癌症 - An Overview

Laser therapy utilizes superior-depth gentle to treat cancer by shrinking or destroying tumors or precancerous growths. Lasers are most commonly employed to take care of superficial cancers that are to the floor of your body or the lining of internal organs. It's made use of to deal with basal cell skin cancer and also the very early stages of Many others like cervical, penile, vaginal, vulvar, and non-smaller cell lung most cancers. It is frequently coupled with other solutions, for instance surgical procedures, chemotherapy, or radiation therapy.

癌症是一组可影响身体任何部位的多种疾病的通称。使用的其它术语为恶性肿瘤和赘生物。癌症的一个决定性特征是异常细胞快速生成,这些细胞超越其通常边界生长并可侵袭身体的临近部位和扩散到其它器官。后者被称为转移。广泛转移是癌症死亡的主要原因。

维基百科中的醫學内容仅供参考,並不能視作專業意見。如需獲取醫療幫助或意見,请咨询专业人士。詳見醫學聲明。

最近幾十年的研究中,最為確定的發現就是抽煙和癌症間密切的相關性,許多流行病學研究也已經證實這樣的關係。根據美國的數據顯示,隨著吸煙人數增加,肺癌的死亡率急劇升高。隨著近年來廣為宣導抽菸對身體的傷害之後,抽菸人口的減少,也反映在肺癌死亡率降低上。

由癌症引起的慢性疼痛幾乎都與癌症本身或治療過程(手術、放射線治療、化療)所持續造成的組織損傷有關。癌症患者的疼痛並沒有明顯的產生原因。許多發生嚴重疼痛症狀的癌症患者常常已經接近生命的終點,這時進行姑息疗法會是比較好的選擇。雖然社會上普遍對使用鴉片類麻醉劑的觀感不佳,但在癌末病患的治療上,主要的考量是盡量使患者感到舒適,無論使用鴉片類麻醉劑、手術或物理療法,甚至不應考慮醫療資源的支出,而要盡力使病患能得到最好的照顧。

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中医治疗作为我国的传统特色,我们也专门总结了一篇中医治疗方法(详见,放链接)。 中医主要用于治疗晚期癌症,包括肺癌、胃癌、肝癌、结直肠癌、乳腺癌、淋巴瘤、 食管癌、鼻咽癌等,有时还可联合化疗或放疗,以缓解不良反应,提高疗效。同时, 中医在术后恢复方面也有较好的应用效果。

[a hundred and five] Just about every of those alterations regulates gene expression without altering the fundamental DNA sequence. These modifications may keep on being by way of cell divisions, endure for a number of generations, and can be regarded as comparable to mutations.

Community signs or symptoms may possibly take place because of the mass of your tumor or its ulceration. By way of example, mass effects from lung most cancers can block the bronchus leading to cough or pneumonia; esophageal most cancers can result in narrowing from the esophagus, which makes it tough or agonizing to swallow; and colorectal cancer may well result in narrowing or blockages during the bowel, affecting bowel patterns. Masses in 癌症 breasts or testicles could make observable lumps.

參加臨床實驗的病患有機會得到其所參與實驗的新療法的幫助,但是新的治療方式並不保證會有良好的結果,新療法也可能有未知的風險,嚴重的話甚至會導致死亡。但如果新療法成功的話,接受實驗的病人可能會最先受益。臨床實驗在美國有相當嚴格的進行規範,無論是在人選的選擇以及藥物劑量都有標準操作原則。以避免研究者為了加速研發新藥物,不顧病患的權益,貿然在人體上進行高風險的新療法測試。實際上有許多例子也顯示,即使是通過嚴格標準篩選出可進入臨床實驗階段的抗癌藥物,在臨床上的結果並未如預期的有效。這樣的結果也反映癌症的多原性以及人體系統的複雜度,我們在抗癌藥物的研發上仍有漫長的路途要走。

例如,如果您遗传了一种使您易患癌症的基因突变,并不意味着您一定会患癌症。可能需要有一个或多个其他基因突变才会引起癌症。当您接触某种致癌物质时,您的遗传基因突变可能使您比其他人更容易患癌症。

It absolutely was identified that supplying blended cytotoxic medication is much better than one drug, a course of action referred to as The mix therapy, which has a bonus from the figures of survival and reaction on the tumor and in the progress in the disorder.

準確的癌症分期與診斷對於癌症的治療相當重要,癌症治療的原則是先確立治療目標,主要目標則可分為治癒癌症、延長生命、減輕痛苦及安寧療護四大類,常見的治療方式有以下幾項。

癌症扩散。随着癌症进展,它可能扩散(转移)到身体其他部位。癌症扩散到哪里取决于所患癌症的类型。

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