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Derek Armstrong

Assistant Professor of Pediatrics
Pediatrics, Gastroenterology, Hepatology and Nutrition
Duke North Pavilion, 2400 Pra, Durham, NC 27710

Scholarly Works - Journal articles


Diagnostic Utility of Mucosal Biopsies Taken During Colonoscopy-Guided Colonic Manometry Catheter Placement.

Journal article J Pediatr Gastroenterol Nutr · November 1, 2023 OBJECTIVES: The diagnostic utility of mucosal biopsies taken during colonoscopy-guided colonic manometry catheter placement is unknown. The aims of our study were to determine the frequency and histopathology results of mucosal biopsies during these proced ... Full text Link to item Cite

Gastrojejunal Enteral Tube Serving as a Small Bowel Bezoar Nidus.

Journal article Cureus · May 27, 2021 Gastrojejunal (GJ) tube placement is indicated in the management of gastric feeding-related intolerance. Though uncommon, GJ complications may occur. We present the case of a five-year-old male with congenital heart disease in which image-guided replacemen ... Full text Link to item Cite