Diana Palacio, MD

Associate Professor, Medical Imaging (Clinical Scholar Track)
Acting Division Chief, Cardiothoracic
Director of the Cardiothoracic Fellowship Program

Dr. Palacio graduated from medical school and completed her Radiology Residency Program at The University of Antioquia in Medellin Colombia. She worked as an attending in the affiliated University Hospital of San Vicente de Paul as a Diagnostic Radiologist, with emphasis in Body Imaging. She then obtained a fellowship degree in Pediatric Radiology at the University of Texas Medical Branch in Galveston, Texas, and a Thoracic Imaging Fellowship in the Medical College of Wisconsin in Milwaukee. Her major interests include Imaging of Thoracic and Abdominal diseases of pediatric patients, and Cardiothoracic Imaging in Adults. She has spent most of her career promoting excellence in patient care, by contributing to the education of new generations of medical students and Radiology residents. She also enjoys participating in multidisciplinary interactions with her fellow clinicians, and doctors in training in the approach of diseases pertaining to her subspecialties.  Her research interests, are clinically driven, directed towards divulgating useful and practical clinical information in the daily practice of medicine.

Research Interests: 

Lung, airways, cardiac and esophageal benign and malignant neoplastic disease imaging Imaging of inflammatory and infectious conditions of the lungs and heart Imaging of post surgical complications of cardiothoracic procedures

  • MD: Universidad de Antioquia, Facultad de Medicina. Medelin, Colombia, 1991
Honors and Awards
  • Resident Elected Faculty of the Year, The University of Texas Medical Branch at Galveston, 2007-2008
  • Educational Exhibit Award, Certificate of Merit, RSNA, 2008
  • Best Original Paper, 27th Colombian Congress or Radiology, 2002
  • Third Position Original Paper, 25th Colombian Congress of Radiology, 2000
  • Best Original Paper, 23rd Colombian Congress of Radiology, 1998
  • Best Paper, XVI Interamerican Congress of Radiology, 1998
  • San Vicente De Paul University Hospital, Medelin, Colombia, Clinical, 1991-1992
  • San Vicente De Paul University Hospital, Medelin, Colombia, Radiology, 1995-1998
  • Universidad Pontificia Bolivariana, Medelin, Colombia, Internal Medicine, 1994-1995
  • Medical College of Wisconsin, Milwaukee, WI, Thoracic Radiology, 2005-2006
  • University of Texas Medical Branch, Galveston, TX, Pediatric Radiology, 2004-2005
Board Certifications
  • American Board of Radiology 2012

Select Publications


Motamedi, P., D. Palacio, and J. Campion, "Mobile Thoracolithiasis.", Am J Med, vol. 131, issue 6, pp. e251-e252, 2018 Jun.
Cuellar, S. L. Betancou, D. Palacio, M. F. Benveniste, B. W. Carter, and G. Gladish, "Pitfalls and Misinterpretations of Cardiac Findings on PET/CT Imaging: A Careful Look at the Heart in Oncology Patients.", Curr Probl Diagn Radiol, 2018 Feb 06.
Palacio, D., E. M. Marom, A. Correa, S. L. Betancourt-Cuellar, and W. L. Hofstetter, "Diagnosing conduit leak after esophagectomy for esophageal cancer by computed tomography leak protocol and standard esophagram: Is old school still the best?", Clin Imaging, vol. 51, pp. 23-29, 2018 Sep - Oct.


Palacio, D., S. Betancourt, and G. W. Gladish, "Screening for coronary heart disease in asymptomatic patients using multidetector computed tomography: calcium scoring and coronary computed tomography angiography.", Semin Roentgenol, vol. 50, issue 2, pp. 111-7, 2015 Apr.
Betancourt, S., and D. Palacio, "Imaging of Pulmonary Aspiration Syndrome", Contemporary Diagnostic Radiology, vol. 39, issue 9, 04/2015.
Castillo, R., N. Pham, E. Castillo, S. Aso-Gonzalez, S. Ansari, B. Hobbs, D. Palacio, H. Skinner, and T. M. Guerrero, "Pre-Radiation Therapy Fluorine 18 Fluorodeoxyglucose PET Helps Identify Patients with Esophageal Cancer at High Risk for Radiation Pneumonitis.", Radiology, vol. 275, issue 3, pp. 822-31, 2015 Jun. PMCID: PMC4450911  PMID: 25584706
Betancourt, S. L., D. Palacio, and G. S. Bisset, "The 'wandering appendicolith'.", Pediatr Radiol, vol. 45, issue 7, pp. 1091-4, 2015 Jul.
Palacio, D., M. F. Benveniste, S. L. Betancourt-Cuellar, and G. W. Gladish, "Multidetector computed tomography pulmonary angiography pitfalls in the evaluation of pulmonary embolism with emphasis in technique.", Semin Roentgenol, vol. 50, issue 3, pp. 217-25, 2015 Jul.
Palacio, D., and S. Betancourt, "Multimodality diagnosis of thymolipoma", Society of Thoracic Radiology, no. 12, 2015.


Palacio, D., "Cardiac Paragangliomas", Society of Thoracic Radiology Meeting, San Antonio, TX, Society of Thoracic Radiology, 03/2014.


Palacio, D., SL. Betancourt, W. Hofstetter, and EM. Marom, "Diagnosing leak after esophagectomy for esophageal cancer by CT-esophageal protocol (CTEP) and standard esophagram (SE): is the old school still the best school?", Radiological society of North America 99th Scientific Assembly and Annual Meeting, Chicago, IL, Radiological society of North America 99th Scientific Assembly and Annual Meeting, 12/2013.
Marom, EM., D. Palacio, OR. Mawlawi, AM. Correa, WL. Hofstetter, and SC. Betancourt, "Prognostic value of metabolic tumor volume in patients with esophageal carcinoma", Radiological society of North America 99th Scientific Assembly and Annual Meeting, Chicago, IL, Radiological society of North America 99th Scientific Assembly and Annual Meeting, 12/2013.


Betancourt, S. L., D. Palacio, C. A. Jimenez, S. Martinez, and E. M. Marom, "Thoracic manifestations of inflammatory bowel disease.", AJR Am J Roentgenol, vol. 197, issue 3, pp. W452-6, 2011 Sep.
Palacio, D., R. J. Mehran, and E. M. Marom, "Esophageal luminal clot mimicking intramural esophageal hematoma.", Ann Thorac Surg, vol. 91, issue 2, pp. e29, 2011 Feb.


Kollar, A. C., S. D. Lick, D. M. Palacio, and R. F. Johnson, "Ross procedure with a composite autograft using stretch Gore-Tex material.", Ann Thorac Surg, vol. 88, issue 4, pp. e34-6, 2009 Oct.