Isabel Rojas Santamaria, M.D.

Dr. Isabel Rojas is an assistant professor of Pediatric Gastroenterology at UT Southwestern. Her clinical expertise includes general pediatric gastroenterology and hepatology with focus in liver diseases in particular cholestasis and acute liver failure.

Dr. Rojas received her medical degree at Universidad del Rosario in Bogota, Colombia. She attended the residency program in Pediatrics at University of Oklahoma in Tulsa and finished her fellowship in Pediatric Gastroenterology, Hepatology and Nutrition here at UT Southwestern. She is board certified in Pediatrics and Pediatric Gastroenterology. 

Medical School

Colegio Mayor de Nuestro Senora del Rosario (1994)

Other Post Graduate Training

Fundacion Universitaria de Boyaca Management of Health Institutions (1996)

Residency

Oklahoma State University Medical Center (2008), Pediatrics

Fellowship

UT Southwestern/Children's Medical Center (2012), Pediatric Gi/nutrition

• Pathophysiology of itching from liver disease

Featured Publications

Capsule Endoscopy and Small Bowel Enteroscopy

Isabel Rojas, Bradley Barth Pediatric Gastrointestinal and Liver Disease 2020

CD252 (OX40L)+ Antigen Presenting Cells are Present in the Active EoE Esophageal Epithelium

Lu D, Xue Y, Goyal A, Troendle DM, Parrish C, Bird A, Medina AL, Melo D, Barth B, Patel A, Rodriguez-Baez N, Rojas I, Sathe M, Spechler SJ, Souza RF, Gill M, Cheng E Gastroenterology 2020

Efficacy of mTOR inhibitors in Juvenile Polyposis of Infancy

Yerlioglu D, Taylor H, Phen C, Ballauff A, Nedelkopoulou N, Spier I, Loverdos I, Busoni VB, Heise J, Dale P, De Meij T, Sweet K, Cohen M, Fox VL, Mas E, Aretz S, Eng Ch, Buderus S, Thomson M, Rojas I, Holm Uhlig, H NEJM 2020

Wilson Disease

Rojas IC, Rodriguez-Baez N. Pediatric Gastroenterolgy, Hepatology and Nutrition 2011 313-315

Elevated Aminotranferases

Rojas IC, Rodriguez-Baez N. Pediatric Gastroenterolgy, Hepatology and Nutrition 2011 231-232

Imaging findings of expansile lesions of the thymus.

Restrepo CS, Pandit M, Rojas IC, Villamil MA, Gordillo H, Lemos D, Mastrogiovanni L, Diethelm L Curr Probl Diagn Radiol 2005 Jan-Feb 34 1 22-34

Tracheobronchopathia osteochondroplastica: helical CT findings in 4 cases.

Restrepo S, Pandit M, Villamil MA, Rojas IC, Perez JM, Gascue A, J Thorac Imaging 2004 Apr 19 2 112-6

Pharyngocele: CT and MRI findings.

Restrepo S, Villamil MA, Rojas IC, Palacios E, Ear Nose Throat J 2003 Jul 82 7 492, 494

Wegener's granulomatosis of the nasal cavity.

Restrepo S, Rojas IC, Villamil MA, Palacios E, Ear Nose Throat J 2003 Feb 82 2 100-1

Parotid gland lymphoepithelial cysts in HIV infection.

Rojas R, Di Leo J, Palacios E, Rojas I, Restrepo S Ear Nose Throat J 2003 Jan 82 1 20-2

 Featured Books

Elevated Aminotransferases. In The NASPGHAN Fellows Concise Review of Pediatric Gastroenterology, Hepatology and Nutrition, J. Sondheimer, C. Hurtado, eds.

Rojas IC, Rodriguez-Baez N (2011). New York, Castle Connolly Graduate Medical Publishing, Ltd.

Wilson Disease. In The NASPGHAN Fellows Concise Review of Pediatric Gastroenterology, Hepatology and Nutrition, J. Sondheimer, C. Hurtado, eds.

Rojas IC, Rodriguez-Baez N (2011). New York, Castle Connolly Graduate Medical Publishing, Ltd.

• Intern best board review performance
  University of Oklahoma, Department of Pediatrics (2005)

• American Association for the Study of Liver Diseases (2013)
• North America Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN) (2009)