[Esophageal achalasia in childhood. Description of a clinical case].

Esophageal achalasia is a very rare pathology in pediatric age. The authors have thought opportune to signal a case in a little girl also in consideration of some symptomatical peculiarities: sudden beginning and worsening course without appreciable repercussions on the state of nutrition. The diagnostic and therapeutic problem is confronted in the light of the latest informations from literature.