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 Treated
- Abdominal aortic aneurysm
- Abdominal tumors
- Achalasia
- Anorectal malformation (imperforate anus or ARM)
- 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 (CH)
- Dermoid cyst
- Esophageal or bronchogenic cyst
- 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 (skinlesions)
- Liver (hepatic) tumors
- Liver cysts
- Lung cysts
- Lymphangioma
- Meckel's diverticulum (MD)
- Neck cysts and enlarged lymph nodes
- Neck tumors
- Neuroblastoma
- Omphalocele
- Ovarian cysts and tumors
- Ovarian tumor
- Pancreatic cysts
- Pancreatic tumors
- Pancreatitis
- Parathyroid Mass
- Pectus carinatum (pigeon chest)
- Pectus excavatum (sunken chest/funnel chest)
- Pediatric phimosis
- Pelvic masses
- Pelvic tumors
- Pilomatrixoma
- Pilonidal disease
- Pyloric stenosis
- Rhabdomyosarcoma
- Spleen cyst
- Thymus tumors
- Thyroglossal duct cyst
- Ulcerative colitis (UC)
- Umbilical hernia (belly button)
- Undescended testes (cryptorchidism - UDT)
- Wilms tumor (nephroblastoma)
Treatments
- Circumcision
- Dynamic compressor system or circumferential braces
- Extracorporeal membrane oxygenation (ECMO)
- Fetal and ex-utero intrapartum treatment (EXIT) procedure
- Laparoscopic pull-through procedure for anorectal malformations (ARM)
- Laparoscopic pull-through procedure for Hirschsprung disease
- Laparoscopic surgery
- Posterior sagittal anorectal vaginal urethroplasty (PSARVUP)
- Posterior sagittal anorectoplasty (PSARP)
- Ravitch procedure
- The Nuss Procedure