In these clinical practice guidelines, specific recommendations are made for determining the most effective methods of diagnosing and treating hypogonadism in adult male patients. The target populations for these guidelines include the following: (1) men with primary testicular failure requiring testosterone replacement (hypergonadotropic hypogonadism); (2) male patients with gonadotropin deficiency or dysfunction who may have received testosterone replacement therapy or treatment for infertility (hypogonadotropic hypogonadism); and (3) aging men with symptoms relating to testosterone deficiency who could benefit from testosterone replacement therapy. Initial hormonal evaluation generally consists of a testosterone determination, in conjunction with a free testosterone or sex hormone-binding globulin level, inpatients with clear symptoms and signs but normal-range total testosterone, follicle-stimulating hormone, luteinizing hormone, and prolactin levels. Other possible tests include semen analysis, pituitary imaging studies, genetic studies, bone densitometry, testicular ultrasonography,testicular biopsy, and specialized hormonal dynamic testing. Therapeutic options generally consist of testosterone replacement by injections, patches, or topically applied gel in hypergonadotropic patients and in hypogonadotropic patients not interested in fertility. In hypogonadotropic patients interested in fertility, gonadal stimulation option scan be considered, including human chorionic gonadotropin stimulation therapy with or without human menopausal gonadotropin (or follicle-stimulating hormone) or gonadotropin-releasing hormone pump therapy. These therapies may be combined with assisted reproductive technologies such as in vitro fertilization with intracytoplasmic sperm injection, which may allow pregnancy to occur with very low numbers of sperm.

Adult↗

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American Association of Clinical Endocrinologists medical guidelines for clinical practice for the evaluation and treatment of hyperthyroidism and hypothyroidism.

These clinical practice guidelines summarize the recommendations of the American Association of Clinical Endocrinologists for the diagnostic evaluation of hyperthyroidism and hypothyroidism and for treatment strategies in patients with these disorders. The sensitive thyroid-stimulating hormone (TSH or thyrotropin) assay has become the single best screening test for hyperthyroidism and hypothyroidism, and in most outpatient clinical situations, the serum TSH is the most sensitive test for detecting mild thyroid hormone excess or deficiency. Therapeutic options for patients with Graves' disease include thyroidectomy (rarely used now in the United States), antithyroid drugs (frequently associated with relapses), and radioactive iodine (currently the treatment of choice). In clinical hypothyroidism, the standard treatment is levothyroxine replacement, which must be tailored to the individual patient. Awareness of subclinical thyroid disease, which often remains undiagnosed, is emphasized, as is a system of care that incorporates regular follow-up surveillance by one physician as well as education and involvement of the patient.

Amiodarone↗