Clinical and surgical management of unilateral prepubertal gynecomastia.

We present an otherwise healthy boy of 12 years old with unilateral breast masses. No abnormalities were found on ultrasonography and on all endocrine parameters. Treatment consisted in a new "modified" Webster technique. The results confirmed validity of this technique in terms of esthetic and functional results, and patient satisfaction. Atypical presentations of gynecomastia are often not recognized. The main pathophysiology of gynecomastia is alteration in the balance between the stimulatory effect of estrogen and the inhibitory effects of androgens on the development of the breast. If there is no causal treatment, surgical resection is the therapy of first choice. The exact mechanism of unilateral gynecomastia formation in our case is unclear. The evaluation of unilateral gynecomastia can therefore be complex. In conclusion, the surgical treatment of unilateral gynecomastia requires an individual approach, based on an appropriate diagnostic algorithm.