About

Dr Allison Orthopedic Oncologist LADaniel C. Allison, MD, FACS, is an internationally recognized orthopedic oncology and advanced reconstruction surgeon. His current appointments include Assistant Professor and Assistant Director of Orthopedic Oncology at Cedars-Sinai Medical Center, Clinical Associate Professor at University of Southern California, and Co-Director of Orthopedic Oncology at Children’s Hospital of Los Angeles (CHLA). Partnering with Dr. Allison is a multidisciplinary team of practitioners specializing in musculoskeletal tumors and cancers, severe degenerative bone and joint disease, and complex orthopedic trauma.

Because of the complex and extensive conditions involved, Orthopedic oncology is a unique field with very few specialists. Dr. Allison is one of the most sought after experts in the western United States regarding various musculoskeletal tumor and complex non-tumor diseases. His training in the treatment of oncologic disorders makes him exceptionally adept at handling complex non-oncologic bone and joint conditions, like severe degenerative disease (osteoarthritis), trauma, prior surgery, infection, metabolic bone disease, congenital deformity, and much more, especially as it pertains to joint replacement. With a treatment philosophy based on caring for patients like family, Dr. Allison is dedicated to providing comprehensive, world-class care.

Multi-Disciplinary Expertise

Dr. Allison’s training and experience as an orthopedic oncology and advanced reconstruction specialist gives him extensive knowledge of complex pelvic and extremity disorders of bone and soft tissue, including tumors, degenerative joint disease, and complex trauma, orthopedic complications, and more, which is critical when treating extensive orthopedic conditions.


With with expertise in and access to some of the most medically advanced procedures and technology, Dr. Allison and his orthopedic team treat a range of orthopedic conditions, including:

  • Malignant tumors (cancers) of bone and soft tissue
  • Benign tumors of bone and soft tissue
  • Severe hip and knee joint degeneration requiring reconstruction and replacement
  • Failure or need for revision of hip and knee replacement
  • Complex pelvic and extremity trauma and fracture care
  • Complications from trauma, including malunions and non-unions
  • Peri-prosthetic (joint replacement) infection and osteomyelitis (bone infection)
  • Limbs at risk for loss or amputation
  • Orthopedic complications

Orthopedic Oncology Treatment Solutions

As with other malignancies, musculoskeletal cancers require consistent, standardized care that is also individualized to match the specific patient. Numerous factors affect the course of treatment and outcomes for these tumors, such as stage, location, subtype, grade, and size, in addition to a patient’s age and general health. In addition to following the evidence and highest standards, Los Angeles’s Dr. Allison develops a treatment plan unique to each patient recommending comprehensive, multi-disciplinary solutions for the best possible outcome.

Benign or malignant tumors treated by Dr. Allison include:

  • Bone Cancers – from primary bone sarcomas (osteosarcoma, chondrosarcoma, Ewing’s sarcoma) to metastatic bone disease (from breast cancer, prostate cancer, lung cancer, and other carcinomas)
  • Soft Tissue Cancers – soft tissue sarcomas (pleomorphic sarcoma, liposarcoma, synovial sarcoma)
  • Invasive Skin Cancers – melanoma, squamous cell carcinoma, and Merkel cell carcinoma

Often surgery is a recommended treatment for these cases, and Dr. Allison’s goal is to eliminate the disease while minimize the affect of surgical trauma on the body.

Complex Joint Reconstruction

Degeneration (“wear and tear”), inflammatory rheumatologic conditions (like rheumatoid arthritis, psoriatic arthritis, or lupus), fractures around the joint (acutely or chronically), avascular necrosis (bone death), congenital deformities, infection, bleeding disorders, neuropathic conditions, and metabolic disorders can all cause joint destruction with associated severe pain and disability. Hip, knee, and shoulder replacement can offer an excellent solution to these difficult problems, but these procedures require an expert with extensive reconstruction experience, especially in complex cases with extensive bone loss and deformity. Prior joint replacements can fail from loosening (loss of fixation in the bone), fracture around the implant (periprosthetic fracture), scarring of the soft tissues (arthrofibrosis), malalignment, infection, and implant wear or fatigue. Dr. Allison has extensive training and expertise in the reconstruction of complex primary joint conditions and revision joint replacement that allows him to handle any joint replacement scenario.

Experienced Skeletal Trauma Surgeon

Experienced Orthopedic Oncology Specialist LAAcute skeletal trauma requires immediate evaluation and treatment in order to optimize healing and recovery. Coordinating efforts with a team of trauma specialists, Dr. Allison determines the best treatment for complex and multiple extremity and pelvic injuries.

Los Angeles’ Dr. Allison’s background in the treatment of destructive orthopedic tumors and extensive training at Los Angeles County General Hospital aptly qualifies him to fix bones and preserve soft tissues damaged by traumatic injuries, applying sophisticated bone and soft tissue preservation techniques. He and his surgical team efficiently treat a scope of complex orthopedic trauma, including upper and lower extremity long bone fractures, pelvic and acetabular fractures, and hip fractures requiring joint replacement.

Outstanding Orthopedic Care

A well coordinated, multi-disciplinary team lead by a specialist like Dr. Allison can offer the extensive resources and treatment solutions necessary to optimize outcome. Learn more about orthopedic oncology, joint reconstruction, and skeletal trauma treatments in our Blog. Also, see Dr. Allison in the news.

Call today to schedule a personal consultation at (310) 730-8008.


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