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Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.

Background: Abnormalities involving the skin coverage of the penis are diffi cult to defi ne, but they can significantly alter penile appearance, and be a cause of parental concern.Data sources: The present review was based on a nonsystematic search of the English language medical literature using a combination of key words including "penile skin anomalies" and the specific names of the different conditions.Results: Conditions were addressed in the following order, those mainly affecting the prepuce (phimosis, balanitis xerotica obliterans, balanitis, paraphimosis), those which alter penile configuration (inconspicuous penis and penile torsion), and lastly focal lesions (cysts, nevi and vascular lesions). Most of these anomalies are congenital, have no or minimal influence on urinary function, and can be detected on clinical examination. Spontaneous improvement is possible. In the majority of cases undergoing surgery, the potential psychological implications of genital malformation on patient development are the main reason for treatment, and the age generally recommended for surgery is after 12 months of age. Conclusion:This review provides the pediatrician with a handy tool to identify the most common penile skin anomalies, counsel parents adequately, make sensible and evidence based choices for management, and recognize complications or untoward outcomes in patients undergoing surgery. World J Pediatr March 2015; Online First

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