Low-grade bladder cancer involutional growth refers to a low degree of malignancy, and involutional growth is a tumor cell growth pattern or tissue cell arrangement pattern in pathology. Bladder cancer is one of the most common tumors of the urinary system, which is mainly related to occupational factors, genetic factors and smoking. Patients may not have too obvious clinical symptoms in the early stage, and some patients may also have intermittent, painless, naked-eye hematuria, and some patients may also show microscopic hematuria. Low-grade bladder cancer, with less malignant degree and better differentiation, belongs to a relatively early type. And timely treatment, the curability is good, 5-year survival rate is relatively high. Pathologically, papillomas are generally exophytic, with a fibrovascular axis (blood supply), occurring on the surface of mucous membranes and skin, or in the ducts of glands. Urothelial “inverted papillomas” do not have these characteristics. Involute bladder tumors have a generally smooth tumor surface epithelium, and microscopically the surface epithelium resembles normal uroepithelium without exophytic papillae. Nests of uroepithelial cells within the lamina propria are benign, with a normal maturation process, no heterogeneity, and almost no karyorrhexis. Transurethral cystectomy is usually recommended and postoperative bladder irrigation is required. If bladder tumor is suspected or diagnosed, it is recommended to go to a regular hospital for comprehensive evaluation of the condition, follow the doctor’s instructions to cooperate with the treatment, and choose the appropriate treatment plan, so as not to delay the condition.
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