Ngakhale zofanana, zotsatira ndi mankhwala zimasiyana
Khansara yeniyeni ndi khansa nthawi zambiri amakhulupirira kuti ndi chinthu chomwecho kapena gawo lina lachilendo. Ndipo, zoona, mawuwa amagwiritsidwa ntchito mofanana ngakhale ndi akatswiri azaumoyo. Komabe, ngakhale pali kufanana, kusiyana pakati pa kansalu ndi kansalu kosalala kumakhala kosiyana kwambiri.
Kwa ena, mawu oti "khansa yamtunda" angagwiritsidwe ntchito kuphatikizapo khansa yamtundu ndi yamakiti.
Kwa ena, "khansa yoyipa" ingagwiritsidwe ntchito pofotokoza kuwonongeka kwa koloni, ngakhale ngati rectum yokha isagwirizane. Zonsezi ndi zabwino, koma kodi ziri zolondola? Mawu osamveka bwino omwe amagwiritsidwa ntchito pofotokoza khansa yoyipa ndi khansa ya m'magazi, yomwe imayankhula khansa yomwe imayambira mu colon kapena rectum.
Kuika semantics pambali kwa kanthawi, pali kusiyana kofunikira pakati pa kansalu ndi khansa yomwe imayang'anitsitsa, osati njira zochepa zomwe matendawa amapitira.
Anatomy ya Colon ndi Rectum
Mphuno ndi kachilombo kaŵirikaŵiri ndi mbali ya m'matumbo akulu , komwe kumapezeka pamimba. Ng'ombeyi imakhala yaitali mamita asanu ndipo imagawidwa m'kati mwake (gawo loyambirira la katumbo) ndi colon distal (gawo lachiwiri lomwe limagwirizanitsidwa ndi rectum). Chigamulochi ndizo mainchesi 6 mpaka 12 a coloni omwe amapita ku anus.
Ng'ombeyo imagawidwa m'magawo awiri, mapangidwe omwe amayamba pa embryogenesis (kupanga mwana). Mbali yolondola imaphatikizapo kukwera koloni (kumapeto kwa koloni) pamene kumanzere kumaphatikizapo kutsika kwa colon, chizindikiro cha sigmoid, ndi colon distal.
Zofanana pakati pa Colon ndi Khansa Yambiri
Kawirikawiri, khansa yamtundu ndi yamagazi imafanana mofanana, makamaka momwe amawonetsera:
- Chiwerewere - Khansara yolusa ndilochitatu mwazimene zimayambitsa matenda a khansa ku United States. Pafupifupi 25 peresenti ya khansa zazikulu zamatumbo ndi khansa yapakhungu.
- Zowopsa - Khansara ya Colon ndi rectal ndi yosiyana kwambiri pazifukwa ndi zoopsa . Chiyanjano pakati pa nyama yofiira ndi khansara chiripo ponseponse, ngakhale chirimbikali m'mayendedwe a khansa. Mosiyana ndi zimenezi, khansara yam'mimba imakhala yogwirizana kwambiri ndi kumwa mowa.
- Zizindikiro - Khansara ya Colon ndi khansa imakhala yofanana kwambiri ndi zizindikiro zake, ngakhale zina zimasiyana. Mwachitsanzo, kutuluka magazi kuchokera kumtunda wapamwamba kumakhala ndi magazi ofiira kapena akuda, pamene khansa yapadera imayambitsa magazi ofiira.
- Genetics - Kuchokera m'maganizo amodzi, khansa yamtundu ndi khansa imakhala yofanana kwambiri, mpaka mtundu wa zamoyo zomwe zimayambitsa kukula kwake. Pali zosiyana, koma, zonsezi, khansa ziwiri zimagwirizana bwino.
Kusiyanasiyana pakati pa Colon ndi khansa yambiri
Ngakhale zofanana, pali kusiyana kwakukulu pakati pa khansa ziwiri:
- Kuwonetsa kwa kugonana - Khansara ya Colon imagawidwa kwambiri mofanana pakati pa amuna, pamene khansara yamagazi ndi yofala kwambiri kuposa amuna.
- Anatomy - Magazi, mitsempha yotchedwa lymphatic drainage, ndi mitsempha yopangira mitsempha ya colon ndi rectum ndi yosiyana kwambiri. Izi ndizofunikira ngati khansa imafafaniza (kufalikira) ku madera ena a thupi kudzera m'ziwiya zamagazi ndi zamanjenje.
- Matenda obwereza - Izi zingakhale zosiyana kwambiri. Kawirikawiri, khansara ya rectal imakhala yovuta kuchiritsa, ndipo pakapita nthawi pakati pa 15 ndi 45 peresenti ya odwala.
- Kugonjetsedwa kwa zida zapafupi - Khansara ya Colon, pokhala m'mimba, ili ndi "malo" ochulukirapo, pamene khansara yamatenda imapezeka pamalo ovuta kwambiri. Choncho khansa yowopsa imakhala ndi mwayi waukulu wofalitsa minofu yapafupi.
- Opaleshoni - Opaleshoni ya khansara ya colon ingalimbikitsidwe panthawi ina iliyonse ya matendawa , pamene opaleshoni yokha popanda chemo kapena mankhwala odzoza mazira ndi omwe amalembedwa pa magawo 1 ndi 2. Mosiyana, opaleshoni ya kansa ya m'magazi ikhoza kuchitidwa kuyambira magawo 1 mpaka 3, nthawi zambiri mogwirizana ndi mankhwala a chemo ndi ma radiation.
- Kuvuta Kwambiri Opaleshoni - Opaleshoni ya kansa ya coloni ndi yosavuta poyerekezera ndi khansa ya m'magazi. Ndi opaleshoni yamakono, zimakhala zovuta kupeza chotupacho ndi kupeŵa zambiri zazomwe zikuzungulira.
- Colostomy - Anthu omwe achita opaleshoni ya khansa ya rectal ali ndi mwayi waukulu wa colostomy yosatha. Izi ndi chifukwa kuchotsa anal sphincter nthawi zambiri kumafunika, komwe sikungasinthidwe kapena kubwezeretsedwa.
- Mankhwala othandiza mafilimu - Mafinya samagwiritsidwa ntchito kawirikawiri kwa khansara yam'mimba koma ndi khansa ya m'magazi (makamaka 2 kapena 3).
- Chemotherapy - Chemotherapy chifukwa cha khansa ya coloni nthawi zambiri imagwiritsidwa ntchito ngati chithandizo cha opaleshoni mu magawo 3 ndi 4 (ndipo nthawi zina 2). Ndi khansa ya khansa, chemotherapy ikhoza kugwiritsidwa ntchito ngakhale ndi matenda oyamba.
- Mavuto a Postoperative - Anthu omwe ali ndi khansa ya m'magazi amatha kukhala ndi vuto lotha msanga poyerekeza ndi omwe ali ndi opaleshoni ya khansa, omwe amakhala ovuta kwa nthawi yayitali.
Kafukufuku wa Khansa ya Colon
Kumeneko kumawonekeranso kuti pali kusiyana kwakukulu pakati pa khansa yomwe imachokera kumbali yoyenera ya colon (kukwera kolon) ndi zomwe zimadzera kumanzere (kutsika kwa colon, sigmoid kolon, rectum).
Tidziwa kale kuti ziwalo za mbali yakumanja zili ndi maselo osiyana ndi omwe ali kumanzere, malo osungira ma embryonic. Kuyambira kale, deta ikuwonetsa kuti kuchuluka kwa ndalama za khansa ya kumanzere kumakhala bwino kusiyana ndi za ufulu. Ngakhale kuti zofukufukuzi zikuwoneka kuti ndi zofunika, siziyenera kutsimikiziridwa ngati izi zidzasintha njira zothandizira.
Pamene kumvetsa kwathu za majeremusi kumakula, tikuyambanso kupeza kusiyana pakati pa majini osinthika komanso magulu a maselo a khansa. Mwakumvetsetsa bwino kusiyana kumeneku, asayansi akuyembekeza kupeza njira zamaganizo ndi biogenetic pofuna kulunjika makamaka maselo apaderawa, kulola kulamulira - ngakhale kuthetsa - matendawa.
> Zotsatira:
> Hong, T .; Clark, J ;; ndi K. Haigis. "Khansa ya Colon ndi Rectum: Mapasa Ofanana Kapena Achikondi?" Kupeza Khansa . 2012. 2 (2): 117-21.
> Lee, Y .; Lee, Y .; Chuang, J ;; ndi Lee, J. "Kusiyanasiyana kwa Kupulumuka Pakati pa Colon ndi Khansa Yoopsa kuchokera ku SEER Data." PLoS One . November 12, 2013; 8 (11): e78709.
> van der Slip, M ;; Bastiaannet, E .; Mesker, W .; et al. "Kusiyana pakati pa Colon ndi Rectal Cance r mu zovuta, Kupulumuka kwa nthawi yochepa ndi kubwereranso: International Journal of Colorectal Disease 2016; 31 (10): 1683-1691.
> Venook, A .; Niedzwiecki, D .; Innocenti, F .; et al. "Impact of Primary (1º) Malo Opumula pa Survival Survival (OS) ndi Progression-Free Survival (PFS) mwa Odwala (pts) ndi Metastatic Colorectal Cancer (mCRC): Kufufuza kwa CALGB / SWOG 80405 (Alliance)." Msonkhano Wapachaka wa ASCO 2016 , Chicago, IL. June 2-6, 2016; zomveka 3504.