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PET / CT - he aha te ahua o te rangahau?

Kua tokomaha o koutou e mohio, korero e pā ana ki PET / CT, i te mea he hou, tikanga tino tika mo te tātaritanga wawe o te mate pukupuku, mate neurological me pathologies Cardiovascular. Ia, i roto i te rerekē ki CT MRI ranei e kore e whakaatu i te pikitia o te āhuatanga kikokiko o te manawanui, me hopu te tukanga o te mahi o etahi whēkau me te kopa. Kia pehea te rite whakahaere te PET scans me pehea e hiahia ana koe ki te taka e hoki reira, ka hipokina e matou i roto i tenei tuhinga.

He aha mate E pāngia te whakamahi i PET / CT?

Positron tukunga tomography ko te ako matatini ai pea Tātarihia te pukupuku e kore e e hua faaiteraa haumanu me te metastasis pukupuku i roto i te wāhanga tuatahi. I tua atu, taea reira ki a koe te whakahaere i te mate, nga hua me te whai huatanga o te therapy.

I roto i te mafatu, tātaritanga PET / CT whakamahia i roto i te wā o te mate ngakau coronary me mua coronary täpiritanga uaua karo. I roto i te Neurology ki e pāngia ai ki te sclerosis maha, a i roto i te mate hinengaro - mate o Alzheimer i te wā wawe, ka kore i ano i rite te faaiteraa waho o te pakarutanga mate. E te ara, tauturu te rangahau ki te wehewehe mate o Alzheimer i te tahi atu pathologies hua i roto i te dementia taipāpā (mate a Parkinson Huntington o ranei).

Ki te awhina o PET aromatawai mahi roro i muri i te patunga me te e pāngia haurangi ki haurangi.

PET / CT: Reviews o nga painga o tenei tikanga o te tātaritanga

I mua atu hou tikanga o tātaritanga kua maha ngā painga o PET. Tuatahi o te katoa, tenei tikanga - te tika tino o nga hunga ngā katoa, a ano, Ka taea e whakakapi i te reira e rave rahi rangahau tuku iho. Ano, PET ai kahore mamae, e kore pānga taha kino i runga i te tinana tangata, a ka taea e kitea te tukanga mate i te wā wawe.

Wātea i roto i rata e pā ana ki te arotake PET / CT tukua ki a matou te korero o tenei tikanga rite te ara ki te whiwhi mōhiohio pono i runga i te atamira i nei e kore e te kanohi huringa hanganga kitea i roto i te okana ano tīariari. Na tenei, kia rite ki matau koutou, hanga ana e ia taea ki te tīmata maimoatanga i nga wāhanga tuatahi o te mate, i tino whakanuia ana te whai huatanga o te therapy.

Ko te parau tumu o ngā whakamātautau PET

E tano ia tapao, korero e pā ana ki PET / CT āhuatanga e te rangahau taea ki a koe te tuhi i te rere toto i roto i whekau me te kopa, me te te kohi o te kūhuka whakamutunga.

I roto i te tinana o te tumu parau whakahaerea nei he iti, te kinokore ki te tangata, te nui o te taonga iraruke kawea nei e te toto ki te kopa. radiation rawakore e haere mai i reira, i whakaritea PET te me te tuku ki te rorohiko. He haere mai te tukatuka o ngā mōhiohio, me te hanganga o te whakapakoko. Na te ake o te taonga iraruke ko i te kikokiko, te atu titiro ratou ki te pikitia - pera-ka karanga "wera" wāhi, me te wahi i reira te taonga he iti, titiro puhoi - he "makariri" pae.

Whakawhanake ngā pūtau mate pukupuku tino kaha kūhuka hiahia reira rere pākia kaha e whakarato ana ratou ki pikitia i muri i PET / CT kanapa ( "wera") image. Ko te kupu, hoki PET tātaritanga taea te kitea anake tīmata ratou tupu rerekē o ngā pūtau mate pukupuku, a tae noa whakarite i te tupu matapae.

Techniques o PET / CT

I runga anō i te aha tirohanga mahi, kia hiahia te tākuta te hunga atu tikanga o te tātaritanga whakaahuatia ki radiopharmaceuticals rerekē ranei:

  • Mōkai ki 11c-Matuorakouawai;
  • PET ki 18F-fluorodeoxyglucose;
  • Mōkai ki 11c-methionine;
  • Mōkai ki 13N-haukini.

Hei tauira, mo te tātaritanga o te glioma mārere (pukupuku roro) e hiahiatia ana o te PET / CT ki methionine, e tukua ana ki te aromātai i te tohu o te repara.

Hei whakanui pono nga hua i, te ra i mua i te ako tūtohutia te manawanui e ki tutakina i te kai o te kai pūmua-kei roto katoa: kai, ika, waiu, me te soy. Ka taea e kai e koe anake huawhenua me hua. I roto i te whare hauora kia haere mai nohopuku, ka tukua ki te inu i te wai i roto i ngā rahinga mutunga (engari e kore e waireka reka ranei).

I roto i ētahi wā, kawea te tātaritanga i roto i te Matuorakouawai

Ki te whakatau tata i te huru tinana i roto i te matepukupuku repeure me te i roto i te pukupuku o te ate, me te roro maha kawea PET / CT ki Matuorakouawai.

whai wāhi ana tēnei taonga i roto i te hanga o taiepa pūtau, na te whakataki o te radionuclide ki reira taea ki te sioloto te aroaro o metastases ara iti e te hunga kitea i roto i te whakapakoko i roto i te puka o ngā whakaputa tūrama.

kawea ēnei akoranga i roto i te 2 ngā wāhanga - i muri i whakahaere o te radiopharmaceutical tonu me i muri i te 40 min. mahi matawai i runga i te puku kau, me kahore te whakamahi o te wai (i roto i te ata te tino waho reira).

1-2 wiki i mua i te whakamātautau e manakohia ana te manawanui e araia i te kai:

  • hua;
  • pī;
  • soybeans, pi me pini;
  • ate (me ētahi atu hua);
  • kōkihi;
  • kāpeti;
  • pīnati;
  • ōti;
  • wai ārani me tetahi huaora (rawa rōpū B).

Ka rite ki whakahaere te rangahau te

I roto i ruma i reira te whakamātautau PET / CT, ui te manawanui e ki te tahuri atu te whakaaro pūkoro me whakahere ki te haere ki te ruma tatari te wahi e wātea te manawanui i roto i te 20 meneti, me te ata iho. He mea tika ki te whakapai ake i te kounga o whakapakoko.

Muri examinee patia radiopharmaceutical me tatari mo tetahi atu hawhe te haora, tohaina noa te te mea i roto i te kopa tinana. E te ara, ki te i tenei wa i reira ko te hiahia ki te haere ki te wharepaku, koutou e taea e kore wareware i te reira. I tua atu, kei te ākina tūroro ki te haere ki te matawai PET e titiro rite te mīhini X-ray. pumau e pā ana ki 45 meneti tukanga rangahau iho (matawai roro, Heoi, ka taea e te tango haora, me te 1.5).

Ki te tika i roto i te tukanga ki te manawanui e taea whakatata te tangata i te kaimahi hauora. I roto i te take o te ako manawanui ngakau e taea homai puta mahi e ka whakaatu i te āhuatanga o te tohanga toto, me te mahi o tenei tinana.

Hoki te maimoatanga o te rauemi kia hiahia te hāora ki te 2 ra. Te reira i katoa tei runga i te momo, me te matatini o te rangahau.

Kia pehea te Ko te whakamātautau tinana katoa

Kei te nuinga o te wā mahi PET / CT tukanga tinana katoa ki te raro o te papatoiake. Ko te pātai o mehemea kahore ranei i te wa ano haru te angaanga, e noho i tautohetia. e kore ratou mahi i roto i malls maha. Ki te whakahaeretia te whāinga rangahau e tika ana anatomically wahi uaua karapa te kaihoko rerekē (taka iodine).

Karapa tīmatanga, te nuinga o ki wāhi papatoiake, ki te karo i te huri i te whakapakoko e puta rite ki te hua o te whakakī āta o te tōngāmimi. karapa ia tūemi i te iti rawa 4 meneti (tukunga scan) me tetahi atu 2 meneti (tuku scan).

PET scan o te tinana katoa taea ki a koe te hanga i tētahi mahere whakahaere oti, ki te taea, ki te tango i katoa o te kiko pāngia.

Contraindications mō PET / CT

Me kï hoki, kōrero ki te PET / CT, te uiui nei te i roto i ētahi wā contraindicated moni te, mai kia hē ai te raraunga. Hei tauira, tenei tupu i roto i te wā wawe postoperative i muri i tuwhera unuhanga (i roto i enei take i te iti rawa tūmanakohia o 4 wiki i muri i te pokanga). Kei te contraindicated hoki PET i muri i te hahau tata radiation therapy ranei. I roto i te take whakamutunga, te whati toru-marama tūtohu.

Kia hoatu hua teka-pai ka karapa - abscesses, mate me te sarkidoz: tukanga inflammatory i roto i te tinana. I roto i taua āhuatanga, e hiahia ana koe ki te kia tupato ki te mea whakaatu PET / CT.

I roto i te tahi mau atu wā (pēnei i apiapi te mea he uaua i roto i te maungārongo tūranga te manawanui ranei) kawa matawai rerekē i runga i te huru o te manawanui.

He aha e pupuri ahau i roto i te ngakau, ka teuteu mo te PET / CT

e kore e hoatu e ki a PET tātaritanga / CT koutou hūhi, me nga hua i te kounga rite pai, e hiahia ana koe ki te whai i te torutoru ture whānui mō ia momo o tukanga:

  • Ki te whakahaere i te PET / CT kia taka māfana me whakamarie.
  • I kakahu me te tinana e kore e roto i te maitai me te whakapaipai.
  • Mai te e taea te tango i te 1 rita o te inu, me te papawiti wai koropupū.
  • E hiahiatia ana wahine ki te hoatu i roto i te tākuta mohiotia e pā ana ki te hapū tīariari taea ranei, me te uma-kai, no te mea kei te hangai rāhuitia matawai i roto i teie mau huru.
  • Kia tino ki te whakahua i te aroaro o mate pāwera.
  • Hoki tūroro ki te mate huka, rapua e te faaineineraa motuhake mo te PET / CT.
  • I roto i te mau huru i reira whakahaere te rangahau i roto i te papatoiake e hiahia ana whakahaere ki te pū tōngāmimi tōngāmimi mimi ai.
  • Puta noa i te whakamātautau kia te manawanui kia whakaritea, e kore koutou e taea e te huri tūranga.
  • Ki te kore te te tahi atu kupu tohutohu i homai, na tonu i muri i matawai ruri taea hoki ki te ora noa, a ki te whakatere i te whakakorenga o radiopharmaceuticals, he mea e tika ana ki te inu rite nui wai rite taea.

Me pēhea te ki te whakamāori i te hua o PET / CT: tenei mutunga taea te tikanga?

I muri kawea te matawai i roto i te ringa o te manawanui e hoatu. Tonu e tika ana ki te whakatupato tetahi e faataahia te ki tenei rangahau, i te ngana ki te whaiaro-hamani ratou - ko te kawenga o te rata haere anake (kaimahi hauora, whakahaere PET, ano kahore e hoatu e tetahi tūtohutanga).

Te kore o te tohungatanga e taea arahi ki te hē o ngā hua. kia ratou mea uaua atu i te reira mau ko, ranei, hei kōrero, e kore e rapua e te wawaotanga hauora. Ka taea te whakaatu ai tika hua PET / CT anake i te tākuta, e koutou i tono tangata ki tenei rangahau. A ki te mea kua whakaritea e koe i runga i tona ake, na, kahore he mea aha e waiho te mutunga i tou mata o te tirohanga, he reira pai ki te whakaatu i tona tohunga kōtaha mō te tātaritanga tika, me te taumahi maimoatanga tika.

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