A disconcerting false gastric diverticulum mimicking malignancy

  • Dhouha Bacha Department of Pathology, Mongi Slim Teaching Hospital La Marsa, University of Tunis El Manar, Faculty of Medicine, Tunis, Tunisia
  • Asma Sassi Department of Pathology, Mongi Slim Teaching Hospital La Marsa, University of Tunis El Manar, Faculty of Medicine, Tunis, Tunisia
  • Seifeddine Baccouche Surgery Department, Mongi Slim Teaching Hospital La Marsa, University of Tunis El Manar, Faculty of Medicine, Tunis, Tunisia
  • Ghofrane Talbi Surgery Department, Mongi Slim Teaching Hospital La Marsa, University of Tunis El Manar, Faculty of Medicine, Tunis, Tunisia
  • Sana Ben Slama Department of Pathology, Mongi Slim Teaching Hospital La Marsa, University of Tunis El Manar, Faculty of Medicine, Tunis, Tunisia
  • Lassad Gharbi Surgery Department, Mongi Slim Teaching Hospital La Marsa, University of Tunis El Manar, Faculty of Medicine, Tunis, Tunisia
  • Saadia Bouraoui Department of Pathology, Mongi Slim Teaching Hospital La Marsa, University of Tunis El Manar, Faculty of Medicine, Tunis, Tunisia
  • Ahlem Lahmar Department of Pathology, Mongi Slim Teaching Hospital La Marsa, University of Tunis El Manar, Faculty of Medicine, Tunis, Tunisia

Abstract

Gastric diverticula are the most uncommon form of gastrointestinal diverticula. They can either be of true or false type with different pathogenesis. They may be very challenging to diagnose as symptoms are nonspecific and imaging can simulate a malignant lesion. We report an unusual case of pre-pyloric diverticulum in a 69-year-old man, leading to severe gastric obstruction with a poor general condition. As subsequent endoscopy and imaging were alarming and couldn't exclude malignancy, the patient underwent an antrectomy. The final diagnosis was made on pathological examination. We discuss, through this case, the clinical and pathological features of gastric diverticula with an emphasis on the pathogenesis of this rare entity and the risk of a malignant transformation.

Published
2019-02-14
Section
Articles

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eISSN: 1937-8688