Abstract
A 12 years old boy, a child of a internist, swallowed the Nylander's reagent during his play, without any trouble for 3 yeas until the outcome of multiple cicatric oesophageal stenosis was found.
The authors have succeeded in curing the patient and marasmus with whalebone bougie comparatively short times of his vistit to the out-patient clinic.
The authors surveyed the cicatric stenosis found in the literature.
