Metaplasia yog qhov hloov ntawm ib hom somatic sib txawv ntawm tes nrog lwm hom somatic cell sib txawv hauv tib cov ntaub so ntswg. Feem ntau, metaplasia yog ua los ntawm ib puag ncig stimuli, uas tuaj yeem ua hauv kev hais kwv txhiaj nrog cov teebmeem cuam tshuam ntawm cov kab mob thiab o.
Dab tsi ua rau metaplasia?
Ntau tus kws kho mob xav txog txoj hnyuv metaplasia yog ib qho mob ua ntej. Txawm hais tias qhov tseeb ntawm qhov ua rau mob plab hnyuv metaplasia tsis paub, muaj txoj kev xav muaj zog tias qhov ua rau tus mob tuaj yeem cuam tshuam nrog qee hom kab mob-namely, Helicobacter pylori (H. pylori.).
Vim li cas metaplasia tshwm sim hauv lub ntsws ntawm cov neeg haus luam yeeb?
Squamous metaplasia (SQM) yog ib qho kev hloov pauv ua ntej neoplastic ntawm bronchial epithelium pom nyob rau hauv lub ntsws teb rau kev raug mob lom los ntawm kev haus luam yeeb [1–4]. Nws yog ib feem ntawm ntau theem txheej txheem [5–7] uas thaum kawg yuav ua rau tag nrho cov kev hloov pauv ntawm neoplastic, piv txwv li bronchial carcinoma.
Lub hom phiaj rau kev loj hlob ntawm metaplasia yog dab tsi?
Qhov tseem ceeb hauv kab mob
Ib txwm muaj lub cev metaplasia, xws li endocervix, yog qhov xav tau. Qhov tseem ceeb ntawm kev kho mob ntawm metaplasia yog qhov nyob rau hauv qee qhov chaw uas muaj kab mob pathological tshwm sim, cov hlwb tuaj yeem nce los ntawm metaplasia, tsim dysplasia, thiab tom qab ntawd malignant neoplasia (cancer).
Yog vim li cas squamous metaplasia tshwm sim?
Cov khoom hauv kev pib thiab kev txhawb nqa ntawm squamous metaplasia yog kev khaus khaus ntawm lub cev, xws li tshwm sim los ntawm cov khoom siv tshuaj tiv thaiv kab mob hauv tsev menyuam (IUD), tshuaj lom neeg ua xua, mob nrog Kev puas tsuaj ntawm tes, thiab kev hloov pauv endocrine thaum pib, thaum lub sijhawm, thiab tom qab hnub nyoog yug me nyuam.