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Musculoskeletal Tumor Program

Led by Dr. Carl Weinert, our orthopaedic surgeons work in close partnership with pediatric oncologists from the Hyundai Cancer Institute at CHOC Children’s to treat both cancerous and noncancerous tumors of the bones and soft tissues.

Children with bone and soft tissue tumors often require the care of a number of different medical and surgical subspecialists. In addition to our orthopaedic surgeons and pediatric oncologists, our multidisciplinary team consists of physical and occupational therapists, psychologists, social workers and specially trained oncology nurses to manage the unique needs of our patients.

Cancerous Tumors

Cancerous (malignant) tumors of the bones and soft tissue include:

•    Bone sarcomas, including Ewing sarcoma and osteosarcoma
•    Soft tissue sarcomas, including rhabdomyosarcoma and fibrosarcoma

If a diagnosis of cancer is confirmed, it is important that your child receive a referral to an oncologist in a timely manner to discuss the treatment options available. Talk to your orthopaedic specialist about obtaining a referral to the Hyundai Cancer Institute at CHOC Children’s. Learn more about how we treat bone and soft tissue sarcomas.

Non-cancerous Tumors

Non-cancerous (benign) tumors of the bone and soft tissue include:

•    Osteochondroma: an overgrowth of cartilage and bone near the end of a bone, near the growth plate.
•    Chondroblastoma: a rare tumor that usually affects the growing segments of the skeleton.
•    Enchondroma: a slowly growing tumor of cartilage cells in the hands or feet.
•    Giant cell tumor: an aggressive tumor usually occurring at the end of a bone near a joint.
•    Aneurysmal bone cyst: a bone lesion that may develop in the long bones or vertebrae.
•    Baker’s cyst: a cyst that forms at the back of the knee.
•    Chondromyxoid fibroma: a tumor in the shaft of the long bone.
•    Eosinophilic granuloma: can occur anywhere in the body, but most commonly in the skull.
•    Fibromatosis, including desmoid tumors: tumors formed from connective tissue.
•    Hemangiomas: tumors that are formed by a mass of blood vessels.
•    Ganglion cysts: fluid-filled cysts, usually on the wrist or foot.
•    Neurocutaneous syndromes, including tuberous sclerosis and neurofibromatosis: conditions that cause tumors in the nerve tissue.

The Latest Treatment Options

The CHOC Children’s Orthopaedic Institute has done extensive research into the safest and most effect surgery methods that restore a limb rather than amputate whenever possible. These methods include:

•    Bone and soft tissue transplants
•    Microvascular and muscle transfers
•    Bone graft substitutes

These techniques all allow a limb to be restored with good function. There are even devices that can be expanded or “grown” for children to account for normal skeletal growth that is otherwise lost.

Contact Us

For more information on this program, please call the Orthopaedic Institute at 888-770-2462 and press 2 for specialty clinics.

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UC Irvine

CHOC Children's is affiliated with the UC Irvine School of Medicine