Parosteal osteosarcoma is a rare type of low-grade bone cancer that forms on the outer surface of a bone, rather than inside the bone. The word “parosteal” means “beside the bone,” and this tumour starts in the thin layer of tissue that covers the bone, called the periosteum. It grows slowly and is considered a …
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Low-grade central osteosarcoma (LGCOS) is a rare type of bone cancer. It starts inside the medullary cavity, the central part of a bone where the bone marrow is found. LGCOS is called “low-grade” because the cancer cells look only mildly abnormal under the microscope and grow slowly compared to more aggressive forms of osteosarcoma. The …
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Chronic myeloid leukemia (CML) is a type of cancer that affects the blood and bone marrow. In this disease, the bone marrow, the soft tissue inside your bones where blood cells are made, produces too many white blood cells called myeloid cells. These cells normally help fight infections, but in chronic myeloid leukemia, they grow …
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Grade 3 chondrosarcoma, also known as high-grade chondrosarcoma, is a type of cancer made up of cartilage that develops within the medulla (central space) of a bone. It is one of the most common types of primary bone cancer in adults. Why is the grade important? Chondrosarcomas are graded based on their appearance under the …
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Grade 2 chondrosarcoma, also known as intermediate grade chondrosarcoma, is a type of cancer made up of cartilage that develops within the medulla (central space) of a bone. It is one of the most common types of primary bone cancer in adults. Why is the grade important? Chondrosarcomas are graded based on their appearance under …
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Chondroblastic osteosarcoma is a type of bone cancer. This type of cancer can start in any bone in the body, however, most are found in the long bones of the arms and legs. The jaws are also commonly involved. This type of cancer affects both children and older adults. The term “chondroblastic” means that some …
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A central atypical cartilaginous tumour (ACT) is a type of bone cancer. The tumour is called “cartilaginous” because it is made up of cartilage-producing cells. Cartilage is a type of connective tissue normally found throughout the body. These tumours start on the inside of a bone in a space called the “medulla”. Another name for …
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Background: Ewing sarcoma is a rare type of cancer that occurs in the bones or in the soft tissue around the bones. It primarily affects children and young adults, typically between the ages of 10 and 20. This cancer is most commonly found in the long bones of the arms and legs, the pelvis, and …
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What are the Ewing family of tumours? Ewing family of tumours (EFTs) is a category of disease that includes several related cancers such as Ewing sarcoma and peripheral primitive neuroectodermal tumour (PNET). All of the cancers in the EFTs are part of a larger group of cancers called sarcomas. Ewing family of tumour (EFT) typically …
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Osteosarcoma is a type of bone cancer and the most common type of sarcoma to start in bone. It usually affects teenagers and young adults, although it can also occur in older adults. The most common location for osteosarcoma is the long bone of the thigh, called the femur, but it can develop in any …
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