October 2020

Archive for the ‘Cancer Metastasis’ Category

Metastasis means that cancer spreads to a different body part from where it started. When this happens, doctors say cancer has metastasized.

How metastases develop

Metastases most commonly develop when cancer cells break away from the main tumor and enter the bloodstream and/or lymphatic system.

These systems carry fluids around the body. This means that the cancer cells can travel from the original tumor and form new tumors when they settle and grow in a different part of the body.

Any type of cancer can spread. Whether this happens depends on several factors, including:

Metastasis is a pathogenic agent’s spread from an initial or primary site to a different or secondary site within the host’s body.

The newly pathological sites, then, are metastases.

Cancer occurs after cells are genetically altered to proliferate rapidly and indefinitely.

This uncontrolled proliferation by mitosis produces a primary heterogeneous tumor.

The cells which constitute the tumor eventually undergo metaplasia (the transformation of one differentiated cell type to another differentiated cell type), followed by dysplasia (an abnormality of development and then anaplasia (loss of differentiation of cells and their orientation to each other, a characteristic of tumor cells), resulting in a malignant phenotype.

There are many things that one should know about where cancer metastasis imaging is used and the importance of it.

It uses special image technology that is non-invasive. There are many advantages to this new type of technology being used.

Earlier machines were not able to do what the machines of today can and one reason is that they were only able to look at two-dimensional images.

Today’s machines are actually able to look at images in three dimensions which is something that was completely unheard of before.

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    (MedPage Today) -- As detected by circulating tumor DNA (ctDNA), acquired resistance to pralsetinib (Gavreto) in RET fusion-positive lung cancer was relatively uncommon, findings from the ARROW study suggested. In 42 non-small cell lung cancer...
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    (MedPage Today) -- A first-line immune checkpoint inhibitor combination of nivolumab (Opdivo) plus ipilimumab (Yervoy) improved survival in patients with advanced non-small cell lung cancer (NSCLC) when added to a limited course of chemotherapy...
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