F7, a 63-year-old male, exhibited profound self-observed anosmia, cryptorchidism,eunuchoid habitus, osteoporosis, Tanner stage 2, and a high-pitched voice.Laboratory assessments revealed extremely low testosterone levels of 140 ng/dL,along with suppressed gonadotropins (LH at 0.17 mIU/mL and FSH at 1.04 mIU/mL). The gene discussed is PLOD1; the disease is cryptorchidism.