Unusual cause of lesions in the descending duodenum and liver: A case report and review of literature

Figure 1 A 47-year-old male patient with acute Schistosoma japonicum infection underwent endoscopic examination, endoscopic ultrasonography and dynamic computed tomography scanning at the baseline visit. A, B: Upper gastrointestinal endoscopy showing protrusive lesions in the esophagus (A), swollen mucosa and protrusive lesions in the descending duodenum (B); C, D: Endoscopic ultrasonography revealing a hypoechoic mass in the muscularis mucosa of the esophagus (C, arrow), thickening of the descending duodenal wall, and destruction of the descending duodenal wall (D, arrow); E-G: Dynamic computed tomography showing heterogeneous hypointensity in the liver (E, arrow), thickening of the descending duodenal wall (F, arrow), swollen mesentery around the arteries (G, arrow), and ascites; H: Biopsy of the descending duodenum showing deposition of Schistosoma eggs.