[Emesis after pyloromyotomy in congenital hypertrophic pyloric stenosis: incomplete pyloromyotomy, recurring pyloric stenosis or gastric outlet obstruction?].

The authors present a case of an infant who was treated for recurrent vomiting following pyloromyotomy. Gastroscopic examination showed a polypoid tumour of 4-5 mm in diameter located at the antral region. The patient recovered following re-pyloromyotomy.