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【膀胱癌 Bladder Cancer 】

癌症是一種體內細胞生長失控的疾病。 當癌症從膀胱開始時,稱為膀胱癌。

成因

  • 吸煙
  • 家史
  • 慢性尿道感染
  • 有膀胱癌家族史
  • 具有某些基因突變(身體細胞分裂時發生的異常變化)
  • 接觸過多的某些用於加工油漆、染料、金屬和石油產品的工作場所化學品
  • 服用化療藥物環磷醯胺
  • 飲用被污染的井水
  • 服用中藥馬兜鈴酸
  • 患有慢性泌尿道感染
  • 服用治糖尿病藥物吡格列酮
  • 曾對骨盆部位進行放射治療

症狀

  • 尿液中有血
  • 必須比平常更頻繁地排尿
  • 排尿時疼痛或灼熱感
  • 即使膀胱未充滿,也感覺需要立即排尿
  • 排尿困難或尿流微弱
  • 夜間必須多次起床小便

晚期症狀


膀胱癌變大或擴散到身體其他部位有時會引起其他症狀,例如:

  • 無法排尿
  • 一側下背部疼痛
  • 食慾不振和體重減輕
  • 感覺疲倦或虛弱
  • 腳腫脹
  • 骨痛

Cancer is a disease in which cells in the body grow out of control. When cancer starts in the bladder, it is called bladder cancer.

Risk Factors

  • Smoking tobacco
  • Having a family history of bladder cancer
  • Having certain gene mutations (unusual changes made when your body’s cells are dividing)
  • Being exposed to too much of certain workplace chemicals used in processing paint, dye, metal, and petroleum products
  • Use of the chemotherapy drug cyclophosphamide
  • Drinking well water contaminated with arsenic
  • Taking the Chinese herb Aristolochia fangchi
  • Having chronic urinary tract infections
  • Diabetes treatment using the drug pioglitazone
  • Previous radiation therapy to the pelvic area

Symptoms

  • Blood in the urine
  • Having to urinate more often than usual
  • Pain or burning during urination
  • Feeling as if you need to go right away, even when your bladder isn’t full
  • Having trouble urinating or having a weak urine stream
  • Having to get up to urinate many times during the night

Advanced

Bladder cancers that have grown large or have spread to other parts of the body can sometimes cause other symptoms, such as :

  • Being unable to urinate
  • Lower back pain on one side
  • Loss of appetite and weight loss
  • Feeling tired or weak
  • Swelling in the feet
  • Bone pain
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