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The tumor may be localized at the end of the long bone (commonly in the metaphysis). Most often it affects the proximal end of tibia or humerus, or distal end of femur. Osteosarcoma tends to affect regions around the knee in 60% of cases, 15% around the hip, 10% at the shoulder, and 8% in the jaw.
Bone tumor. A bone tumor is an abnormal growth of tissue in bone, traditionally classified as noncancerous (benign) or cancerous (malignant). [ 1 ][ 4 ] Cancerous bone tumors usually originate from a cancer in another part of the body such as from lung, breast, thyroid, kidney and prostate. [ 1 ] There may be a lump, pain, or neurological signs ...
Frequency. ~15% of women at some point [1] A hip fracture is a break that occurs in the upper part of the femur (thigh bone), at the femoral neck or (rarely) the femoral head. [2] Symptoms may include pain around the hip, particularly with movement, and shortening of the leg. [2] Usually the person cannot walk.
Symptoms may include: [citation needed] Pain that may occur at the site of the tumor if the tumor is very large, or if the affected bone has weakened causing a fracture of the affected bone; Enlargement of the affected finger; Slow bone growth in the affected area; The symptoms of enchondroma may resemble other medical conditions or problems.
Ewing sarcoma is a type of pediatric cancer [ 5 ] that forms in bone or soft tissue. [ 1 ] Symptoms may include swelling and pain at the site of the tumor, fever, and a bone fracture. [ 2 ] The most common areas where it begins are the legs, pelvis, and chest wall. [ 4 ]
An osteoid osteoma is a benign (non-cancerous) bone tumor that arises from osteoblasts and some components of osteoclasts. It was originally thought to be a smaller version of an osteoblastoma. Osteoid osteomas tend to be less than 1.5 cm in size. The tumor can be in any bone in the body but are most common in long bones, such as the femur and ...
A pathologic fracture is a bone fracture caused by weakness of the bone structure that leads to decrease mechanical resistance to normal mechanical loads. [ 1 ] This process is most commonly due to osteoporosis, but may also be due to other pathologies such as cancer, infection (such as osteomyelitis), inherited bone disorders, or a bone cyst.
Bone metastasis, or osseous metastatic disease, is a category of cancer metastases that result from primary tumor invasions into bones. Bone-originating primary tumors such as osteosarcoma, chondrosarcoma, and Ewing sarcoma are rare; the most common bone tumor is a metastasis. [1] Bone metastases can be classified as osteolytic, osteoblastic ...