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  • Title: Esophagogastric polyurethane bezoar complicated by stomach wall microperforation and acute peritonitis: case report.
    Author: Ziaja K, Chudek J, Chlubek A, Sznapka M, Toborek T, Ziaja D.
    Journal: BMC Surg; 2020 Nov 12; 20(1):281. PubMed ID: 33183280.
    Abstract:
    BACKGROUND: Bezoars are collections of indigestible material in the gastrointestinal tract, mostly described in children. Polyurethane "plastobezoars" consisting of composites used in the construction industry are rarely described bezoars formed in the esophagus and stomach, causing gastrointestinal obstruction, usually necessitating gastrectomy. We describe an unusual presentation of polyurethane bezoar with a volcanic rock consistency, that caused gastrointestinal obstruction and perforation of the stomach wall. CASE PRESENTATION: A 39-year-old man, a construction worker, was referred with signs and symptoms of high gastrointestinal obstruction and abdominal pain. Esophagoscopy revealed a foreign body in the esophagus, 20 cm from the incisor line, causing its obstruction. The attempt to collect the material with forceps failed as the material was too hard. Spiral computed tomography visualized a wide, gas-filled esophagus and a large stomach. The patient with symptoms of acute peritonitis was operated. There were several microperforations of the stomach wall, caused by sharp bezoar fragments that filled the upper one-third of the stomach and lower part of the esophagus. After a longitudinal stomach incision, the bezoar was bluntly dissected from the wall and removed, and the stomach microperforations were closed by wall duplication. After the operation, the patient confessed to drinking, of his own free will, a two-component building foam used to seal pipes. The patient started normal feeding on the 4th day and was discharge home. CONCLUSIONS: Polyurethane bezoars may cause stomach wall perforation and acute peritonitis. Computed tomography has limited usefulness in patients with polyurethane bezoars due to their low specific weight.
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