Mark Leo Ryan, MD
Pediatric Surgeon
Assistant Professor at UT Southwestern Medical Center
- Languages Spoken:
- English
Biography
Mark Ryan, M.D., is a pediatric general and thoracic surgeon at Children’s Health℠. He is an assistant professor of Surgery at UT Southwestern. Dr. Ryan specializes in trauma, disaster management and critical care. His clinical interests include extracorporeal membrane oxygenation (ECMO), chest wall anomalies and neonatal surgery.
Dr. Ryan earned his medical degree from the Albert Einstein College of Medicine with a distinction in surgical research. He completed his surgery training at Jackson Memorial Hospital, which included two years of clinical research in trauma. He completed his surgical critical care at Le Bonheur Children’s Hospital followed by a fellowship in pediatric surgery at Arkansas Children’s Hospital.
Dr. Ryan lives in Dallas with his wife and their two children. In his spare time, he enjoys hiking and building customized computers.
Education and Training
- Medical School
- Albert Einstein College of Medicine (2007)
- Residency
- University of Miami - Jackson Memorial Hospital (2014), General Surgery
- Fellowship
- Arkansas Children's Hospital (2018), Pediatric Surgery
Univ of Tennessee and Le Bonheur Children's Hosp (2016), Surgical Critical Care - Board Certification
- American Board of Surgery/Pediatric Surgery
Conditions
- Abdominal Aortic Aneurysm
- Abdominal Tumors
- Achalasia
- Anorectal Malformation (Imperforate Anus)
- Appendicitis
- Biliary Tract Problems
- Branchial Cleft Cysts
- Chest Tumors
- Choledochal Cysts
- Cloacal Anomaly
- Cloacal Exstrophy
- Collapsed Lung (Pneumothorax)
- Congenital Diaphragmatic Hernia (CDH)
- Congenital Lung Lesions
- Cystic Hygroma
- Dermoid Cysts
- Esophageal or Bronchogenic Cyst
- Gallstones and Gallbladder Disease
- Gastroesophageal Reflux Disease (GERD)
- Gastroschisis
- Hepatoblastoma (Liver Cancer)
- Hirschsprung's Disease
- Hydrocele
- Inguinal Hernia (Groin)
- Intestinal Atresia
- Intestinal Disorders
- Intestinal Malrotation and Volvulus
- Intussusception
- Kidney Tumors
- Lipomas (Skin Lesions)
- Liver (Hepatic) Tumors
- Liver Cysts
- Lung Cysts
- Lymphangioma
- Meckel's Diverticulum
- Neck Cysts and Lymph Nodes
- Neck Tumors
- Neuroblastoma
- Omphalocele
- Ovarian Cysts
- Ovarian Tumors
- Pancreatic Cysts
- Pancreatic Tumors
- Pancreatitis
- Parathyroid Masses
- Pectus Carinatum (Pigeon Chest)
- Pectus Excavatum (Sunken Chest)
- Pelvic Masses
- Pelvic Tumors
- Phimosis
- Pilomatrixoma
- Pilonidal Disease
- Pyloric Stenosis
- Rhabdomyosarcoma
- Spleen Cysts
- Thymus Tumors
- Thyroglossal Duct Cyst
- Ulcerative Colitis (UC)
- Umbilical (Belly Button) Hernia
- Undescended Testes (Cryptorchidism - UDT)
- Wilms Tumor (Nephroblastoma)
Treatments
- Pediatric Circumcision
- Dynamic Compressor System and Circumferential Braces
- Pediatric Extracorporeal Membrane Oxygenation (ECMO)
- Fetal and EX Utero Intrapartum Treatment (EXIT)
- Laparoscopic Pull-Through for Anorectal Malformations (ARM)
- Adolescent Laparoscopic Sleeve Gastrectomy Weight Loss Surgery
- Pediatric Laparoscopic Surgery
- Laparoscopic Pull-Through Surgery for Hirschsprung Disease
- PSARVUP Surgery for Cloacal Malformations
- Posterior Sagittal Anorectoplasty (PSARP)
- The Nuss Procedure
- The Ravitch Procedure
Departments and Programs
-
Research Interests
- Extracorporeal membrane oxygenation (ECMO)
- Surgical Critical Care
- Pediatric Trauma
- Chest Wall Deformity
- Minimally Invasive Gastrointestinal and Thoracic Surgery
- Neonatal Surgery
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Publications
- Gillory L, Cairo S, Megison S, Vinson L, Chung D, Ryan ML. Effect of Quarantine and Reopening Measures on Pediatric Trauma Admissions During the COVID-19 Pandemic. JACS. 2022 Apr; 234(4); 685-90
- Sanford EL, Zagory J, Blackwell J, Szmuk P, Ryan ML, Ambardekar A. Changes in pediatric trauma during COVID-19 stay-at-home epoch at a tertiary pediatric hospital. J Pediatr Surg. 2021 May; 56(5): 918-22
- Mokdad AA, Wolf LW, Pandya S, Ryan ML, Qureshi, FG. Road traffic accidents and disparities in child mortality. Pediatrics. 2020 Oct; 146(5): e20193009
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Professional Activities
- American College of Surgeons
- American Pediatric Surgical Association
- American Academy of Pediatrics
- Pediatric Trauma Society
- International Pediatric Endosurgery Group
- The American Association for the Surgery of Trauma
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Awards and Honors
- Fellow of the American College of Surgeons 2021
- University of Miami/Jackson Memorial Hospital 2012, Robert Zeppa Resident Research Award
- Society of American Gastrointestinal and Endoscopic Surgeons Annual Meeting 2012, 2nd Place: Top Gun Laparoscopic Skills Competition
- The American Association for the Surgery of Trauma 2011, Medical Student/Resident Scholarship
