• Shanshan Cai, Miaomiao Zhou, Yulian Zhang, Wei Luo, and Bushan Xie.
• Department of Gastroenterology, Jiangxi Provincial Key Laboratory of Digestive Diseases, Jiangxi Clinical Research Center for Gastroenterology, Digestive Disease Hospital, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China.
• Medicine (Baltimore). 2024 Sep 27; 103 (39): e39714e39714.

RationaleStrongyloides stercoralis, a rare human intestinal parasite, poses a significant health risk, capable of causing lifelong infection and even mortality due to its atypical manifestation of symptoms. In this case report, we reported a case of a patient diagnosed with S. stercoralis infection of the residual stomach and meticulously detail its treatment process, offering valuable insights and a reference point for clinicians.Patient Concernswe report a case of infection caused by S. stercoralis after subtotal gastrectomy (Billroth type II) in a 47-year-old middle-aged man. It presents with recurrent nausea and vomiting, accompanied by intermittent food residue vomiting and constipation.DiagnosesUpon endoscopic examination, we observed mucosal swelling and erosion in the anastomosis and output ring of stomach, while pathological analysis confirmed the presence of Strongyloides stercoralis eggs. Subsequently, the administration of albendazole for anti-infection treatment proved to be effective, thereby reinforcing the diagnosis of S. stercoralis infection.IntervensionsThe patient underwent aggressive management including fasting, fluid replacement, anti-infection therapy, albumin supplementation, and albendazole treatment at a dose of 300 mg/kg/day for 3 days to eliminate the parasite.OutcomesAfter treatment, the patient's symptoms of nausea, vomiting, and constipation were alleviated and returned to normal upon discharge. Over the subsequent 3 years, the patient reported no instances of vomiting and experienced a recovery of digestive function compared to their discharge status.LessonsS. stercoralis infection is relatively rare in the remnant stomach, endoscopic and pathological examination may be one of the important methods to diagnose S. stercoralis infection, and it is effective to treat albendazole according to the course of treatment.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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