[Micropenis].

Micropenis represents a clinical sign that should be diagnosed at birth (or in utero) by the detection of a normally structured penis with a length 2.5 SD below the mean for age. Micropenis can be classified as due to deficient testosterone secretion or action. Evaluation of the gonadotropic and testicular function during the mini-puberty is often helpful in evaluating the etiology. Management of micropenis should focus on achieving a suitable penis length, in order to allow an adequate urination, normal sexual intercourses and a good self-body image. Irrespective of the underlying cause, a short course of T should be tried in patients with micropenis to assess the ability of the penis to respond to it. Topical 5a-dihydrotestosterone gel has also been reported to be effective. Children with hypopituitarism and GH deficiency respond to appropriate hormonal therapy. Psychological counseling is helpful and often necessary.