The symptoms of kidney cancer are generally not very obvious

Kidney cancer is a type of malignant tumor. In recent years, the number of kidney cancer patients has increased. Because they do not understand the symptoms of kidney cancer , they miss the best time for treatment. So what are the main symptoms of kidney cancer? Let us take a look at the symptoms of kidney cancer.

1. No obvious symptoms: At present, more than 40% of renal cancers are discovered by chance during health checkups or other examinations. There are no obvious symptoms or signs, and the detection rate is increasing year by year. Most of them are early lesions with a good prognosis. Regular physical examinations are very important.

2. Typical local symptoms: hematuria, back pain, abdominal mass, "renal cancer triad", the clinical incidence is less than 15%, often indicating that the disease has reached the late stage. Most patients only have one or two of the "triad" symptoms of kidney cancer.

1. Hematuria: About 40% of kidney cancer patients have hematuria, which can be macroscopic or microscopic. When there is a large amount of hematuria with blood clots, renal colic, urination pain, dysuria, and even urinary retention may occur.

2. Mass: The kidney is located deep behind the peritoneum and cannot be felt during abdominal palpation. The mass can only be felt when the tumor is large or located at the lower pole of the kidney. About 10% to 40% of patients can feel an abdominal mass, which can sometimes be the only symptom of kidney cancer.

3. Pain: Low back pain is caused by the increase in the tension of the renal capsule or invasion of surrounding tissues after the tumor grows. It manifests as persistent dull pain. Tumor bleeding causing subcapsular hematoma may also cause dull pain or dull pain. Tumor invasion of adjacent tissues and organs such as the psoas major muscle or nerves can cause persistent and severe low back pain. The incidence of pain is 20% to 40%. If you have related symptoms, you should seek medical attention in time to avoid delaying the condition.

3. Systemic manifestations: 10% to 40% of patients with renal cancer symptoms develop paraneoplastic syndrome, which is manifested by hypertension, anemia, weight loss, cachexia, fever, polycythemia, abnormal liver function, hypercalcemia, hyperglycemia, increased erythrocyte sedimentation rate, neuromuscular disease, amyloidosis, galactorrhea, abnormal coagulation mechanism, etc. About 2% to 3% of cases develop varicocele or abdominal wall venous dilatation.

4. Metastasis symptoms: About 10% of patients seek medical treatment due to metastasis symptoms. 30% of the first-time cases have metastasis, and they may seek medical treatment due to symptoms such as bone pain, fractures, cough, and hemoptysis caused by tumor metastasis. The clinical manifestations of kidney cancer are ever-changing. If you have the above symptoms, consult a professional doctor in time and conduct necessary related examinations. Don't take it for granted, and don't rely on luck.

The four parts mentioned above are the symptoms of kidney cancer. I hope these symptoms of kidney cancer can help you discover the existence and harmfulness of the disease this morning, and receive timely treatment for a faster recovery. If you still don’t understand something about the symptoms of kidney cancer, you can directly consult our online experts, who will give you a detailed analysis.