Periduodenal Mass: A Rare Diagnosis Confirmed by Endoscopic Ultrasound-Guided Fine-Needle Aspiration

Affiliations

• ¹ Gastroenterology Division, Department of Medicine, University of Pennsylvania Health System, Philadelphia, Pennsylvania.
• ² Department of Pathology and Laboratory Medicine, University of Pennsylvania Health System, Philadelphia, Pennsylvania.
• ³ Gastroenterology Division, Department of Medicine, University of Pennsylvania Health System, Philadelphia, Pennsylvania; Center for Endoscopic Education, Innovation, & Training, Departments of Medicine & Surgery, University of Pennsylvania Health System, Philadelphia, Pennsylvania.