Abstract
In hypospadias surgery, pre‐operative hormonal therapy (PHT) is primarily used to increase penile dimensions and the vascularity of tissues available for reconstruction, but its use is non‐uniform in clinical practice, with no consensus on application or utility. This review aims to summarise: (i) the penile tissue response to hormone therapy, (ii) its impact on hypospadias surgery outcomes, and (iii) the endocrinological considerations and sequelae. PHT is more often indicated for complex cases such as proximal hypospadias, hypospadias with microphallus and hypospadias reoperations. While PHT has clear effects on penile morphometry, and more recent controlled trials suggest improved surgical outcomes, the lack of consistent outcome definitions and generally inadequate follow‐up periods continue to consign many of the potential long‐term effects of PHT to the unknown. There is currently insufficient robust evidence to allow a clinical guideline to be constructed. The need for a well‐powered multi‐centre prospective randomised trial to address this question is evident but awaits a unified consensus on issues surrounding the understanding of aetiology, classification of hypospadias morphology, definition of important prognostic variables and uniform application of outcome measures. The effects of PHT may be utilised to improve outcomes in cases of proximal and severe hypospadias, which under the current paradigm represent a significant surgical challenge.
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