Le ka maʻiʻeha, i kapaʻia hoʻi maʻi ʻaʻai ʻōpū, e ulu ana mai kahi pūnaewele parietal (cell ma ka paia o ka ʻōpū), ma mua maʻamau, e hoʻonui ana ma ke ʻano anarchic, e hana i kahi nui i kapa ʻia. tumo malignant.

ʻOi aku ma mua o 90% o nā maʻi maʻi e hoʻoulu ai i ka maʻi maʻi ʻōpū adenocarcinomas, ʻo ia hoʻi, ulu lākou mai ka papa luna o loko o ka ʻōpū, i kapa ʻia mucous. He maʻi ʻaʻai ia e holo mālie a ʻike pinepine ʻia ma mua o ke 50 makahiki.

Hiki ke noho ka maʻi koko no ka manawa lōʻihi, ma mua o ka laha ʻana i nā ʻāpana ʻē aʻe o ka pā o ka ʻōpū a me ka hoʻouka ʻana i nā ʻāpana pili (pancreas, colon, spleen) a i ʻole ma ke ala lymphatic a me vascular, e waiho ana i nā maʻi maʻi maʻi e komo i nā lymph nodes, a laila hoʻolaha i kēia mau maʻi kanesa. nā pūnaewele i loko o nā kino ʻē aʻe e like me ke ake, a me ka māmā (metastasis).

Other ʻano maʻi maʻi ʻōpū, e like me ka lymphoma ʻōpū (e pili ana i ka ʻōnaehana lymphatic), sarcoma (e pili ana i ka ʻiʻo ʻiʻo) a i ʻole ka maʻi stromal gastrointestinal (e hoʻomaka ana i loko o nā ʻiʻo o nā kino e kākoʻo ana i ka ʻōnaehana digestive), ʻoi aku ka kakaikahi. ʻAʻole e kūkākūkā ʻia ma kēia pepa.

Nā kumu

ʻAʻohe kumu kikoʻī o ka maʻi kanesa ʻōpū, akā ʻo ka mumū ʻO ka mucous membrane maʻamau e pili ana i ka ʻōpū e hoʻonui i ka pilikia, e like me ka hihia o ka gastritis Helicobacter pylori.. Hoʻopili pū ʻia ka maʻi kanesa o ka ʻōpū me ka ʻai ʻana, no ka manawa lōʻihi, i nā meaʻai paʻakai, puhi ʻia a ʻai ʻia paha, me ka ʻai haʻahaʻa i nā huaʻai a me nā mea kanu, a me ka puhi paka.

Evolution

ʻOi aku ka nui o ka maʻi maʻi ʻōpū ʻike mua ʻia, ʻoi aku ka maikaʻi o ka hoʻōla. Ke kaupalena ʻia i ka ʻōpū o ka ʻōpū, ʻoi aku ma mua o 50% o ka poʻe i hoʻopilikia ʻia e ola iā ia ma mua o 5 mau makahiki. Inā ua laha ma ka lymphatic system, muscle layers, a i ʻole nā ​​ʻāpana ʻē aʻe, ʻoi aku ka liʻiliʻi o ke ola o 5 mau makahiki ma mua o 10%.

ʻO wai ka mea i hoʻopili ʻia?

ʻAʻole kūlike ka hopena. Ma ka honua holoʻokoʻa, ʻo ka maʻi maʻi ʻōpū ka 2^st ke kumu o ka make mai ka maʻi kanesa, akā ʻo ia ka 4^st ke kumu ma ʻEulopa kahi i emi ai no 20 mau makahiki. ʻO kēia emi ʻana o ka pinepine e pili ana i ka maʻi kanesa o ka "ʻōpū mamao", ka antrum a me ke kino. No ka "maʻi maʻi proximal" o ka cardia, he mea hoʻopaʻapaʻa kēia no ka mea he nui nā haʻawina e hōʻike ana i ka piʻi ʻana o ka maʻi.

ʻOi aku ka pinepine o kēia maʻi maʻi maʻi i ka poʻe me nā kūlana socio-economic precarious, a i ʻole ka poʻe hilinaʻi nui huna a e uwahi ana no ka mea, mālama mālama. Iapana, (1/1000 kanaka,) Kina a me Korea kekahi o na aina pilikia loa.

Ma Palani, he 12/100 ka maʻi i nā kāne a me 000/4 i nā wahine. Ma 100 he 000 mau hihia hou i kēlā me kēia makahiki. Ma Kanada a me ʻAmelika Hui Pū ʻIa, ʻo ka maʻi maʻi ʻōpū pohihihi keia. Ke emi nei nō. I ka makahiki 2009, ua emi iho ma lalo o 2% o nā hihia maʻi maʻi hou a pau ma waena o nā Canadians.

I nā ʻāina ʻoihana, ua kōkua ka refrigeration i ka hōʻemi ʻana i ka maʻi maʻi ʻōpū.