Scholars@Duke
Alyson McGhan Johnson

Alyson McGhan Johnson

Assistant Professor of Medicine
Medicine, Gastroenterology
alyson.mcghan@duke.edu
3480 Wake Forest Road, Suite 500, Raleigh, NC 27609

Scholarly Works - Journal articles

Extranodal Rosai-Dorfman Disease Presenting as a Pancreatic Mass Associated With Superior Mesenteric Artery Thrombosis.

Journal article ACG Case Rep J · March 2026 Rosai-Dorfman disease (RDD) is a rare, nonmalignant histiocytic disease that classically presents as bulky lymphadenopathy. Although RDD can be seen in various organ systems, gastrointestinal involvement is uncommon. We present a case of RDD involving the ... Full text Link to item Cite

Gastric Squamous Cell Carcinoma as a Cause of Clinically Unstable Gastrointestinal Bleeding.

Journal article ACG Case Rep J · December 2025 Gastric squamous cell carcinoma (GSCC) is rare, accounting for less than 1% of gastric malignancies. Due to its rarity, specifics regarding the clinical presentation and risk factors for this malignancy remain uncertain. We describe a rare case of primary ... Full text Link to item Cite

Structured training program on confocal laser endomicroscopy for pancreatic cystic lesions: a multicenter prospective study among early-career endosonographers (with video).

Journal article Gastrointest Endosc · December 2023 BACKGROUND AND AIMS: Data on how to teach endosonographers needle-based confocal laser endomicroscopy (nCLE)-guided histologic diagnosis of pancreatic cystic lesions (PCLs) are limited. Hence, we developed and tested a structured educational program to tra ... Full text Link to item Cite

Index Symptoms and Prognosis Awareness of Patients With Pancreatic Cancer: A Multi-Site Palliative Care Collaborative.

Journal article J Palliat Care · April 2023 BACKGROUND: Pancreatic cancer has a poor 5-year survival and carries significant morbidity. Pain is a commonly studied symptom in pancreatic cancer; however, few studies examine the frequency of multiple patient-reported symptoms. Our aim is to ascertain p ... Full text Link to item Cite

The Impact of Racial Bias in Patient Care and Medical Education: Let's Focus on the Educator.

Journal article MedEdPORTAL · 2021 INTRODUCTION: Racial bias in health care is well documented. Research shows the presence of racial bias among health care providers. There is a paucity of workshops focused on racial bias effects in health professions educators. METHOD: Two to three worksh ... Full text Open Access Link to item Cite

Top Ten Tips Palliative Care Clinicians Should Know About Interventional Symptom Management Options When Caring for Patients with Gastrointestinal Malignancies.

Journal article J Palliat Med · September 2018 Patients diagnosed with advanced stages of gastrointestinal (GI) malignancies are often quite symptomatic, with symptoms primarily related to anatomic sites of obstruction. Endoscopic approaches to the palliation of GI malignancies have begun to overtake s ... Full text Link to item Cite

Multicenter evaluation of the clinical utility of laparoscopy-assisted ERCP in patients with Roux-en-Y gastric bypass.

Journal article Gastrointest Endosc · April 2018 BACKGROUND AND AIMS: The obesity epidemic has led to increased use of Roux-en-Y gastric bypass (RYGB). These patients have an increased incidence of pancreaticobiliary diseases, yet standard ERCP is not possible because of surgically altered gastroduodenal ... Full text Link to item Cite

The Diagnostic Yield of Repeated Endoscopic Evaluation in Patients with Gastrointestinal Bleeding and Left Ventricular Assist Devices.

Journal article Dig Dis Sci · June 2016 INTRODUCTION: Left ventricular assist devices (LVADs) are increasingly common in patients with advanced heart failure. GI bleeding (GIB) occurs in 20-30 % of these patients and can arise anywhere in the GI tract. Given the high rates of GIB in this populat ... Full text Link to item Cite