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Hypogonadism in patients with sickle cell disease: central or peripheral?
A Taddesse1, I L Woldie, P Khana
1Division of Endocrinology, Diabetes and Metabolism, Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, MI 48201, USA.
Abstract:
There is conflicting evidence in the literature on the etiology of hypogonadism in patients with sickle cell disease (SCD). A cross-sectional study was done to determine whether hypogonadism in male patients with SCD is due to primary testicular failure or secondary pituitary/hypothalamic dysfunction and assess the association between hypogonadism and serum ferritin levels. Hormonal assessment for serum concentrations of testosterone, follicle stimulating hormone (FSH) and luteinizing hormone (LH) was done for 34 men with SCD and their charts were reviewed for relevant clinical variables. Eight men (24%) were classified hypogonadal based on their serum testosterone levels. These men have significantly lower LH (p = 0.001) and FSH (p = 0.01) levels than normogonadal men, indicating a central etiology. There was no significant difference between hypogonadal and normogonadal men with respect to ferritin levels (p = 0.71). Our study indicates a central etiology of hypogonadism in patients with SCD. In this small study ferritin level was not significantly related to hypogonadism.
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