A 59-year-old male was referred to our hospital with chief complaints of general fatigue and muscle stiffness of the shoulders. His hormonal data were total testosterone 0.05 ng/ml (normal: 2.01-7.5 ng/ml), free testosterone less than 0.6 pg/ml, leuteinizing hormone (LH) 1.1 mIU/ml (2.2-8.4 mIU/ml),