Caj pas cancer - etiology thiab symptomatology

caj pas cancer - yog dav heev cancer, nws yog sau npe nyob rau hauv kwv yees li rau cov neeg ib 100 txhiab pejxeem .. Ntau susceptible mus rau tus kab mob no yog cov txiv neej hnub nyoog 40 mus rau 80 xyoo. Piv nrog rau cov poj niam yog 20 lub sij hawm ntau yuav muaj caj pas cancer.

Caj pas Cancer - Ua

Cov kws kho mob tau hu ob peb yog vim li cas uas yuav ua rau lub caj pas cancer: noj kub, ntsim, qab ntsev cov khoom noj (yog systematic voos), dej caw, tsev neeg keeb kwm, kev haus luam yeeb, raug mus tshuaj carcinogens, cov tsis muaj kev yooj yim kev tu cev nyob rau hauv lub qhov ncauj kab noj hniav, raws li zoo raws li lub xub ntiag ntawm mob mob dab nyob rau hauv lub suab. Tshuaj uas ua rau lub cev txoj kev tsis paub qab hau, kev txawv txav hlwb hu ua carcinogens. Tej biosoedineniyam muaj xws li ntau yam uas muaj ntxhiab tshuaj, hlau, yas, alcohols, phenols, aldehydes, ib co alkaloids (e.g., nicotine) uas muaj peev xwm sib txuas lus nrog deoxyribonucleic acid hlwb, thaum ua lawv phem transformation. Nws yuav tsum tau hais tias hais tias yuav ntxias cov tsim ntawm carcinogenic hlwb yuav tsis tau tsuas yog tshuaj, tab sis kuj lub cev (ionizing tawg), hormonal (steroid cov tshuaj hormones yuav ua rau lub mis mob cancer), lom (kab mob) yam, peb yuav tsum tsis txhob hnov qab txog lub caj predisposition ntawm tus neeg.

Precancerous kab mob tshwj xeeb yog muab faib ua ob pawg. Obligate (kab mob nrog rau ib tug siab tshwm sim ntawm malignancy) - papillomatosis thiab papilloma. Qhov thib ob pab pawg neeg no muaj xws li los tsis ua cas tus kab mob (nrog ib tug tsawg zaus ntawm malignancy) - cyst, fibroma. Nyob rau hauv txoj kev loj hlob ntawm cov kab mob ua si ib qho tseem ceeb luag hauj lwm endogenous bioregulators - cov tshuaj hormones.

Muaj peb cov ntaub ntawv ntawm lub pob loj hlob: papillary, nodular, infiltrative. Tumor yog txwv kom muab zais raws li lawv qhov chaw ntawm localization: hlav ntawm lub suab folds, vestibular, podskladochnye. Txheeb cais qhia hais tias ntau tshaj li 95% ntawm tag nrho cov phem hlav yog hais laryngeal squamous cell carcinoma ntawm lub caj pas.

Caj pas Cancer yog tsiag ntawv los ntawm tsim ntawm kab mob qog hlav, uas yog ib ncig nyob rau hauv cov ntaub so ntswg ntawm lub caj pas thiab lub suab. Neoplasms nyob rau hauv lub caj pas thiab lub suab zoo ib yam li txhua lwm yam (morphology, soj ntsuam), yog li ntawd lawv kho nyob rau hauv tib lub seem. Thaum lub sij hawm lub kev vam meej ntawm phem neoplasms loj hlob los ntawm mucosal cov ntaub so ntswg thiab muaj feem xyuam rau ib sab hauv nruab nrog cev.

Txij li thaum lub caj dab muaj ib tug loj npaum li cas ntawm cov ntshav thiab cov qog cov hlab ntsha, qhov no lom zem ntau complicates cov kev kho mob ntawm tus kab mob. Lub xub ntiag ntawm ntau cov ntshav mov thiab ib tug ntau yam ntawm cov qog cov hlab ntsha thiab ntshav tsim paaj tej yam kev mob rau txoj kev loj hlob ntawm cancer thiab metastasis tsim. Cancer ntawm lub caj pas yog feem ntau ib ncig nyob rau hauv lub nasopharynx, oropharynx los yog hypopharynx. Nyob rau hauv feem ntau qhov kab mob qog hlav yog kaw nyob rau hauv lub nasopharynx.

Muaj ntau cov xav nyob rau hauv cov nqe lus nug: Yuav ua li cas puas caj pas cancer? Cov thawj cov cim qhia ntawm lub tsim ntawm ua cancer hlav muaj cov kev soj ntsuam mob, yog li ntawd lawv tau yooj yim meej pem nrog lwm yam kab mob. Common tej yam tshwm sim muaj xws li mob mob nyob rau hauv lub caj pas thiab lub pob ntseg, tsis hnov lus tsis zoo, txhaws qa, mob taub hau, ntshav, qaub ncaug, ib qho nyuaj rau tham nrog tus neeg mob, o cov qog ntshav hauv nyob rau hauv lub caj dab, ua pa tsw phem, mob thaum nqos. Thaum kev soj ntsuam lub qhov ncauj kab noj hniav kom muaj Yazi mucosa thiab tus nplaig. Thaum nrhiav kom tau ntawm cov tsos mob yuav tsum tam sim ntawd tau nrog tej tub txawg.

Lub hauv paus ntawm kev kho mob yog raws li nyob rau hauv peb txoj kev: kev phais, kws khomob los yog tawg txoj kev kho. Lub ob txoj kev yog aimed ntawm kev puas tsuaj ntawm undifferentiated hlwb. Thaum phais tshem tawm cov mob cancer thiab lwm cov qog ntshav hauv.