Chronic abdominal pain is a highly prevalent entity in the paediatric population and represents a diagnostic challenge for professionals. It is frequently underdiagnosed, and must be treated by a multidisciplinary team after a detailed clinical evaluation has been performed to rule out other pathologies. Anterior cutaneous nerve entrapment syndrome (ACNES) occurs when the anterior cutaneous abdominal nerves become pinched or trapped, causing intense, unilateral, circumscribed abdominal pain. Patients often present a positive Pinch test or Carnett's sign. A stepwise therapeutic approach should be used, reserving the most invasive techniques for patients with refractory ACNES. Among the many different treatments available, local anaesthesia infiltration has shown a high success rate, and surgery should only be performed in the most refractory cases. We report the case of an 11-year old girl with a 6-month history of ACNES that severely affected her quality of life, who responded well to pulsed radiofrequency ablation.
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