Zaka ndi chiwerengero cha chiopsezo cha khansa yoyipa . Anthu oposa 90% omwe amapezeka kuti ali ndi matendawa ali 50 kapena kuposa ndipo ambiri omwe ali ndi matendawa ndi 64.
Pofika khansa yowonongeka nthawi zambiri, imakhala ikukula kwa zaka zingapo, choyamba monga mapuloteni omwe sali odwala khansa ndipo kenako ngati khansa. Kafukufuku amasonyeza kuti ali ndi zaka 50, mmodzi pa anthu anai ali ndi polyps.
Kuti mudziwe za zifukwa zina za khansa yosalala, chonde werengani za zifukwa 15 za khansa ya coloni .
Zambiri Zokhudza Kudzala Khansa
Ku United States, khansara yoipa imapha anthu pafupifupi 50,000 pachaka, ndipo anthu 150,000 pachaka amapezeka ndi matendawa. Khansara yeniyeni ndiyo yachiwiri yomwe imayambitsa khansa yakufa ku United States.
Mwamwayi, chiŵerengero ndi imfa chifukwa cha khansa yapakhungu yatha. Mwachidziŵikire, pakati pa 1992 ndi 1996, chiŵerengero cha matendawa chinachepera ndi 2.1 peresenti. (Chiwerengero cha khansa yoopsa ku China ndi Japan ikupitiriza kuwonjezeka.) Ngakhale kuti matendawa akuchepa, chonde kumbukirani kuti khansara ili yoopsa, anthu ambiri amafa ndi matendawa, ndipo muyenera kufufuzidwa (kuganiza colonoscopy) matendawa ngati muli ndi zaka 50 kapena kuposa.
Kuwonjezera pa kuchepa kwa matendawa pakati pa anthu a ku America ndi anthu ena akumadzulo, nkhani ina yabwino yokhudzana ndi khansa yodabwitsa ndi yakuti chithandizo cha matenda apamwamba ( Stage III kapena kansa ya Stable IV yosalala ) yakula bwino.
Kuwonjezera pamenepo, ife tsopano tiri ndi mawothandizi omwe amawunikira makamaka matendawa .
Chochititsa chidwi n'chakuti, munthu akamayenda kuchokera kudziko ali ndi matenda a khansa yoopsa (kuganizira South America) kupita kudziko lomwe lili ndi khansara yambiri (ganizirani United States), munthuyu amakhala ndi chiopsezo cha khansa yoyipa ya nyumba yake yatsopano .
Mwa kuyankhula kwina, chilengedwe kuphatikizapo majini amathandiza kwambiri pakukula kwa khansa yodabwitsa.
Kuwonjezera pa msinkhu, apa pali zina mwazidzidzidzi zomwe zingayambitse munthu kukhala ndi khansa yoyipa:
- kunenepa kwambiri
- adenomatous polyps
- Matenda opweteka kwambiri (Matenda a Crohn kapena ulcerative colitis)
- syndromes achibale (ganizirani za adenomatous polyposis)
Ngakhale kuti palibe amene angathe kubwezera nthawi ndikukhala wamng'ono, pali njira zina zomwe mungachepetsere chiopsezo chanu chokhala ndi khansa yoopsa. Mwachitsanzo, kafukufuku wina amasonyeza kuti kuyamwa kwa calcium, vitamini D, folate, kapena multivitamins kungachepetse chiopsezo chotenga matendawa. Komabe, njira yabwino kwambiri yopezera khansa yoyera kwambiri ndi kuzindikira koyambirira pogwiritsa ntchito colonoscopy, sigmoidoscopy yokhazikika kapena zina zotero. Ngati dokotala wanu akupeza pulopeni kapena chotupa chokayikira pamayeso, misawu iyenera kuchotsedwa. Ngati muli ndi zaka zoposa 50 ndipo simunayambe kulandira kolonoscopy kapena kuyesedwa koyezetsa magazi, ndi kofunika kuti mupange chiwonetsero ndi dokotala wanu kuti mufufuze.
> Zotsatira:
Khansara ya Colon: N'chiyani Chimachititsa Khansa ya Colon? eHealthMD. Oct. 2004. [http://www.ehealthmd.com/library/colon-cancer/Colon-Cancer_causes.html].
Kupewa Kachiza Kwambiri ndi Chithandizo. National Foundation for Research Cancer. [http://www2.nfcr.org/site/PageServer?pagename=cancers_colorectal].
Kuyeza Khansa Yoyamba: Mafunso ndi Mayankho. Kanema Yowonjezera Khansa. 3 Apr. 2002. 23 Jun [http://www.cancerlinksusa.com/colorectal/screening_qa/index.asp].
Zowonjezereka Guide: Khansa ya Colon ndi Rectum: Kodi ndizifukwa ziti zoopsa za khansa yoyamba? American Cancer Society. 7 Mar. 2006. 23 [http://www.cancer.org/docroot/CRI/content/CRI_2_4_2X_What_are_risk_factors_for_colon_and_rectum_cancer.asp].
Zowonjezera: Colon ndi Rectum Khansa: Nchiyani Chimachititsa Khansa Yoyamba? American Cancer Society. 15 Mar. 2006. [http://www.cancer.org/docroot/CRI/content/CRI_2_2_2X_What_causes_colorectal_cancer.asp?sitearea=].