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Ewing's tumor is a soft tissue tumor that most commonly affects young patients.

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17y ago

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What is tumour excision?

Tumour excision is a surgical procedure where a surgeon removes a tumor from the body. This procedure is commonly done to remove cancerous or non-cancerous growths to prevent them from spreading and causing health issues. After excision, the tumor is usually sent for further analysis to determine its nature and whether any additional treatment is needed.


What will the result if the cell cycle is uncontrolledor if the cell continue to divide without stopping?

If the cell cannot stop dividing then a tumour will form. The tumour can be cancerous or benign. Uncontrolled cell division may be caused by substances called carcinogens (e.g. in cigarettes) which can switch the P53 gene off. This gene is responsible for controlling cell division.


How do eukaryotic cells make more cells?

Cell can make more cells via two processes. The first is called mitosis: a process which creates two identical cells. Both eukaryotic and prokaryotic cells can undergo mitosis. The second is meiosis: a process which produces reproductive cells in sexually reproducing eukaryotes. When a cell becomes cancerous, one or more mechanisms in the cell that control mitosis breaks down. This occurs due to a mutation in the cell's DNA. The genes in which a cancer-causing mutation can occur are either called proto-oncogenes or tumour suppressor genes. When such a mutation occurs in a proto-oncogene they become activated and become oncogenes. The product of oncogenes promote uncontrolled mitosis, hence the name onco(cancer)-gene. Again, as the name suggests, tumour suppressor genes have some role in suppressing cancer. Tumour suppressor genes are regulators of mitosis. When a cancer causing mutation occurs in a tumour suppressor gene, the product of the gene becomes disfunctional or are not produced altogether.


What is benign tumour?

A benign tumor is a non-cancerous growth that does not spread to other parts of the body. These tumors typically have a clear boundary and are usually not life-threatening. They can often be removed safely through surgical procedures.


What causes supraclavicular swelling?

Supraclavicular swelling can be caused by various factors such as infections, inflammation, lymph node enlargement, trauma, or malignancies. It is important to seek medical evaluation to determine the underlying cause and receive appropriate treatment.