Citation: H. EL Marmouk, D. Rajih, O. Nacir, F. Z. Lairani, A. Ait Errami, S. Oubaha, Z. Samlani, K. Krati. Clinical Case Report: Prepyloric Abscess Secondary to Chicken Bone Ingestion. SAS J Med, 2024 May 10(5): 336-338. 336 SAS Journal of Medicine Abbreviated Key Title: SAS J Med ISSN 2454-5112 Journal homepage: https://saspublishers.com Clinical Case Report: Prepyloric Abscess Secondary to Chicken Bone Ingestion H. EL Marmouk 1 , D. Rajih 1 , O. Nacir 1 , F. Z. Lairani 1 , A. Ait Errami 1 , S. Oubaha 2 , Z. Samlani 1 , K. Krati 1 1 Department of Gastroenterology Mohammed VI University Hospital Marrakesh, Morocco 2 Department of Physiology, Cadi Ayad University Mohammed VI University Hospital Marrakesh, Morocco DOI: 10.36347/sasjm.2024.v10i05.008 | Received: 29.03.2024 | Accepted: 03.05.2024 | Published: 10.05.2024 *Corresponding author: H. EL Marmouk Department of Gastroenterology Mohammed VI University Hospital Marrakesh, Morocco Abstract Case Report The accidental ingestion of foreign bodies is a common occurrence but can sometimes lead to serious complications, such as gastrointestinal perforation or abscess formation. We report the case of a patient who presented with diffuse atypical abdominal pain, accompanied by late postprandial vomiting, revealing the presence of a foreign body transfixing the posterosuperior pyloric wall. This condition led to the formation of an abscess in this region, requiring surgical intervention at Mohammed VI University Hospital in Marrakesh. This case highlights the potential risks associated with the ingestion of foreign bodies and underscores the importance of prompt and appropriate management of such complications to avoid serious consequences. Keywords: foreign body, prepyloric abscess, abdominal CT, FOGD, surgery. Copyright © 2024 The Author(s): This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License (CC BY-NC 4.0) which permits unrestricted use, distribution, and reproduction in any medium for non-commercial use provided the original author and source are credited. INTRODUCTION The ingestion of foreign bodies (FB) can cause multiple complications that can sometimes be serious. It most commonly occurs accidentally in children and sometimes patients with underlying mental conditions. In adults, it is caused by poor eating habits such as eating too quickly, coughing fits or arguments during meals [1]. The ingestion of foreign bodies can even be intentional. The nature of foreign bodies inadvertently ingested into the digestive tract varies widely. A foreign body can perforate the digestive tract and cause peritonitis or an abscess, and it can even migrate out of the digestive tract, leading to an unexpected clinical picture [1]. We report a case of a patient who presented to the emergency department with diffuse atypical abdominal pain and late postprandial vomiting, revealing the presence of a foreign body transfixing the posterosuperior pyloric wall, an abscess collection site. This case was treated surgically at Mohammed VI University Hospital Center in Marrakech. CASE REPORT A 74-year-old man with a history of accidental ingestion of a chicken bone two months ago presented to the emergency department with unusual diffuse abdominal pain associated with postprandial vomiting, with concurrent fatigue and loss of appetite. On physical examination, the patient was conscious, stable hemodynamically and in terms of respiration, and presenting epigastric tenderness without abdominal guarding or rigidity. The rest of the examination was normal. Blood tests revealed hyperleukocytosis at 16,600/mm3 with neutrophil predominance at 13,612/mm3, and high C-reactive protein at 54.2 mg/l. Hemoglobin was normal at 14 g/dL, and ionogram and renal function results were within normal limits (Na+:142 mmol/L, K+:4.3 mmol/L, urea: 0.3 g/L, creatinine: 10 μmol/L). In light of this clinical picture, an abdominal computed tomography (CT) scan was performed and revealed the presence of a linear foreign body measuring 38 mm in length, transfixing the posterosuperior pyloric wall which was thickened and associated with an abscessed collection measuring 28x20 mm, with no signs of pneumoperitoneum (Figure 1). Gastroenterology