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Peb puas yuav kawm txog qhov kev xeem IHC uas txiav txim siab txog kev kho mob qog noj ntshav hauv lub mis? (Immunohistochemistry - IHC Test)

Peb puas yuav kawm txog qhov kev xeem IHC uas txiav txim siab txog kev kho mob qog noj ntshav hauv lub mis? (Immunohistochemistry - IHC Test)

Thaum cov kws kho mob lees paub tias koj lossis ib tus neeg ze koj muaj mob qog noj ntshav mis, nws nyuaj rau hais lus txog qhov kev ntshai thiab kev ntxhov siab uas koj xav. Tib lub sijhawm, thaum cov kws kho mob tham txog ntau yam kev kuaj thiab kev kho mob , nws tuaj yeem nyuaj rau nkag siab cov lus ntawd. Ib qho kev kuaj uas koj yuav hnov ​​​​​​feem ntau yog qhov kev kuaj IHC. Txawm hais tias lub npe yuav suab me ntsis nyuaj, tsis txhob ntshai . Qhov no yog qhov kev kuaj tseem ceeb heev uas pab koj tus kws kho mob xaiv qhov kev kho mob zoo tshaj plaws rau koj mob qog noj ntshav. Hnub no, peb yuav tham txog qhov no hauv txoj kev yooj yim heev, hauv txoj kev uas koj tuaj yeem nkag siab.

Qhov kev xeem IHC yog dab tsi yooj yim?

Hais yooj yim xwb, IHC (Immunohistochemistry) yog ib qho kev kuaj tshwj xeeb uas txheeb xyuas qhov xwm txheej tseeb ntawm koj cov hlwb mob qog noj ntshav. Tsis yog txhua tus mob qog noj ntshav hauv lub mis zoo ib yam. Qee cov mob qog noj ntshav siv cov tshuaj hormones hauv peb lub cev kom loj hlob. Lwm tus nyob ntawm lwm cov protein kom loj hlob. Yog li thaum koj paub meej tias cov yam dab tsi pab koj tus mob qog noj ntshav loj hlob, koj tus kws kho mob tuaj yeem tsom mus rau cov yam ntawd thiab kho lawv.

Qhov kev xeem IHC feem ntau nrhiav ob yam:

1. Cov Tshuaj Hormone Receptors : Peb lub cev tsim cov tshuaj hormones hu ua estrogen thiab progesterone. Qee cov cell mob qog noj ntshav mis muaj cov chaw tshwj xeeb ntawm lawv qhov chaw hu ua receptors uas cov tshuaj hormones no tuaj yeem txuas. Thaum cov tshuaj hormones no txuas, cov cell mob qog noj ntshav tau txais lub cim kom loj hlob. Yog tias koj cov cell mob qog noj ntshav muaj cov tshuaj hormones receptors no, nws hu ua "hormone receptor-positive."

2. HER2 protein: `(HER2)` yog lwm cov protein uas pab tswj kev loj hlob ntawm cov cell. Txawm li cas los xij, qee cov cell mob qog noj ntshav hauv lub mis tsim cov protein `HER2` no ntau dhau. Qhov no hu ua "HER2-positive". Qhov no kuj yog ib qho laj thawj vim li cas mob qog noj ntshav loj hlob sai dua.

Lub hom phiaj tseem ceeb ntawm qhov kev kuaj no yog nrhiav seb yam dab tsi yog yam uas ua rau koj mob qog noj ntshav loj hlob, uas yog, yam dab tsi ua rau nws loj hlob. Tom qab ntawd, peb tuaj yeem muab tshuaj rau koj uas yuav tiv thaiv qhov "noj" ntawd.

Qhov kev xeem IHC no ua li cas?

Qhov kev kuaj no yuav tsum tau ib qho qauv ntawm koj cov hlwb qog nqaij hlav . Qhov no feem ntau yog tau los ntawm ib daim nqaij uas tau coj thaum lub sijhawm kuaj mob qog nqaij hlav los paub tseeb tias muaj qog nqaij hlav lossis thaum lub sijhawm phais kom tshem tawm cov qog nqaij hlav.

Tom qab ntawd daim nqaij no raug xa mus rau chav kuaj mob, uas yog, mus rau chav kuaj mob. Nyob ntawd, muaj ib yam dab tsi nthuav heev tshwm sim:

  • Cov kws tshaj lij hauv chav kuaj yuav ntxiv ib yam tshuaj tshwj xeeb rau koj cov qauv qog nqaij hlav. Qhov no siv ib hom protein uas tsim tshwj xeeb hauv chav kuaj. Cov no hu ua "antibodies".
  • Cov '(antibodies)' no tsuas yog tsim los txuas rau '(Estrogen)', '( Progesterone )' lossis '(HER2)' receptors xwb. Ib yam li lub qhov tseem ceeb uas haum rau tus yuam sij.
  • Yog tias koj cov qog nqaij hlav muaj cov receptors no, cov antibodies ntawd yuav mus thiab lo rau lawv.
  • Tom qab ntawd, thaum ntxiv lwm yam tshuaj rau qhov no, cov hlwb uas muaj cov tshuaj tiv thaiv kab mob yuav hloov xim .
  • Tus kws kho mob pathologist , lossis histologist, saib cov ntaub so ntswg hauv qab lub tshuab microscope thiab suav seb puas muaj cov cell uas tau hloov xim thiab muaj pes tsawg.

Nov yog li cas koj thiaj li paub tseeb tias koj tus mob qog noj ntshav yog 'HER2-positive', 'hormone receptor-positive', lossis 'both-negative'.

Koj nkag siab li cas txog yam uas nyob hauv daim ntawv qhia kev xeem?

Thaum koj tau txais koj daim ntawv qhia txog kev kuaj IHC, nws yuav ua rau koj ntshai me ntsis thaum pom cov lej thiab cov lus ntawm nws. Tab sis qhov tseem ceeb tshaj plaws yog zaum nrog koj tus kws kho mob thiab tham kom meej txog txhua yam hauv daim ntawv qhia . Nov yog li cas cov txiaj ntsig feem ntau raug tshaj tawm:

Cov txiaj ntsig HER2

Feem ntau cov txiaj ntsig ntawm 'HER2' yog muab ua tus lej.

Qhov tshwm sim Lub ntsiab lus
0 los yog 1+ Qhov no txhais tau tias koj tus mob qog noj ntshav yog HER2-negative . Qhov no txhais tau tias cov qog noj ntshav tsis muaj HER2 receptors lossis muaj cov theem qis heev ntawm lawv.
2+ Qhov no yog ib qho mob uas "nyob ib sab" lossis tsis paub meej . Nws tsis tuaj yeem hais tseeb tias qhov mob qog nqaij hlav yog HER2-positive lossis negative. Hauv cov xwm txheej zoo li no, tus kws kho mob yuav pom zoo kom kuaj mob kom meej dua, hu ua FISH test (Fluorescence In Situ Hybridization).
3+ xyoo Qhov no txhais tau tias koj tus mob qog noj ntshav yog HER2-positive . Qhov no txhais tau tias cov hlwb qog noj ntshav muaj ntau HER2 receptors.

Hormone Receptor (ER/PR) Cov txiaj ntsig

Cov txiaj ntsig no tuaj yeem tshaj tawm tau ntau txoj hauv kev:

  • Ua ib feem pua ​​(0% - 100%): Feem pua ​​ntawm 100 lub hlwb mob qog noj ntshav uas muaj cov tshuaj hormones receptors.
  • Tus lej txij li 0 txog 3: 0 txhais tau tias tsis muaj cov receptors. 1, 2, thiab 3 qhia txog cov receptors qis, nruab nrab, thiab siab, raws li.
  • Ib qho "Allred qhab nia" (0-8): Qhov qhab nia no siab dua, qhov ntau dua ntawm cov receptors thiab lawv qhov meej.
  • "Zoo" los yog "Tsis Zoo": "Zoo" txhais tau tias muaj cov receptors. Txawm tias muaj tsawg li 1% ntawm cov receptors, nws tseem suav tias yog "Zoo." Yog li ntawd, nws yog ib qho tseem ceeb kom paub feem pua ​​lossis qhab nia.

Qee zaum cov txiaj ntsig yuav tsis raug. Yog tias koj muaj lus nug dab tsi, tsis txhob yig los hais kom koj tus kws kho mob kom lwm tus "kws kho mob" rov kuaj dua daim ntawv qhia lossis rov kuaj dua.

Cov txiaj ntsig IHC cuam tshuam li cas rau koj txoj kev kho mob?

Qhov no yog qhov tseem ceeb tshaj plaws. Koj tus kws kho mob qog nqaij hlav yuav txiav txim siab txoj kev npaj kho mob zoo tshaj plaws rau koj raws li cov txiaj ntsig ntawm kev xeem IHC.

Hom mob qog noj ntshav (raws li cov txiaj ntsig IHC) Kev kho mob sib xws
HER2-zoo Kev kho mob tsom mus rau hom mob no, uas tsom mus rau HER2 protein, zoo heev rau hom mob no.
HER2-tsis zooHom no yuav loj hlob qeeb dua li mob qog noj ntshav HER2-positive. Cov tshuaj uas tsom rau HER2 tsis ua haujlwm rau hom no. Yog li koj tus kws kho mob yuav xaiv lwm yam kev kho mob, xws li kev kho mob chemotherapy lossis kev kho mob hormone.
Cov tshuaj hormones receptor-positive (ER+ thiab/lossis PR+) Kev kho mob hormone zoo heev rau hom mob qog noj ntshav no. Cov tshuaj no txo ​​cov tshuaj estrogen hauv lub cev lossis thaiv cov hlwb qog noj ntshav kom tsis txhob tau txais estrogen.
Cov tshuaj hormones receptor-negative Cov mob qog noj ntshav no feem ntau loj hlob sai. Kev kho mob hormone tsis tuaj yeem cuam tshuam rau qhov no. Yog li ntawd, lwm yam kev kho mob, xws li chemotherapy, yog qhov xav tau.
Peb npaug-zoo Qhov no txhais tau hais tias tag nrho peb yam no yog qhov zoo: `(Estrogen), `(Progesterone), thiab `HER2.` Cov neeg no tuaj yeem tau txais kev kho mob hormonal thiab kev kho mob HER2.
Triple-negative Qhov no txhais tau tias tag nrho peb yam no tsis zoo. Cov no feem ntau loj hlob sai. Vim tias cov tshuaj hormones lossis HER2-targeted therapies tsis ua haujlwm rau qhov no, tej yam xws li kev phais, chemotherapy, thiab kev siv hluav taws xob feem ntau yog siv.

Cov Lus Qhia Txog Kev Coj Mus Tsev

  • Qhov kev kuaj IHC yog ib qho kev kuaj tseem ceeb heev uas siv rau hauv kev npaj kho mob qog noj ntshav hauv lub mis. Tsis txhob ntshai lub npe.
  • Qhov no feem ntau txiav txim siab seb koj tus mob qog noj ntshav puas yog nyob ntawm cov tshuaj hormones (ER/PR zoo) thiab HER2 protein-nyob ntawm (HER2 zoo).
  • Raws li cov txiaj ntsig ntawm qhov kev kuaj no, koj tus kws kho mob yuav muaj peev xwm xaiv txoj kev kho mob zoo tshaj plaws rau koj, nrog rau cov kev mob tshwm sim tsawg tshaj plaws.
  • Thaum koj tau txais koj daim ntawv qhia txog kev kuaj mob, thov koj tus kws kho mob piav qhia txhua lo lus thiab txhua tus lej hauv nws kom koj nkag siab meej. Tsis txhob ntshai nug cov lus nug.
  • Yog koj tsis paub meej txog cov txiaj ntsig, nrog koj tus kws kho mob tham txog kev nrhiav kev pab los ntawm lwm tus lossis rov ua qhov kev kuaj dua. Nws yog ib qho tseem ceeb uas koj yuav tsum ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab txog koj txoj kev noj qab haus huv.

Mob qog noj ntshav hauv lub mis, kev kuaj IHC, Immunohistochemistry, HER2, cov tshuaj hormones receptors, kev kho mob qog noj ntshav, Estrogen, Progesterone, kev kuaj mob qog noj ntshav sinhala
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

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Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.

Ntxiv koj cov lus

Thov xam: 3 + 9 =
Peb puas yuav kawm txog qhov kev xeem IHC uas txiav txim siab txog kev kho mob qog noj ntshav hauv lub mis? (Immunohistochemistry - IHC Test)
Kev Kuaj MobJuly 6, 2026

Peb puas yuav kawm txog qhov kev xeem IHC uas txiav txim siab txog kev kho mob qog noj ntshav hauv lub mis? (Immunohistochemistry - IHC Test)

Thaum cov kws kho mob lees paub tias koj lossis ib tus neeg ze koj muaj mob qog noj ntshav mis, nws nyuaj rau hais lus txog qhov kev ntshai thiab kev ntxhov siab uas koj xav. Tib lub sijhawm, thaum cov kws kho mob tham txog ntau yam kev kuaj thiab kev kho mob , nws tuaj yeem nyuaj rau nkag siab cov lus ntawd. Ib qho kev kuaj uas koj yuav hnov ​​​​​​feem ntau yog qhov kev kuaj IHC. Txawm hais tias lub npe yuav suab me ntsis nyuaj, tsis txhob ntshai . Qhov no yog qhov kev kuaj tseem ceeb heev uas pab koj tus kws kho mob xaiv qhov kev kho mob zoo tshaj plaws rau koj mob qog noj ntshav. Hnub no, peb yuav tham txog qhov no hauv txoj kev yooj yim heev, hauv txoj kev uas koj tuaj yeem nkag siab.

Qhov kev xeem IHC yog dab tsi yooj yim?

Hais yooj yim xwb, IHC (Immunohistochemistry) yog ib qho kev kuaj tshwj xeeb uas txheeb xyuas qhov xwm txheej tseeb ntawm koj cov hlwb mob qog noj ntshav. Tsis yog txhua tus mob qog noj ntshav hauv lub mis zoo ib yam. Qee cov mob qog noj ntshav siv cov tshuaj hormones hauv peb lub cev kom loj hlob. Lwm tus nyob ntawm lwm cov protein kom loj hlob. Yog li thaum koj paub meej tias cov yam dab tsi pab koj tus mob qog noj ntshav loj hlob, koj tus kws kho mob tuaj yeem tsom mus rau cov yam ntawd thiab kho lawv.

Qhov kev xeem IHC feem ntau nrhiav ob yam:

1. Cov Tshuaj Hormone Receptors : Peb lub cev tsim cov tshuaj hormones hu ua estrogen thiab progesterone. Qee cov cell mob qog noj ntshav mis muaj cov chaw tshwj xeeb ntawm lawv qhov chaw hu ua receptors uas cov tshuaj hormones no tuaj yeem txuas. Thaum cov tshuaj hormones no txuas, cov cell mob qog noj ntshav tau txais lub cim kom loj hlob. Yog tias koj cov cell mob qog noj ntshav muaj cov tshuaj hormones receptors no, nws hu ua "hormone receptor-positive."

2. HER2 protein: `(HER2)` yog lwm cov protein uas pab tswj kev loj hlob ntawm cov cell. Txawm li cas los xij, qee cov cell mob qog noj ntshav hauv lub mis tsim cov protein `HER2` no ntau dhau. Qhov no hu ua "HER2-positive". Qhov no kuj yog ib qho laj thawj vim li cas mob qog noj ntshav loj hlob sai dua.

Lub hom phiaj tseem ceeb ntawm qhov kev kuaj no yog nrhiav seb yam dab tsi yog yam uas ua rau koj mob qog noj ntshav loj hlob, uas yog, yam dab tsi ua rau nws loj hlob. Tom qab ntawd, peb tuaj yeem muab tshuaj rau koj uas yuav tiv thaiv qhov "noj" ntawd.

Qhov kev xeem IHC no ua li cas?

Qhov kev kuaj no yuav tsum tau ib qho qauv ntawm koj cov hlwb qog nqaij hlav . Qhov no feem ntau yog tau los ntawm ib daim nqaij uas tau coj thaum lub sijhawm kuaj mob qog nqaij hlav los paub tseeb tias muaj qog nqaij hlav lossis thaum lub sijhawm phais kom tshem tawm cov qog nqaij hlav.

Tom qab ntawd daim nqaij no raug xa mus rau chav kuaj mob, uas yog, mus rau chav kuaj mob. Nyob ntawd, muaj ib yam dab tsi nthuav heev tshwm sim:

  • Cov kws tshaj lij hauv chav kuaj yuav ntxiv ib yam tshuaj tshwj xeeb rau koj cov qauv qog nqaij hlav. Qhov no siv ib hom protein uas tsim tshwj xeeb hauv chav kuaj. Cov no hu ua "antibodies".
  • Cov '(antibodies)' no tsuas yog tsim los txuas rau '(Estrogen)', '( Progesterone )' lossis '(HER2)' receptors xwb. Ib yam li lub qhov tseem ceeb uas haum rau tus yuam sij.
  • Yog tias koj cov qog nqaij hlav muaj cov receptors no, cov antibodies ntawd yuav mus thiab lo rau lawv.
  • Tom qab ntawd, thaum ntxiv lwm yam tshuaj rau qhov no, cov hlwb uas muaj cov tshuaj tiv thaiv kab mob yuav hloov xim .
  • Tus kws kho mob pathologist , lossis histologist, saib cov ntaub so ntswg hauv qab lub tshuab microscope thiab suav seb puas muaj cov cell uas tau hloov xim thiab muaj pes tsawg.

Nov yog li cas koj thiaj li paub tseeb tias koj tus mob qog noj ntshav yog 'HER2-positive', 'hormone receptor-positive', lossis 'both-negative'.

Koj nkag siab li cas txog yam uas nyob hauv daim ntawv qhia kev xeem?

Thaum koj tau txais koj daim ntawv qhia txog kev kuaj IHC, nws yuav ua rau koj ntshai me ntsis thaum pom cov lej thiab cov lus ntawm nws. Tab sis qhov tseem ceeb tshaj plaws yog zaum nrog koj tus kws kho mob thiab tham kom meej txog txhua yam hauv daim ntawv qhia . Nov yog li cas cov txiaj ntsig feem ntau raug tshaj tawm:

Cov txiaj ntsig HER2

Feem ntau cov txiaj ntsig ntawm 'HER2' yog muab ua tus lej.

Qhov tshwm sim Lub ntsiab lus
0 los yog 1+ Qhov no txhais tau tias koj tus mob qog noj ntshav yog HER2-negative . Qhov no txhais tau tias cov qog noj ntshav tsis muaj HER2 receptors lossis muaj cov theem qis heev ntawm lawv.
2+ Qhov no yog ib qho mob uas "nyob ib sab" lossis tsis paub meej . Nws tsis tuaj yeem hais tseeb tias qhov mob qog nqaij hlav yog HER2-positive lossis negative. Hauv cov xwm txheej zoo li no, tus kws kho mob yuav pom zoo kom kuaj mob kom meej dua, hu ua FISH test (Fluorescence In Situ Hybridization).
3+ xyoo Qhov no txhais tau tias koj tus mob qog noj ntshav yog HER2-positive . Qhov no txhais tau tias cov hlwb qog noj ntshav muaj ntau HER2 receptors.

Hormone Receptor (ER/PR) Cov txiaj ntsig

Cov txiaj ntsig no tuaj yeem tshaj tawm tau ntau txoj hauv kev:

  • Ua ib feem pua ​​(0% - 100%): Feem pua ​​ntawm 100 lub hlwb mob qog noj ntshav uas muaj cov tshuaj hormones receptors.
  • Tus lej txij li 0 txog 3: 0 txhais tau tias tsis muaj cov receptors. 1, 2, thiab 3 qhia txog cov receptors qis, nruab nrab, thiab siab, raws li.
  • Ib qho "Allred qhab nia" (0-8): Qhov qhab nia no siab dua, qhov ntau dua ntawm cov receptors thiab lawv qhov meej.
  • "Zoo" los yog "Tsis Zoo": "Zoo" txhais tau tias muaj cov receptors. Txawm tias muaj tsawg li 1% ntawm cov receptors, nws tseem suav tias yog "Zoo." Yog li ntawd, nws yog ib qho tseem ceeb kom paub feem pua ​​lossis qhab nia.

Qee zaum cov txiaj ntsig yuav tsis raug. Yog tias koj muaj lus nug dab tsi, tsis txhob yig los hais kom koj tus kws kho mob kom lwm tus "kws kho mob" rov kuaj dua daim ntawv qhia lossis rov kuaj dua.

Cov txiaj ntsig IHC cuam tshuam li cas rau koj txoj kev kho mob?

Qhov no yog qhov tseem ceeb tshaj plaws. Koj tus kws kho mob qog nqaij hlav yuav txiav txim siab txoj kev npaj kho mob zoo tshaj plaws rau koj raws li cov txiaj ntsig ntawm kev xeem IHC.

Hom mob qog noj ntshav (raws li cov txiaj ntsig IHC) Kev kho mob sib xws
HER2-zoo Kev kho mob tsom mus rau hom mob no, uas tsom mus rau HER2 protein, zoo heev rau hom mob no.
HER2-tsis zooHom no yuav loj hlob qeeb dua li mob qog noj ntshav HER2-positive. Cov tshuaj uas tsom rau HER2 tsis ua haujlwm rau hom no. Yog li koj tus kws kho mob yuav xaiv lwm yam kev kho mob, xws li kev kho mob chemotherapy lossis kev kho mob hormone.
Cov tshuaj hormones receptor-positive (ER+ thiab/lossis PR+) Kev kho mob hormone zoo heev rau hom mob qog noj ntshav no. Cov tshuaj no txo ​​cov tshuaj estrogen hauv lub cev lossis thaiv cov hlwb qog noj ntshav kom tsis txhob tau txais estrogen.
Cov tshuaj hormones receptor-negative Cov mob qog noj ntshav no feem ntau loj hlob sai. Kev kho mob hormone tsis tuaj yeem cuam tshuam rau qhov no. Yog li ntawd, lwm yam kev kho mob, xws li chemotherapy, yog qhov xav tau.
Peb npaug-zoo Qhov no txhais tau hais tias tag nrho peb yam no yog qhov zoo: `(Estrogen), `(Progesterone), thiab `HER2.` Cov neeg no tuaj yeem tau txais kev kho mob hormonal thiab kev kho mob HER2.
Triple-negative Qhov no txhais tau tias tag nrho peb yam no tsis zoo. Cov no feem ntau loj hlob sai. Vim tias cov tshuaj hormones lossis HER2-targeted therapies tsis ua haujlwm rau qhov no, tej yam xws li kev phais, chemotherapy, thiab kev siv hluav taws xob feem ntau yog siv.

Cov Lus Qhia Txog Kev Coj Mus Tsev

  • Qhov kev kuaj IHC yog ib qho kev kuaj tseem ceeb heev uas siv rau hauv kev npaj kho mob qog noj ntshav hauv lub mis. Tsis txhob ntshai lub npe.
  • Qhov no feem ntau txiav txim siab seb koj tus mob qog noj ntshav puas yog nyob ntawm cov tshuaj hormones (ER/PR zoo) thiab HER2 protein-nyob ntawm (HER2 zoo).
  • Raws li cov txiaj ntsig ntawm qhov kev kuaj no, koj tus kws kho mob yuav muaj peev xwm xaiv txoj kev kho mob zoo tshaj plaws rau koj, nrog rau cov kev mob tshwm sim tsawg tshaj plaws.
  • Thaum koj tau txais koj daim ntawv qhia txog kev kuaj mob, thov koj tus kws kho mob piav qhia txhua lo lus thiab txhua tus lej hauv nws kom koj nkag siab meej. Tsis txhob ntshai nug cov lus nug.
  • Yog koj tsis paub meej txog cov txiaj ntsig, nrog koj tus kws kho mob tham txog kev nrhiav kev pab los ntawm lwm tus lossis rov ua qhov kev kuaj dua. Nws yog ib qho tseem ceeb uas koj yuav tsum ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab txog koj txoj kev noj qab haus huv.

Mob qog noj ntshav hauv lub mis, kev kuaj IHC, Immunohistochemistry, HER2, cov tshuaj hormones receptors, kev kho mob qog noj ntshav, Estrogen, Progesterone, kev kuaj mob qog noj ntshav sinhala
⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

Tsis muaj lus teb tau muab tso tawm. Ntxiv koj cov lus tawm ntawm no thawj zaug.

Ntxiv koj cov lus

Thov xam: 3 + 9 =