Bone and Soft Tissue Tumors Program | Conditions and Treatments

Adamantinoma

Bones naturally grow and change as your child gets older. However, throughout this long process, problems can sometimes occur. An adamantinoma is a slow-growing cancerous bone tumor that’s most often...

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Alveolar Soft Part Sarcoma

Alveolar soft part sarcoma (ASPS) is a malignant (cancerous) soft tissue tumor, which are tumors that start in the soft connective tissues of the body such as fat, muscles or nerves. ASPS is a very...

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Aneurysmal Bone Cyst

Aneurysmal bone cysts Bones naturally grow and change as your child gets older. However, throughout a long process, abnormalities can sometimes occur. An aneurysmal bone cyst (which is often...

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Bone tumors and bone cysts

Note: This page is focused on benign (non-cancerous) bone tumors and cysts. Finding out that your teen or child has a bone tumor or cyst can cause a lot of anxiety for everyone in the family. You'll...

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Cancer

Childhood cancer is not a single disease type, but an umbrella group of diseases that include blood cancers (leukemia and lymphoma), brain tumors and other solid tumors (of the organs, bones or soft...

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Condition
Chondroblastoma

At Boston Children's, we see many children with chondroblastoma, even though it's a rare tumor. Other institutions may see children with it just a few times a year. We're comfortable treating...

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Chondromas

Overview Chondromas are benign (not cancerous) tumors made of cartilage that are found mostly in the small bones of the hand and feet. They can also occur in the humerus (upper arm), femur (thigh bone...

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Chondrosarcoma

What is chondrosarcoma? Chondrosarcoma is a malignant (cancerous) tumor that typically develops in the cartilage that coats the ends of bones and forms joints. It also may occur inside the bone or on...

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Desmoid Tumor

A Desmoid tumor develops in the fibrous tissue that forms tendons and ligaments. most often it occurs in the arms, legs or midsection it can also occur in the head and neck desmoid tumor is also...

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Enchondroma

Enchondromas are non-cancerous cartilage tumors that can occur in the arms and legs. • Enchondromas are the most common type of bone tumor in the hand. • Boys and girls of any racial background can be...

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Ewing Sarcoma

Ewing sarcoma is a kind of cancer that grows in bones or soft tissues. The tumor was first described by a pathologist, Dr. James Ewing, in the 1920’s. Most often, it is found in the bones of the...

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Fibrosarcoma

A fibrosarcoma is a cancerous soft tissue tumor that originates in the connective fibrous tissue found at the ends of arm and leg bones; it then spreads to other surrounding soft tissues. Fibrosarcoma...

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Fibrous Dysplasia

Overview Fibrous dysplasia is a developmental abnormality that results in abnormal growth, pain and deformity of the affected bones. The condition is subdivided into three types: Monomelic: This is...

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Giant Cell Tumor

Overview A giant cell tumor is a benign solitary tumor that usually grows in the ends of long bones, and contains unusually large cells that are called giant cells. Most commonly occur in the femur ...

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Hemangiopericytoma

Overview Hemangiopericytoma is a rare tumor that grows in the body’s soft tissue, which includes fat, muscles, tendons, nerves, blood vessels and other fibrous tissue. In a baby, this condition is...

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Langerhans Cell Histiocytosis

Langerhans cell histiocytosis (LCH) is a rare disorder that occurs when a child has too many of a certain cell type called Langerhans cells. These cells usually are in the skin and help fight...

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Leiomyosarcoma

If your child has been diagnosed with leiomyosarcoma, you’ll have concerns and questions about her health, treatment, recovery and other issues. It may comfort you to know that leiomyosarcoma is a...

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Liposarcoma

What is liposarcoma? Liposarcoma is a cancerous soft tissue tumor that develops in fat tissue. It’s usually found in the abdominal cavity or extremities (such as the thigh or upper arm), but it can...

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Condition
Non-Ossifying Fibroma

Overview A non-ossifying fibroma is a benign (non-cancerous), non-aggressive tumor that consists mainly of fibrous tissue. It usually occurs in the thighbone or shinbone, but may also occur in the...

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Osteoblastoma

Osteoblastoma is a benign, bone-forming tumor that is extremely rare, accounting for only 1 percent of all primary bone tumors. Unlike most primary bone tumors, which favor the extremities,...

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Osteochondroma (Extosis)

Overview Osteochondroma is the most common type of non-cancerous (benign) bone tumor. An osteochondroma is a hard mass of cartilage and bone that generally appears near the growth plate (a layer of...

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Osteoid Osteoma

An osteoid osteoma is a benign (non-cancerous), small tumor that usually grows in the long bones of a person’s lower extremities. The thighbone is the most common location, although it can occur in...

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Osteosarcoma

Osteosarcoma is the most common type of bone cancer in children and young adults. It usually occurs in the long bones, such as the arms or legs, though it can also occur in the pelvis, spine, jaw or...

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Pigmented villonodular synovitis (PVNS)

Overview Pigmented villonodular synovitis (PVNS) is a type of benign (non-cancerous) tumor that arises from the soft connective tissue of joints. Any joint can be affected, although the tumor is most...

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Rhabdomyosarcoma

Rhabdomyosarcoma is a cancerous tumor that grows in the body's soft tissues (which connect, support or surround organs and other body structures), particularly in the muscles that attach to bone and...

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Schwannoma (Neurilemoma)

Schwannoma, also called neurilemoma, is a benign tumor that can arise from any nerve in the body, although it tends to favor certain nerves located in the head and neck along with nerves that are...

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Soft Tissue Sarcomas

Soft tissue sarcomas are malignant (cancerous) tumors that begin in the tissues that connect, support or surround the body's organs and structures. These are the body's soft tissues, and they include...

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Synovial chondromatosis

Bone & Soft Tissue Tumors Program Learn more about our Bone & Soft Tissue Tumors Program, where we care for children with benign and malignant bone and soft tissue conditions...

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Synovial Sarcoma

Synovial sarcoma is a cancerous soft tissue tumor that usually occurs near the joints. Under the microscope a synovial tumor resembles synovial tissue (the lining tissue of joints). This tissue is...

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Unicameral Bone Cyst

Overview What is a unicameral bone cyst? A unicameral bone cyst, otherwise known as a simple bone cyst, is a fluid-filled cavity in the bone, lined by compressed fibrous tissue. It usually occurs in...

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Vascular Malformations, Tumors, and Hemangiomas

Vascular malformations, tumors and hemangiomas all refer to a variety of non-cancerous birthmarks and lesions. Boston Children's Hospital is home to internationally renowned physicians for their...

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