Background: Blue light imaging (BLI) has been shown to improve the characterization of colorectal polyps among the endoscopy experts. We aimed to determine if this technology could be taught to endoscopy trainees while maintaining high accuracy and interobserver agreement.
A 37-year-old male immigrant from Thailand presented to the emergency department with chest pain, fatigue, and hematochezia. Severe iron deficiency anemia was noted (Hgb 6 gm/dL, iron 11 mg/dL, ferritin 2 ng/mL, total iron bonding capacity (TIBC) 425 mcg/dL). Esophagogastroduodenoscopy with duodenal biopsies was unrevealing. Colonoscopy was remarkable for multiple, flat, ribbon-like structures (Figures 1 and 2). Specimens were collected for microscopic analysis and confirmed the structures to be Taenia proglottids (Figure 3). The patient had reported daily consumption of raw beef and pork before immigrating to the United States 10 years before his presentation. A single dose of praziquantel was provided with resolution of his symptoms and anemia at follow-up.Visualization of proglottids during colonoscopy is extremely rare. A case report described Taenia proglottids identified during colon
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