Our Services
Children's General Surgery and Urology
We provide quality paediatric surgical care for children from newborn through to adolescent. Children are not small adults. Their conditions are different from adults, because of their unique physiology and anatomy.
The care is helmed by Dr Wong Zeng Hao Joel, a Ministry of Health, Singapore certified Paediatric Surgeon who has worked in Singapore and the United Kingdom, London. A father himself, he has treated many children and continue to look after them into adolescence and adulthood.
He is assisted by a team of registered nurses, who are Singapore Nursing Board certified and have many years of experience working in the ambulatory surgery centre and clinic. The operating theatre is Ministry of Health, Singapore certified and has achieved ISO and NEBB standards for a clean room anti-sepsis standard.
Conditions in children
Oral, Gastrointestinal, Abdomen
- Abdominal / Tummy pain,
- Abdominal or Umbilical lumps,
- Umbilical granuloma,
- Umbilical polyp,
- Anal fissure,
- Anorectal malformation,
- Appendicitis,
- Blood in stools,
- Duplication cyst,
- Epigastric hernia,
- Feeding problems,
- Foreign body ingestion / swallowed,
- Gastro-oesophageal reflux,
- Gastroschisis,
- Hiatal hernia,
- Hirschsprung Disease,
- Hydrocele,
- Hypertrophic pyloric stenosis,
- Inguinal hernia,
- Intestinal atresia,
- Intestinal obstruction,
- Intussusception,
- Malrotation,
- Meckel’s Diverticulum,
- Mucocele,
- Oesophageal atresia,
- Omphalocele,
- Perineal groove,
- Perianal abscess, fistula,
- Poo / Bowel problems e.g. Constipation, Diarrhoea,
- Prolonged Neonatal Jaundice,
- Tongue tie,
- Umbilical hernia,
- Vomiting,
- Others.
Genital, Urinary, Gynaecology
- Bedwetting / Nocturnal Enuresis,
- Bent penis / Chordee,
- Bifid scrotum, Penoscrotal transposition,
- Blood in urine
- Buried penis,
- Dilated / obstructed ureter,
- Dilated kidney / Hydronephrosis,
- Duplication of urethra,
- Groin or Scrotal lumps,
- Groin or Scrotal pain,
- Hypospadias,
- Missing / Undescended testis,
- Pee / Micturition problems e.g. Urine Dribbling, Frequency, Urgency,
- Pelviureteric junction obstruction,
- Penile infection, Foreskin infection / Balanoposthitis,
- Perianal pain and swelling,
- Testicular torsion,
- Tight foreskin, Phimosis,
- Urachus,
- Urethral narrowing / stricture,
- Urinary Tract Infection (UTI), Recurrent UTI,
- Varicocele,
- Vesicoureteric reflux,
- Others.
Head, Neck, Thorax
- Cuts / Lacerations,
- Preauricular sinus
- Preauricular abscess
- Skin tags
- Accessory digits,
- Lymph nodes
- Branchial cyst
- Branchial sinus
- Chest wall abnormalities e.g. “sunken chest” / pectus excavatum, “pigeon chest” / pectus carinatum,
- Congenital airway or lung malformations, cystic lung lesions,
- Dermoid cyst, Epidermoid cyst,
- Others.
Malformation, Tumor, Oncology
- Lymphatic malformations,
- Vascular malformation,
- Vascular tumor e.g. haemangioma,
- Dermoid cyst,
- Dermatofibroma,
- Myofibroma,
- Ovarian tumor,
- Pilomatrixoma,
- Rhabdomyosarcoma,
- Sacrococcygeal teratoma,
- Testicular tumour, paratesticular tumor,
- Lumps, Pain, Infection,
- Infected lumps for example, BCG site infection,
- Carbuncle, Abscess,
- Pilonidal sinus,
- Pilonidal abscess,
- Others.
Treatment / Surgeries
Gastrointestinal, Colorectal, Oral
- Anorectal malformation repair,
- Bowel management,
- Colostomy, Ileostomy,
- Endoscopic excision of polyp, removal of foreign body,
- Excision of Meckel’s Diverticulum,
- Excision of mucocele,
- Gastroscopy, Colonoscopy, Sigmoidoscopy,
- Hirschsprung disease repair,
- Laparoscopic Appendicectomy,
- Laparoscopic assisted resection of intestine,
- Laparoscopic hydrocele repair / Hydocelectomy,
- Laparoscopic inguinal hernia repair,
- Laparoscopic Pyloromyotomy,
- Laparoscopic reduction of intussusception,
- Single incision laparoscopic surgery (SILS),
- Surgery for Perianal abscess or fistula,
- Tongue-tie release / Frenulotomy,
- Umbilical hernia repair,
- Others.
Genital, Urinary, Gynaecology
- Bifid scrotum, penoscrotal transposition repair,
- Biofeedback,
- Bladder and Bowel management,
- Chordee repair,
- Circumcision,
- Cystoscopy,
- Endoscopic treatment for vesicoureteric reflux,
- Hypospadias Repair,
- Orchidopexy,
- Pelvic floor exercises,
- Pyeloplasty,
- Testes exploration,
- Ureteric reimplantation,
- Urethroplasty,
- Urodynamics,
- Uroflowmetry +/- Electromyography,
- Urotherapy,
- Varicocele repair,
- Urachus remnant excision,
- Others.
Head, Neck, Thoracic
- Repair of laceration,
- Branchial cyst excision,
- Chest infection / Empyema treatment,
- Drainage for Skin Abscess,
- Excision of congenital pulmonary airway malformation, cystic lung lesion,
- Lymph node excision,
- Pectus Carinatum treatment,
- Excision of bronchogenic cyst, bronchopulmonary sequestration,
- Thoracoscopic treatment of Pneumothorax,
- Others.
Malformation, Tumor, Oncology
- Dermoid cyst excision,
- Laparoscopic oophorectomy,
- Laparoscopic ovary sparing excision of tumor,
- Paratesticular tumor excision,
- Pilomatrixoma excision
- Portacath / Hickman Line insertion,
- Rhabdomyosarcoma excision,
- Sacrococcygeal teratoma excision,
- Testis teratoma, yolk sac tumour excision,
- Treatment for haemangioma,
- Others.
Dr Wong Zeng Hao
Paediatric Surgery & Urology International
Specialist Accreditation in Paediatrric Surgery (Ministry of Health Singapore, School of Postgraduate Medical Studies and Academy of Medicine.
Singapore Medical Council Certificate of Specialist Registration, Paediatric Surgery.
MBBS (Singapore),
MRCS (Glasgow),
FAMS (Paediatric Surgery)
Dr. Wong Zeng Hao qualified as a paediatric surgeon who specializes in gastrointestinal, genitourinary tract and chest conditions of newborn babies, children and adolescents. After graduating from Yong Loo Lin School of Medicine, National University of Singapore (NUS), Dr. Wong obtained his membership of the Royal College of Physician and Surgeons (Glasgow) in Surgery. He completed his specialist training in Paediatric Surgery at National University Hospital (NUH) and was accredited with the Specialist Accreditation Board and Ministry of Health, Singapore. He is a recipient of the Long Service Award from NUH.
He next undertook a clinical fellowship at the King’s College Hospital, United Kingdom (UK), which is an acute care trauma centre, referral hospital for patients with liver and biliary disease, and regional referral centre for tongue tie. He spent a second year at Great Ormond Street Hospital, UK, and was involved in managing gastrointestinal and thoracic conditions in this multidisciplinary care hospital dedicated solely to neonates and paediatrics.
Being part of the British Association of Paediatric Endoscopic Surgeons (BAPES), a not-for-profit organisation established to improve paediatric minimally invasive surgery, he was awarded the BAPES Travelling Fellowship in 2018 to advance his expertise at acclaimed high volume centres. He also received the BAPES Advanced Minimal Access Scholarship in Paediatric Surgery and Urology in 2019. As a member of the European Paediatric Surgeons’ Association and British Association of Paediatric Surgeons, he presented at their annual congresses.
Besides clinical work, Dr. Wong was involved in research and education. He was awarded the Pitch for Funds Grant for a pilot study using elastography to detect fibrosis post liver transplant. He has published in peer-reviewed international journals and was a clinical tutor and examiner at the Yong Loo Lin School of Medicine, NUS.
As a father of three, he understands the challenges of parenting, especially when children fall sick. He loves to spend time with his wife and sons because their laughter brings joy and peace to the family. He hopes to bring similar happiness to his patients by providing personalized care and the best outcome for them.
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