What Is the First Sign of Kidney Cancer?

Reviewed on 4/28/2021

When cells in the kidney become malignant or cancerous, they grow out of control forming a tumor, in one or both kidneys, resulting in kidney cancer.
When cells in the kidney become malignant or cancerous, they grow out of control forming a tumor, in one or both kidneys, resulting in kidney cancer.

When cells in the kidney become malignant or cancerous, they grow out of control forming a tumor, in one or both kidneys, resulting in kidney cancer. In adults, renal cell carcinoma (RCC) is the most common type of kidney cancer. Other less common types of kidney cancer can occur rarely. Young children are more likely to develop a kind of kidney cancer called Wilms’ tumor. RCC accounts for 90 percent of all kidney cancers. The cancerous cells typically develop in the lining of very small tubes in the kidney, called tubules. Kidney cancer usually doesn’t have signs or symptoms in its early stages. Sometimes, symptoms do not appear until cancer has spread to other parts of the body, usually the lymph nodes, lungs or ong bones.

The first signs and symptoms of kidney cancer may include

Hematuria (Blood in the urine)

Other signs and symptoms that may occur as the cancer progress are

What are the causes of kidney cancer?

The exact cause is unknown. Research suggests that two genes on the short arm of chromosome 3 (PRC and TFE 3) may be involved in the development of renal cell carcinoma (RCC). Another gene, Von Hippel–Lindau (VHL), has also been linked with kidney cancer.

The following factors may increase the risk of developing kidney cancer.

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How is kidney cancer diagnosed?

Besides the signs and symptoms, a physical examination by the doctor may reveal a mass or swelling in the abdomen.

Some diagnostic tests to confirm the presence of cancer and the stage may be advised by the doctor. These include

The following tests may be done to check the spread (metastasis) of cancer to other parts of the body.

Stages of kidney cancer

Cancer staging ranges from Stage 1 to Stage 4 and is a very important system to determine the spread.

Stage 1: Tumors are confined to the kidney and are usually less than 7 cm in diameter.

Stage 2: Tumors involve the fat or adrenal tissues of the kidney and are greater than 7 cm in diameter.

Stage 3: Tumors have spread to the regional kidney tissues or lymph nodes and kidney veins or vena cava.

Stage 4: Tumors have spread outside the kidney to distant sites in the body or other organs (liver, colon, pancreas, stomach, etc.)

How is kidney cancer treated?

Treatment depends on the stage and extent of kidney cancer. Treatment options include

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References
https://www.cancer.gov/types/kidney/patient/kidney-treatment-pdq

https://emedicine.medscape.com/article/281340-overview

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