Amalia M. De Comas, MD

Amalia M. De Comas, MD


Musculoskeletal Oncology, Limb Salvage Surgery, Primary & Revision Joint Replacement Surgery

Board Certified

Medical School

Tulane University School of Medicine


Ochsner Healthcare System


MD Anderson



Mesa Clinic

1500 S Dobson Rd Suite 202
Mesa, AZ, 85202


Scottsdale Clinic

8952 E Desert Cove Ave, Suite 113
Scottsdale, AZ, 85260


Amalia M. De Comas, MD is a board certified, fellowship-trained orthopedic surgeon specializing in adult and pediatric musculoskeletal oncology, including limb salvage. She has extensive training in primary and revision joint replacement surgery.

Dr. De Comas completed a fellowship in musculoskeletal oncology in the Department of Orthopedic Surgery at the reputable MD Anderson in Texas. During her fellowship, she worked in conjunction with leading adult and pediatric oncology experts, with a focus on limb salvage. She fulfilled an extensive residency program in the Department of Orthopedic Surgery at Ochsner Healthcare System. For the duration of her residency, Dr. De Comas assisted in providing the medical coverage for athletic competitions at several Louisiana High School football teams and the University of New Orleans basketball team. She obtained her medical degree from Tulane University School of Medicine in Louisiana. Fluent in Spanish, Dr. De Comas served as the Medical Spanish Instructor at Tulane School of Medicine. In addition, she served as the Director of Service Learning at Ozanam Inn, a student-driven minor medical clinic and TB testing facility.

Dr. De Comas began her educational pursuits at Lee University in Cleveland, Tennessee, where she graduated summa cum laude with a Bachelor's of Science degree in Biochemistry and Biological Sciences. Upon graduation, she and a team of physicians volunteered their medical expertise to the underprivileged communities in Honduras.

Dr. De Comas has presented research at various medical forums and authored articles published in academic journals, including the Journal of Bone and Joint Surgery. She is a member of numerous professional societies including the Musculoskeletal Tumor Society (MSTS), American Academy of Orthopedic Surgeons (AAOS), American Medical Association (AMA), and Ruth Jackson Orthopedic Society (RJOS).

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Patient Comments

Research & Experience

Cauthon DJ, Worthen T, Freed L, DeComas AM. Malignant eccrine hidradenoma. J Am Podiatr Med Assoc. 2013 Jul-Aug;103(4):333-6. PubMed PMID: 23878386.

De Comas AM, Deavers MT, Raymond AK, Madewell JE, Lewis VO. Intraneural parachordoma of the arm with regional metastases. Skeletal Radiol. 2011 Jul;40(7):943-6. doi: 10.1007/s00256-011-1151-1. Epub 2011 Apr 18. PubMed PMID: 21499979.

DeComas AM, Heinrich SD, Craver R. Infantile fibrosarcoma successfully treated with chemotherapy, with occurrence of calcifying aponeurotic fibroma and pleomorphic/spindled celled lipoma at the site 12 years later. J Pediatr Hematol Oncol. 2009 Jun;31(6):448-52. doi: 10.1097/MPH.0b013e3181a1c0c4. PubMed PMID: 19648795.

Decomas A, Kaye J. Risk factors associated with failure of treatment of humeral diaphyseal fractures after functional bracing. J La State Med Soc. 2010 Jan-Feb;162(1):33-5. PubMed PMID: 20336955.

Decomas A, Lurie D, Meyer M. Chondrosarcoma of the foot. Am J Orthop (Belle Mead NJ). 2011 Jan;40(1):37-9. PubMed PMID: 21720585.

Decomas AM, Ochsner JL. Massive osteolysis due to failure of a unipolar endoprosthesis. J Arthroplasty. 2008 Dec;23(8):1240.e5-8. doi: 10.1016/j.arth.2007.10.024. Epub 2008 Apr 8. PubMed PMID: 18534461.

DeComas AM, Penfornis P, Harris MR, Meyer MS, Pochampally RR. Derivation and characterization of an extra-axial chordoma cell line (EACH-1) from a scapular tumor. J Bone Joint Surg Am. 2010 May;92(5):1231-40. doi: 10.2106/JBJS.I.00594. PubMed PMID: 20439670.

Podium and Poster Presentations
55th Annual Meeting ASTRO (The American Society for Radiation oncology)Presenter/Instructor: Sarcoma eCountouring Learning Lab, 9/22/13

Approach to Bony Metastasis. 2010 MD Anderson Musculoskeletal Pathology Course, Houston, TX

Benign Soft Tissue Tumors. 2009 MD Anderson Musculoskeletal Pathology Course, Houston, TX

“Derivation and Characterization of an Extra-Axial Chordoma Cell Line From a Scapular Tumor”. Presented at Louisiana Orthopaedic Society, New Orleans, LA, April 2008, and Ochsner Research Night poster presentation May 2008.

Frazier TP, Penfornis P, DeComas A, Pochampally RA. Encapulated curcumin lipososme inhibits osteosarcoma progression [abstract]. In: Proceedings of the 100th Annual Meeting of the American Association for Cancer Research; 2009 Apr 18-22; Denver, CO. Philadelphia (PA): AACR; 2009.

“Massive Osteolysis due to Failure of a Unipolar Endoprosthesis: Two Case Reports.” Presented at Louisiana Orthopaedic Society, New Orleans, LA, April 2007, and Ochsner Research Night poster presentation May 2007.

Orthopaedic Knowledge Online (AAOS): Synovial Sarcoma. Amalia Decomas, MD and Valerae Lewis, MD.

Outcome Disparities in High Grade Soft Tissue Sarcomas: A Comprehensive Cancer Center’s Experience. Valerae Lewis, MD, Amalia De Comas, MD et al. Poster Presentation at 2011 MSTS/CTOS Combined Meeting, Chicago, IL

Principles of Diagnosis and Staging. 2011, 2012, and 2013 MD Anderson Musculoskeletal Pathology Course, Houston, TX