Download Curriculum Vitae

Dr. Alexandra (Alex) K. Callan is extremely excited to join the faculty at UT Southwestern to establish an Orthopaedic Oncology Program.  While born in Denver, Colorado – she calls The Woodlands, Texas home. She graduated from the University of Notre Dame with a Bachelor’s of Science degree and a love for Irish Football! Following college, she joined the Teach For America Corps to teach high school science and coach volleyball, basketball, and softball for three years. Subsequently, she attended medical school at Baylor College of Medicine where she found a passion for surgery. Alex complete her Orthopaedic Surgery Residency at Vanderbilt University Medical Center in Nashville, Tennessee and Orthopaedic Oncology Fellowship at MD Anderson Cancer Center in Houston, Texas.  Dr. Callan is committed to grow the Multidisciplinary Sarcoma Program at UT Southwestern Medical Center and Children's Health. She has a gift for teaching residents and medical students and dedication to excellent, personalized patient care.  

In her free time, she enjoys wakeboarding, live music, snowboarding, travel, and adventure.


Medical School
Baylor College of Medicine (2011)
Vanderbilt University Medical Center (2016), Orthopedic Surgery
MD Anderson Cancer Center (2017), Orthopedic Oncology

Clinical Interest

Cancerous (Malignant) Bone Tumors

  • Adimantinoma
  • Chondrosarcoma/Chordoma
  • Ewing Sarcoma/PNET
  • Osteosarcoma
  • Telangiectatic Osteosarcoma

Benign (Noncancerous) Bone Tumors

  • Aneurysmal Bone Cyst
  • Chondroblastoma
  • Chondromas
  • Chondromyxoid Fibroma
  • Enchondroma
  • Fibrous Dysplasia
  • Giant Cell Tumor
  • Langerhans Cell Histiocytosis
  • Non-Ossifying Fibroma
  • Osteochondroma
  • Osteoid Osteoma/Osteoblastoma
  • Unicameral Bone Cyst

Soft Tissue Sarcoma

  • Alveolar Soft Part Sarcoma
  • Angiosarcoma
  • Clear Cell Sarcoma
  • Epitheliod Sarcoma
  • Fibrosarcoma
  • Leiomyosarcoma
  • Liposarcoma
  • Malignant Fibrous Histiocytoma
  • Malignant Peripheral Nerve Sheath Tumors (MPNST)
  • Myxofibrosarcoma
  • Rhabdomyosarcoma
  • Synovial Sarcoma
  • Undifferentiated Pleomorphic Sarcoma

Joint Disorders Surgical Treatment

  • Complex Arthroplasty Revisions

Orthopaedic Disorders

  • Benign Bone Lesions, Cysts, or Tumors
  • Fragility Fractures
  • Lower Extremity/Foot Tumors
  • Metabolic Bone Disease
  • Metastatic Bone Disease
  • Osteonecrosis (Avascular Necrosis)
  • Pelvic/Sacral Tumors
  • Soft Tissue Lumps and Bumps
  • Upper Extremity/Hand Tumors


  • Arthritis

Research Interest

  • Clinical and Functional Outcomes in Orthopaedic Oncology
  • Limb Salvage Techniques for Osteosarcoma and Ewing Sarcoma
  • Metastatic Bone Disease
  • Quality of Life in Musculoskeletal Oncology


Featured Publications LegendFeatured Publications

Deep Spine Infection After Acupuncture in the Setting of Spinal Instrumentation.
Callan AK, Bauer JM, Martus JE Spine Deform 2016 Mar 4 2 156-161
On-Call Communication in Orthopaedic Trauma: "A Picture Is Worth a Thousand Words"--A Survey of OTA Members.
Molina CS, Callan AK, Burgos EJ, Mir HR J Orthop Trauma 2015 May 29 5 e194-7

Honors & Awards

  • Dedman Family Scholar in Clinical Care

Professional Associations/Affiliations

  • Musculoskeletal Tumor Society (2016)
  • Ruth Jackson Orthopaedic Society (2016)
  • American Academy of Orthopaedic Surgeons (2011)