Can all organs be affected by cancer?

Can all organs be affected by cancer?

How Cancer Spreads (Metastasis) - Michael Henry, PhD

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answers (3)

Answer 1
June, 2021

I suspect that the question is somewhat incorrectly asked.

Cancer is a malignant tumor of epithelial cells. She's a carcinoma. Therefore, there is no blood cancer, for example. But, there is a malignant tumor of the blood. Leukemia.

Malignant tumors are divided into types, depending on what tissue they grow from. And there is a tumor of the placenta - choriocarcinoma.

Any tissue can become malignant. Sometimes several different types of tumors develop at the same time. Sometimes several organs are affected by the same type.

Answer 2
June, 2021

Cancer (carcinoma) is a malignant tumor originating from epithelial tissue. Accordingly, the concept of "tumor" is broader than "cancer". But many people believe that these concepts are synonymous. If you meant "can all organs be affected by cancer", then the answer is an unequivocal "yes", because:

  1. It is difficult to remember even one organ that does not contain epithelial tissue.
  2. The tumor can also be secondary (metastases) - then theoretically all tissues that are supplied with blood and lymph can be affected, and the contact path of metastasis is also taken into account. The only exception is the vitreous body of the eye (there are no vessels there), but this is not an organ. An organ is an eye, and there is an epithelium in it, which means there may be cancer. In any case, a tumor of the eye can invade the vitreous humor, and then there is no clinical difference between a tumor of the vitreous humor (and this can even be? A good question) and any other tumor.
    Another answer mentioned the placenta, but there is such a thing, as choriocarcinoma. This example is enough to say that the placenta can be affected by primary cancer. Secondary - also possible, for example, melanoma often metastases to the placenta.

A tumor can arise from any tissue in the human body.

Answer 3
June, 2021

Not all. The placenta, with all its desire, cannot be affected by cancer (unless metastases). The reason is obvious - in 9 months the tumor simply will not have time to develop.

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