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Mr Nav Johal is a full time consultant paediatric urologist at Great Ormond Street Hospital for Children. He is experienced in all aspects of general paediatric urology and reconstructive paediatric urology and takes pride in delivering high standards of care and for his patients and families.

He trained at a number of leading healthcare institutions across England, including a fellowship in paediatric urology at Great Ormond Street, Cambridge, Southampton, University College Hospital and The Royal Marsden Hospital. He is actively involved in research and completed a PhD from UCL studying the normal and abnormal children's bladder and this has culminated in a number of international presentations and publications. He has previously been awarded a Royal College of Surgeons of England research fellowship. He has published over 50 peer reviewed articles and book chapters.

Areas of expertise:
Prenatally-diagnosed hydronephrosis and other urological abnormalities detected in pregnancy
Foreskin problems including balanitis, phimosis and buried penis
Undescended testes

Bladder dysfunction including bedwetting
Groin and scrotal swellings (hydrocoele, varicocoele, epididymal cysts)
Hypospadias and other penile abnormalities
Urinary tract infections
Vesico-ureteric reflux
Urinary tract obstruction including pelvi-ureteric junctional obstruction

Specialist areas of interest:
Reconstructive urology; bladder exstrophy, posterior urethral valves, neurogenic bladder; hypospadias
Uro-oncology
Minimally invasive surgery; keyhole surgery, retroperitoneoscopy, endourology
Prenatal counselling; hydronephrosis, congenital bladder anomalies