Darrell Cass, MD

Darrell Cass, MD

General Surgery Houston, TX

Co-Director, Texas Children's Fetal Center; Associate Professor, Baylor College of Medicine

Office Address

Office Map
  • 6701 Fannin St, Suite 1210
    Houston, TX 77030
    Phone: (832) 822-3135
    Fax: (832) 825-3141


  • Dr. Cass is an Associate Professor in the Michael E. DeBakey Department of Surgery at the Baylor College of Medicine. In addition, he holds appointments in the Departments of Pediatrics and Obstetrics and Gynecology. He serves as the Co-Director of the Texas Children's Fetal Center, one of only 3 centers in the world to have performed successful open fetal surgery for life-threatening fetal malformations (lung tumors and sacrococcygeal teratoma). Dr. Cass is an attending fetal and pediatric surgeon who practices mostly at Texas Children's Hospital, though he does have staff appointments at several other Houston area hospitals. Dr. Cass has an NIH-funded research laboratory that studies scarless fetal tissue repair and fetal vascular wall healing. He has particular clinical expertise in congenital diaphragm hernia, ECMO, congenital lung malformations, chest wall deformities (i.e. pectus excavatum), minimally invasive surgery, newborn surgical conditions, and ovarian disorders.

Dr. Cass's Clinical Specialties & Interests

  • General Surgery: Pediatric
  • Clinical Interests: Fetal Surgery; Neonatal Surgery; Lung Diseases; Pectus Excavatum; Minimally Invasive Surgical Procedures; Diaphragm Hernia; Diaphragm; Diaphragmatic Eventration; Congenital Cystic Adenomatoid Malformation of Lung; Esophagus

Dr. Cass's Faculty Appointments & Work History

  • Attending SurgeonTexas Children's Hospital
    Houston, TX
  • Co-DirectorTexas Children’s Hospital
    Houston, TX
  • Associate ProfessorBaylor College of Medicine
    Houston, TX
  • Assistant ProfessorBaylor College of Medicine
    Houston, TX
  • Clinical Instructor in SurgeryThe Children’s Hospital of Philadelphia
    Philadelphia, PA
  • Clinical Instructor in SurgeryUniversity of California, San Francisco
    San Francisco, CA

Dr. Cass's Education & Medical Training

  • Baylor College of MedicineBaylor College of MedicineFellowship, Pediatric Surgery
  • UCLA Sch of MedDavid Geffen School of Medicine at UCLAMedical School
  • Stanford UniversityStanford UniversityOther Training, BA, Human Biology

Dr. Cass's Certifications & Licensure

  • ID State Medical LicenseID State Medical License2013 - 2015
  • IA State Medical LicenseIA State Medical License2013 - 2015
  • ME State Medical LicenseME State Medical License2011 - 2014
  • TX State Medical LicenseTX State Medical License2001 - 2015
  • WI State Medical LicenseWI State Medical LicenseActive through 2013
  • American Board of SurgerySurgery, 2000, Current
  • American Board of SurgeryPediatric Surgery, 2002

Dr. Cass's Awards, Honors, & Recognition

  • FellowSociety of University Surgeons, 2003
  • MemberAmerican Pediatric Surgery Association, 2003
  • Lyndon Baines Johnson Research Award, American Heart Association, Texas Affiliate2003
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Dr. Cass's Publications & Presentations

PubMed | Citations by Web of Science®

Journal Articles

  • Differential expression of IL-6 by fetal fibroblasts.  Liechty KW, Crombleholme TM, Sylvester KG, Lovvorn HN, Kitano YL, Cass DL, Adzick NS, Surg Forum 48:707-709
  • Human Factor IX corrects the bleeding diathesis of mice with Hemophilia B.  Kung SH, Hagstrom JN, Cass D, Tai SJ, Lin HF, Stafford DW, High KA, Blood 91:784-790
  • Regenerative capabilities of the fetal vascular wall.  Cass DL, Lovvorn HN, Yang EY, Sylvester KG, Adzick NS, Surg Forum 50:468-469
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Books/Book Chapters

  • Ultrasound and Fetal Therapy. Chapter: Congenital cystic adenomatoid malformation Page 49 - 60
    Cass DL, Adzick NS
    Editors: Rodeck C, Evans M.Parthenon Press, New York, NY
  • Pediatric Oculoplastic Surgery. Chapter: Fetal wound healing implications Page 31 - 42
    Cass DL, Adzick NS
    Editors: Katowitz JA.Springer-Verlag, New York, NY
  • Fetal surgery: applications to increase survival rates  Page 1 - 2
    Cass DL
    Editors: .Neonatal News.Net
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  • Prenatal diagnosis and management of congenital lobar emphysema.
    35. Cass DL, Olutoye OO, Adam K, Coleman B, Hubbard A, Adzick NS, 21st International Fetal Medicine and Surgery Society, Quebec, Canada
  • Age-dependent variations in endothelial cell function.
    37. Olotoye OO, Zhu X, Cass DL, Smith CW, 22nd Annual Meeting, International Fetal Medicine and Surgery Society, Zermatt, Switzerland
  • Renal tumors in infants less than 6 months of age.
    Glick RD, Hicks MJ, Nuchtern JG, Wesson DE, Olutoye OO, Cass DL, Poster Presentation, 34th Annual Meeting of the American Pediatric Surgical Association, Fort Lauderdale, FL
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  • Scarless fetal wound repair. Grand Rounds, UCSF Department of Surgery, San Francisco, California
  • Perineal one stage operative pull-through (POOP) procedure for Hirschsprung’s Disease. Grand Rounds, UCSF Department of Surgery, San Francisco, CA
  • Gastroesophageal reflux disease: Current diagnosis and management. Grand Rounds, UCSF Department of Surgery, San Francisco, CA
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Dr. Cass's Professional Memberships

Other Languages

  • Spanish

Insurance Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS Texas BlueChoice
  • CIGNA Open Access
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO

Medical Groups

  • American Academy of Pediatrics PA
  • American College of Surgeons
  • Baylor Pediatric Surgery

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