Hypospadias: Etiology, Classification, and Severity Stratification -- Male Urethra: Embryology, Anatomy, and Wound Healing -- Preclinical Experiments in Hypospadias -- General Perioperative Concepts -- Distal Hypospadias; current surgical techniques, limitations, protocols -- Proximal Hypospadias; Long way to go -- Penile Curvature and Hypospadias: Incidence, Diagnosis and Treatment -- Outcomes after hypospadias repair: Why? How? What? When? -- Tissue Engineering and Regenerative Medicine in Hypospadias -- Artificial Intelligence in Hypospadias: Role, Benefits, Application. .