Strongyloides stercoralis Hyperinfection Syndrome: A Neglected Cause of Abdominal Pain

Author Department

Pathology

Document Type

Article, Peer-reviewed

Publication Date

9-2020

Abstract

Strongyloides stercoralis infection is usually acquired from tropics or subtropics, often causes asymptomatic chronic infection, but in immunosuppressed, it can lead to hyperinfection syndrome. We report a case of chronic abdominal pain resulting from Strongyloides infection in a 55-year-old male with a history of partial small bowel resection for small intestinal lymphoma and a recent diagnosis of chronic kidney disease with proteinuria on steroid therapy. He presented with chronic abdominal pain, nausea, loss of appetite, and weight loss. Initial laboratory workup and imaging including retroperitoneal ultrasound and CT of the abdomen/pelvis were within normal limits, and he was discharged on acid suppression therapy. He was readmitted with worsening symptoms and underwent esophagogastroduodenoscopy (EGD) and duodenal biopsy, which revealed Strongyloides infection. We later discovered a travel history to Cambodia. His symptoms resolved with ivermectin therapy. This case highlights the importance of travel history, which can prevent unnecessary investigations and delay in the diagnosis.

Keywords: international and travel medicine; rare cause of acute abdominal pain; strongyloides hyperinfection syndrome; travel.

PMID

33133837

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