study. S...

A young female with prolonged intermenstrual bleeding was found to have raised total plasma testosterone of 25.8 nmol/l (NR<2.9 nmol/l) using the Roche Elecsys Testosterone I immunoassay without clinical features of virulisation. Few months ago investigations for lethargy and low libido had shown normal total testosterone of 0.8 nmol/l. Further history revealed that she was using maca extract t...

BACKGROUND Recent studies have shown that men with diabetes have lower testosterone levels than healthy men. However, studies on the correlation between testosterone and diabetes are rare in Korea. We examined the relationship between testosterone deficiency and markers related to diabetes in adult Korean men. METHODS A total 464 men with diabetes who visited an outpatient clinic at Ajou Univ...

We compared the clinical value of information on free testosterone as measured with the Coat-A-Count (Diagnostic Products Corp.) radioimmunoassay kit involving a ligand analog with that of total testosterone, the free-androgen index, and free testosterone calculated from concentrations of testosterone, sex-hormone-binding globulin, and albumin, in hirsute women, pregnant women, oral-contracepti...

Purpose Intramuscular (IM) testosterone is the most common modality for testosterone therapy of both male hypogonadism and female-to-male (FTM) gender transition. However, IM injections can be painful and often are not self-administered by the patient. The objective of this study was to further characterize subcutaneous (SC) administration of testosterone as an effective and safe alternative to...

objective: to evaluate the relationship between serum level of testosterone and sex hormone-binding globulin in men with type 2 diabetes. materials and methods: in this case-control study, forty men aged 40-70 with type 2 diabetes mellitus were randomly selected and compared with 40 non-diabetic men. the two groups were matched for their age and bmi. after complete observation and examination, ...

PURPOSE This study was conducted to investigate the relationship between serum total testosterone levels and scores on the Aging Male's Symptom (AMS) scale and the International Index of Erectile Function (IIEF) in men with erectile dysfunction with testosterone deficiency syndrome (TDS). MATERIALS AND METHODS From January 2005 to July 2008, 134 patients who complained of sexual dysfunction s...