Mark Leo Ryan, MD
- Pediatric Surgeon, Assistant Professor at UT Southwestern Medical Center
- Languages spoken: English
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 (skin lesions)
- 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
Departments and Programs
More Information
Awards & Honors
Publications
Research Interests
Professional Activities