Professional background

Nav Johal is honorary consultant paediatric urologist at University College London Hospital (UCLH) and is clinical lead of the service. He is based primarily as a full time consultant paediatric urologist at Great Ormond Street Hospital for Children and honorary associate professor at University College London (UCL) Mr. Johal is at UCLH on Wednesday delivering an outpatient clinic and operating session on alternate weeks. Additionally he is a member of the prenatal counselling team in the fetal medicine unit at UCLH.

He graduated from the University of Wales College of Medicine and completed his Paediatric Surgical training in the South of England paediatric surgical rotation rotating through Cambridge, London and Southampton before completing a Paediatric Urology Fellowship at Great Ormond Street Hospital and a bladder reconstructive fellowship at the Royal Marsden Hospital, Fulham Road.

He is actively involved in research and completed a PhD from UCL on congenital bladder anomalies. He has previously been awarded a surgical research fellowship and more recently a pump priming award from the Royal College of Surgeons of England and has published over 50 peer reviewed articles.

Research interests

  • Reconstructive urology; neuropathic bladder; exstrophy, hypospadias
  • Uro-oncology
  • General paediatric urology; bladder dysfunction, undescended testes, penile anomalies
  • Minimally invasive surgery; retroperitoneoscopy, endourology
  • Prenatal counselling at UCLH; hydronephrosis, congenital bladder anomalies


  1. Johal N, Cao K, Arthurs C, Millar M, Thrasivoulou C, Ahmed A, Jabr RI, Wood D, Cuckow P, Fry CH. Contractile function of detrusor smooth muscle from children with posterior urethral valves - The role of fibrosis. J Pediatr Urol. 2020 Nov 4:S1477-5131(20)

  2. Bakalis S, Cao K, Johal N, Cuckow P, Pandya P. The value of the routine third trimester ultrasound scan in antenatal care: Problems with guidance and outdated data in a highly technological field. Eur J Obstet Gynecol Reprod Biol. 2020 Feb;245:51-55

  3. Johal N, Arthurs C, Cuckow P, Cao K, Wood DN, Ahmed A, Fry CH. Functional, histological and molecular characteristics of human exstrophy detrusor. J Pediatr Urol. 2019 Apr;15(2):154.e1-154.e9

  4. Versteegh HP, Johal NS, de Blaauw I, Stanton MP. Urological and sexual outcome in patients with Hirschsprung disease: A systematic review. J Pediatr Urol. 2016 Dec;12(6):352-360

  5. Eriksen KO, Johal NS, Mushtaq I. Minimally invasive surgery in management of renal tumours in children. Transl Pediatr. 2016 Oct;5(4):305-314

  6. Durell J, Johal N, Burge D, Wheeler R, Griffiths M, Kitteringham L, Stanton M, Manoharan S, Steinbrecher H, Malone P, Griffin SJ. Testicular atrophy following paediatric primary orchidopexy: A prospective study. J Pediatr Urol. 2016 Aug;12(4):243.e1-4

  7. Bethell G, Johal N, Cuckow P. Cloacal Exstrophy Repair with Primary Closure of Bladder Exstrophy: A Case Report and Review of Literature. Case Rep Pediatr. 2016;2016:8538935

  8. Johal N, Wood DN, Wagg AS, Cuckow P, Fry CH. Functional properties and connective tissue content of pediatric human detrusor muscle. Am J Physiol Renal Physiol. 2014 Nov 1;307(9):F1072-9

  9. Nitkunan T, Johal N, O'Malley K, Cuckow P. Secondary hypospadias repair in two stages. J Pediatr Urol. 2006 Dec;2(6):559-63

  10. Johal NS, Nitkunan T, O'Malley K, Cuckow PM. The two-stage repair for severe primary hypospadias. Eur Urol. 2006 Aug;50(2):366-71

  11. Johal N, Kumar P, Sellaturay S, Arya M, Cuckow P. Severe proximal hypospadias. Hosp Med. 2005 May;66(5):307