Kathleen Ludwig, MD $$

Pediatric Hematologist/Oncologist

Assistant Professor at UT Southwestern Medical Center

Languages Spoken:
English Spanish


UT Southwestern Pediatric Group

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Kathleen Ludwig, M.D., is a Pediatric Oncologist at Children’s Health and an Associate Professor of Pediatric Hematology-Oncology at UT Southwestern. Dr. Ludwig has a special interest in caring for patients with leukemia, lymphoma, relapsed leukemia and lymphadenopathy, as well as managing general pediatric oncology disorders. She also devotes part of her practice to treating patients with vascular anomalies.  

Families play a vital role in the care of their child with cancer, and I work closely with them to provide the best, most informed care possible.
Dr. Ludwig

Dr. Ludwig earned her medical degree from Loyola Stritch School of Medicine. She completed her residency in general pediatrics and fellowship in pediatric hematology-o/oncology at UT Southwestern Medical Center. 

In addition to treating patients, Dr. Ludwig conducts cancer research aiming to find new medicines and improve survival for patients whose leukemia comes back after treatment. She is an active member of the Children’s Oncology Group, a global consortium of researchers working to improve care and outcomes for children with cancer worldwide. 

“Families play a vital role in the care of their child with cancer, and I work closely with them to provide the best, most informed care possible,” says Dr. Ludwig. 


Education and Training

Medical School
Loyola University of Chicago, Stritch Sch of Med (2009)
UT Southwestern Medical Center (2012), Pediatrics
UT Southwestern - Childrens Medical Center (2015), Pediatric Hematology/Oncology
Board Certification
American Board of Pediatrics/Hematology-Oncology
  • Research Interests

    • Leukemia
    • Vascular Anomalies
    • Lymphoma
    • Blood Cancers
  • Publications

    • Amanda Kirane, Kathleen F. Ludwig, Noah Sorrelle, Gry Haaland, Tone Sandal, Renate Ranaweera, Jason E. Toombs, Miao Wang, Sean P. Dineen, David Micklem, Michael T. Dellinger, James B. Lorens, Rolf A. Brekken; Warfarin Blocks Gas6-Mediated Axl Activation Required for Pancreatic Cancer Epithelial Plasticity and Metastasis. Cancer Res 15 September 2015; 75 (18): 3699–3705. https://doi.org/10.1158/0008-5472.CAN-14-2887-T
    • Ludwig KF, Slone T, Cederberg KB, Silva AT, Dellinger M. A New Case and Review of Chylothorax in Generalized Lymphatic Anomaly and Gorham-Stout Disease. Lymphology. 2016 Jun;49(2):73-84. PMID: 29906363.
    • Mir A, Agim NG, Kane AA, Josephs SC, Park JY, Ludwig K. Giant Congenital Melanocytic Nevus Treated With Trametinib. Pediatrics. 2019 Mar;143(3):e20182469. doi: 10.1542/peds.2018-2469. PMID: 30792255.
    • Kolitz E, Fernandes NJ, Agim NG, Ludwigl K. Response to Alpelisib in Clinically Distinct Pediatric Patients With PIK3CA -related Disorders. J Pediatr Hematol Oncol. 2022 Nov 1;44(8):482-485. doi: 10.1097/MPH.0000000000002418. Epub 2022 Feb 4. PMID: 35129141.
    • Butler E, Ludwig K, Pacenta HL, Klesse LJ, Watt TC, Laetsch TW. Recent progress in the treatment of cancer in children. CA Cancer J Clin. 2021 Jul;71(4):315-332. doi: 10.3322/caac.21665. Epub 2021 Apr 1. PMID: 33793968.
  • Professional Activities

    • American Society of Clinical Oncology
    • American Society of Hematology
    • American Society of Pediatric Hematology/Oncology
    • Children’s Oncology Group
  • Awards and Honors

    • D Magazine Best Pediatric Specialists 2021
    • Best Basic Science Award 2014, Annual Surgical Research Forum, UT Southwestern
    • Best Poster Award 2015, UT Southwestern Pediatric Fellow's Research Symposium
    • Above-and-Beyond Recognition for Excellence 2010, UT Southwestern Pediatric Residency Program

Where I Provide Care: