Symptoms of bladder cancer

summary

Bladder cancer is the most common malignant tumor of urinary system, and its incidence rate ranks first in the urologic malignancies. It is generally believed that it is related to frequent contact with carcinogens such as naphthylamine and benzidine. Dyes, rubber, plastic products, paints and detergents commonly used in daily life also have potential carcinogenic risks. Smoking is not only harmful to the respiratory system, but also causes bladder cancer. In addition, some diseases * such as leukoplakia, cystitis glandularis, urethral calculus, urinary retention, etc. may also induce bladder cancer. The main symptoms of bladder cancer.

Symptoms of bladder cancer

1. Hematuria hematuria is the most common first symptom of bladder cancer, 85% of patients can have repeated attacks of painless intermittent gross hematuria. The amount of bleeding can be more or less, with blood clots in severe cases. Hematuria occurred in 100% of the patients in the whole process of bladder cancer. About 68% of gross hematuria was complete hematuria, 28% was terminal hematuria and 4% was initial hematuria.

2. Bladder irritation symptoms bladder irritation symptoms cancer itself infiltration, cancer tissue ulcers, necrosis and infection and blood clots can be the stimulating factors to cause bladder muscle contraction and urine; Urinary frequency (8%), urgency (8%), pain (5%) and persistent sense of urine, continuous lumbago, cancer invasion and sphincter appear incontinence. For patients with bladder irritation who lack the basis of infection, positive and comprehensive examination measures should be taken to ensure early diagnosis. The symptoms of bladder irritation are generally a sign of poor prognosis.

3. About 3% of the patients had lower abdominal mass as the first symptom. Most of them were adenocarcinoma at the top of the bladder or solid bladder cancer with high malignancy. Rectum (or vagina) digital examination or solution and uneven lumps, in order to understand the scope and depth of tumor invasion of bladder wall, it is definitely helpful for tumor staging.

matters needing attention

The risk of bladder cancer in the immediate family members of patients with bladder cancer is about twice that of those without family history. The risk of bladder cancer in the immediate family members of young patients with bladder cancer is higher. In addition, studies have shown that large intake of liquids, vegetables and fruits can reduce the risk of bladder cancer. The main risk factors of bladder cancer in Chinese population were smoking, occupational exposure to aromatic amines, family history of bladder cancer, drinking alcohol and coffee, and gender.