What is Chondroblastic osteosarcoma?

What is Chondroblastic osteosarcoma?

According to the WHO classification, the chondroblastic osteosarcoma is defined as a histological entity characterized by predominant presence of chondroid matrix, which tends to exhibit a high degree of hyaline cartilage and is intimately associated with the non-chondroid element (osteoid or bone matrix).

What are the most significant symptoms of osteosarcoma?

The most common symptoms of osteosarcoma include:

  • Bone pain or tenderness.
  • A mass or lump (tumor) that is warm and might be felt through your skin.
  • Swelling and redness at the site of your tumor.
  • Increased pain with lifting (if it affects your arm).
  • Limping (if it affects your leg).

Is osteosarcoma a mesenchymal tumor?

Histologically, osteosarcoma is a malignant mesenchymal cell tumour, characterized by pleomorphic spindle-shaped cells, capable of producing an osteoid matrix. Tumour cells metastasize primarily via the haematogenous route.

How long can you live with osteosarcoma?

Osteosarcoma. More than 40 out of 100 people (more than 40%) survive their cancer for 5 years or more after diagnosis. Survival is better for younger people than older people. For those younger than 40, more than 50 out of 100 people (more than 50%) survive their cancer for 5 years or more.

What cells does osteosarcoma arise from?

Osteosarcoma is a type of bone cancer that usually develops in the osteoblast cells that form bone. It happens most often in children, adolescents, and young adults. Approximately 800 new cases of osteosarcoma are reported each year in the U.S.

What is the origin of osteosarcoma?

Osteosarcoma (OS) is a bone tumor of mesenchymal origin, most frequently occurring during the rapid growth phase of long bones, and usually located in the epiphyseal growth plates of the femur or the tibia.

How long can you live after osteosarcoma?

When was the first stage of osteosarcoma diagnosed?

Distant: The cancer has spread to distant parts of the body, such as to the lungs or to bones in other parts of the body. These numbers are based on people diagnosed with osteosarcoma between 2010 and 2016. These numbers apply only to the stage of the cancer when it is first diagnosed.

What is the ICD-10 definition of osteosarcoma?

ICD-10: C41.9 – malignant neoplasm of bone and articular cartilage, unspecified Epidemiology. Telangiectatic osteosarcoma: the tumor is multiloculated with large blood filled spaces; high grade malignant cells and neoplastic bone in septae (the imaging differential diagnosis is with aneurysmal bone cyst)

What kind of bone cancer is periosteal osteosarcoma?

Periosteal osteosarcoma: an intermediate grade malignant bone and cartilage forming neoplasm arising on the cortical surface of a bone (the periosteum) Most cases are primary; secondary cases (usually after radiation therapy) represent a minority of cases

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