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Hormones (Athens). 2007 Jan-Mar;6(1):71-4.

Pubertal arrest due to Zn deficiency: the effect of zinc supplementation.

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Erciyes University Medical School, Department of Endocrinology, Kayseri, Turkey.


The Prasad Syndrome is characterized by iron deficiency anemia, hepatosplenomegaly, skin changes, hypogonadism, dwarfism and geophagia. Hypogonadism is a major manifestation of zinc (Zn) deficiency in both humans and animals. T he mechanism of hypogonadism caused by Zn deficiency has not been clarified. We present a 19 year-old boy with short stature, pubertal arrest, iron deficiency anemia and Zn deficiency. Based on the dynamic tests, the hypogonadism seems to be due to hypothalamic dysfunction. T he growth retardation was associated with low IGF-I and normal growth hormone (GH) secretion, indicating GH receptor or post receptor defect. Growth acceleration and testicular development was observed after Zn supplementation. Zn deficiency, although very rare, should be considered in patients with poor growth and hypogonadism associated with skin changes and anemia.

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