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Bladder Tumor

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[Abstract]:
Bladder neoplasms are the most common tumors in the urinary system. Most of them are transitional epithelial cell carcinoma. The lateral wall and posterior wall of bladder were the most frequently fol

  Bladder neoplasms are the most common tumors in the urinary system. Most of them are transitional epithelial cell carcinoma. The lateral wall and posterior wall of bladder were the most frequently followed by trigonometry and apical, and its occurrence could be polycentric. Bladder neoplasms may be associated with pelvic, ureteral and urethral neoplasms. Abroad, the incidence of bladder neoplasms is second only to prostate cancer in male genitourinary neoplasms, and the first in China. The incidence rate in males was 3 times higher than that in females, and was more than 50 to 70 years old. Epithelial neoplasms account for 95%, more than 90% of which are transitional epithelial cell carcinoma (TECC).

  The etiology of bladder neoplasms is not completely clear. It is generally acknowledged that the type of work in which 1 has been exposed to aromatic species for a long time, such as dyes, leather, rubber, painters, and so on, A higher incidence of bladder neoplasms .2 smoking is also a cause of increased incidence of bladder neoplasms .3 abnormal metabolism of tryptophan in the body. 4. 4 chronic irritation of bladder mucosa. 5. In recent years, some drugs have also been able to increase the incidence of bladder neoplasms. 6. 6 parasitosis induced by bladder cancer, if it occurs in the bladder, Can also induce bladder cancer.

  Clinical Symptoms

  1.Hematuresis

  2.Bladder irritation symptom

  3.Dysuria

  4.Upper urinary tract obstruction

  5.Lower abdominal mass

  6.Systemic symptoms, like nausea, anorexia, fever, wasting, anemia, weakness, cachexia, leukaemia reaction and so on.

  7.Metastatic symptom

  The tumor extends to the pelvic, retroperitoneal or rectum, causing low back pain, lower abdominal pain radiating into the pudenda or thighs, rectal irritation symptoms, etc. Pelvic lymph node metastasis is more common, and metastasis to uterus, rectum, colon, liver and kidney causes the corresponding clinical symptoms of various organs.

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