ImpiloIzifo nemibandela

PET scan: ukubuyekezwa. Ivelaphi PET scan

Positron ekushayweni tomography, noma ama-PET - indlela noninvasive of ukuhlolwa kwesidumbu usebenzisa ama-apharathasi ekhethekile. Le ndlela isetshenziselwa kuthwetshulwa izitho zangaphakathi.

Yini ngokucacile zokuxilonga

PET scan - kuyini? Positron ekushayweni tomography - igatsha imithi enuzi. Le ndawo iphathelene ukusetshenziswa amalungiselelo ezithaka imithi ukuze kuhlonzwe kanye nokwelashwa izifo ezihlukahlukene. izinto Ngokukhethekile ekhiqizwa aqukethe nengcosana kakhulu isotopes enemisebe. Ukweqiwa yabo mincane kangako, lokho akulimazi umzimba.

Ulwazi mayelana ekuqongeleleni ezicutshini nucleotide usebenzisa isofthiwe ekhethekile siguqule umfanekiso sokuqhafaza zomzimba womuntu kanye lelivakalako ezintathu-ntathu of izinhlelo zangaphakathi. ngeso Spatial yomzimba kwenza kube nokwenzeka ukuhlola kwasendaweni zomuthi. Imiphumela emibi ye-izifundo PET awazange eqoshiwe.

izinhlobonhlobo tomography

indlela ukulethwa endaweni ethintekile yomzimba esinelebuli izidakamizwa isetshenziswa hhayi kuphela uphethwe kodwa futhi ukuze bayothola ukwelashwa. Kuyaziwa ukuthi emisebeni ezilimaza abantu ezaziwayo. Kodwa ososayensi bakwazi yokulawula it futhi ukukhokha ukuze kuzuze abantu. ngemithamo emincane kakhulu emisebeni, njengoba indawo iqondiswe endaweni ethintekile, elaphe izifo eziningi ezinkulu.

Tomography - ngeso kwezitho nezicubu izingqimba ngabanye mncane. Ekuqaleni kwaba igama ukulungiswa biologics ucwaningo. Izingcezu kwezicubu wanqunywa ku tincetu ayethe njo ngamakhemikhali akhethekile noma simisiwe bese izithombe.

Umlando omncane

Eyandulela we imaging okude bendabuko ze-X ray. Namuhla imaging egqinsiwe Kwenziwa ukusetshenziswa analog akhethekile imishini digital. Ukufanekisa isebenzisa ama-X ray. ubunjalo Static lokhu ososayensi indlela bebelokhu bezama ukunqoba iminyaka eminingi. Move umshini-X-ray kanye umzimba egxilile isiguli isinyathelo sokuqala sitholakele umzimba lamellar. Abadali indlela - Godfrey Hounsfield kanye no-Allan Cormack - ngo-1972 iwine KaNobel e Physiology noma Medicine Prize.

computed tomography - a term ebanzi kakhulu. Namuhla, ukuhlolwa non-koda yomzimba abazenzi ngosizo hardware ne-software. Ngomqondo ewumngcingo, a computed tomography kusho ucwaningo wakubo usebenzisa ama-X ray.

Olunye uhlobo indlela - okubizwa ngokuthi i-magnetic resonance imaging (MRI). Libuye libe indlela layering ngeso akude yezitho zangaphakathi. Kodwa awusekelwe-X ray, futhi ukusetshenziswa impendulo kagesi nuclei athomu. Kuyinto indlela yesimanje, saqala ihlolwe ngo-2003, Peter Mansfield noPawulu Lauterbur. Ukuze wakhe wokusungula we ososayensi bathola uMklomelo KaNobel.

Imisebenzi positron ekushayweni ukuskena

izingxenye Radioactive bathambekele buthelela abaningi babephephile ezindaweni ezithintekile komzimba bayakwazi kukhanye kuqhathaniswa nezinye izicubu. Lokhu kwenza kube imithi ewusizo kakhulu maqondana komdlavuza.

Umdlavuza amaseli uhlukanise ngokushesha futhi buthelela izinto radioactive inqwaba. Ngakho-ke, ezindaweni ezithintekile komzimba kuyabonakala. izindlela ezifanayo ukuhlola noninvasive akude, afana ne-X-ray noma tomography ngekhompyutha, ikhombise ukulimala ngokomqondo izicubu kuphela. PET cwaningo Uphawula degree of umsebenzi inqubo umdlavuza.

Lapho zokuba uchwepheshe wokuhlola izimila we radiopharmaceuticals okusetshenziselwa izinjongo ezifana:

  • ekukhombeni foci yenqubo umdlavuza nezicubu onesifo;
  • ukuxilongwa umehluko komdlavuza;
  • kokuhlaziywa kwamathenda ukuphumelela ukwelashwa.

Lapho ephelele PET-ukuhlolwa kwesidumbu abathintekayo ezindaweni ukukhanya asebenzayo elikuvumela ukuba kutholakale umsuka wendaba yesihluku isimila ayehlasela ku izitho eduze futhi metastases. Bona ziphakame ngoba amaseli esiyingozi ezihambayo ngokusebenzisa uhlelo egazini lymph, engena phakathi ijwabu, kakhulu ibanga kusuka isimila eyinhloko.

Imiphumela yaloku kuhlola okungenhla Ukwahlukaniswa nokuhlolwa ukwelashwa ukusebenza

Ngaphandle umdlavuza, imithi eyaziwa ngokuthi izimila ingozi. Abanaso zikhula, musa ukungena izitho elingumakhelwane ukuvimbela metastases. amaseli wabo abavuthiwe, division asebenzayo engekho. radionucleotides Benign buthelela futhi musa kukhanye. PET ukuhlola futhi yenza umsebenzi yokuzihlukanisa kwamangqamuzana ngokwemisebenzi yawo izinqubo neoplastic emzimbeni.

Lokhu inhlolovo kusiza ukuhlola imiphumela yokwelashwa. Uma lo msebenzi cell division, kanye luminosity incipha kakhulu, ukwelashwa angabhekwa yimpumelelo.

Yini eyingqayizivele mayelana nendlelanchubo yetinhlobo

Umsunguli wendlela ndlela ukuthi usosayensi Hungarian George Hevesy. Ngo-1913, lapho kuqala necebo izindlela zokusebenzisa izidakamizwa ngemisebe-abhalwe kwezokwelapha. Ngenxa yalesi usosayensi waklonyeliswa uMklomelo KaNobel Chemistry. Eyokuqala ngcono positron ekushayweni tomograph yohlobo yesimanje yasungulwa ngo-1961 ngu-James Robertson.

PET cwaningo kuyehluka kuneminye izindlela imaging ukuthi uyakwazi ukucacisa izinqubo isimila nasezigabeni zokuqala. Iziko le lesi sifo Usemncane kakhulu, kodwa zidla imikhiqizo ilebula. Lokhu kuhlola uyakwazi ukubona ukuthi isidumbu isebenze ukwehluleka emangqamuzaneni, kodwa ezimbi sikhombisa oyiyo. Namuhla, ngakho-ke, indlela positron ekushayweni tomography kuhlangene ngekhompyutha, okuvumela kuze amamilimitha angu ezimbalwa ukusungula kwasendaweni we izicubu.

ukuhlinzwa senhliziyo pathology isimiso sezinzwa

PET scan wenziwa hhayi kuphela ngoba izifo isimila, kodwa futhi ukuze uhlole iziyaluyalu zezinzwa inhliziyo. Ngokwesibonelo, usebenzisa le ndlela kungenzeka ukunquma ukushuba izitho, isifo senhliziyo ngisho yinhliziyo. Idivayisi uyakwazi ukubona ezindaweni kwegazi kahle noma ezimpofu. Lokhu kubalulekile ukuze kuhlonzwe ukuhlaselwa isifo senhliziyo kanye yenhliziyo Umthambo isifo. Kulezi izifo odokotela kudingeka baqaphe ukuthi amazed ngokuphelele isimiso sokujikeleza kwegazi kodwa kulo umoya-mpilo, kodwa kahle. Lokhu kuzosiza PET, sokunquma isidingo kokungenela kuhlinzwa.

Ungase futhi ukukhomba ukwephulwa ezenzeka Parkinson noma isithuthwane. PET scan zobuchopho kusiza kusaqalwa ukuhlonza ukwehluleka, okuholela senile komqondo. Ngokwesibonelo, lapho izimpawu, kodwa ezindaweni umzimba ezithile abathintekayo kakade. Ukuphulula kulula ukunquma foci nabanesithuthwane lesi sifo, okuyinto zingathonywa yilabo izindlela yokwelapha.

Njengoba ukuskena sihamba

Ngaphambi ekuqaleni inhlolovo isiguli ngemithambo yegazi glucose isixazululo nge enemisebe amalungiselelo. Ngemva kwesikhathi esithile (cishe ihora), lapho Izilandeli ukugeleza kwegazi ngeke ukusabalalisa wonke umzimba, umuntu ibekwe embhedeni ekhethekile enamathiselwe isithwebuli. Isikhathi sokulinda kuhle ukunganyakazi futhi uphumule ngokuphelele. Umuthi aqoqana imisipha ukusebenza, okungase zibulale imiphumela yocwaningo. Ukhukho nge uhamba nesineke ngokusebenzisa isithwebuli, okwamanje, imitshina ekhethekile ukubona ekhukhwini asebenzayo izidakamizwa ukumuncwa, futhi okukhipha idatha ku-qapha ikhompyutha.

Zogqinsi isofthiwe ngeso lengqondo kwezitho izinhlelo ebonisa esishintshashintshayo elikhanyayo. Uchwepheshe ukutadisha imiphumela yokuhlolwa, futhi yakha isiphetho wezokwelapha, futhi inikezwe isiguli kanye ephepheni tomography. Ubuncane isikhathi scan - isigamu sehora.

Yini ukuthi utshele udokotela wakho

Esikhathini komdlavuza PET scan ongabonisa okubizwa ngokuthi imiphumela emihle zamanga. Umuthi abakwazi kuphela buthelela isimila foci kodwa futhi izinqubo ukuvuvukala kule isitho esithile. Ngakho-ke akufanele enze PET ngokushesha ngemva kokuhlinzwa noma imiphumela emibi yokwelashwa ngamakhemikhali. Singakanani isikhathi sidlule esimweni ngasinye kumele, utshele udokotela wakho.

Radiopreparat excreted kusukela umzimba zingakapheli izinsuku. Lolu cwaningo iphephile ngokuphelele. Okuwukuphela contraindication - sokukhulelwa. Nokho, isiguli kufanele wazise udokotela ngazo zonke izifo, ezihlanganisa ukusabela kabi komzimba, ngaphambi kokuba adlulele isifundo PET.

Uphenyo inqubo omuhle. Kuyinto ngempumelelo futhi iphephile. Kufanele utshele udokotela wakho mayelana zonke imithi, amavithamini, amaphilisi, futhi Iziphungo ngezindleko zemithi engamakhambi. Uma owesifazane ibele, kufanele ubike ke. Ngokuvamile, ngemva excretion of eziyingozi izinto ibele zingancishiswa. Ngaphambi cwaningo Kuyadingeka ukuba asuse zonke imihlobiso kanye izinto eziqukethe metal, ezifana izinsizakuzwa. Tshela udokotela wakho uma une amazinyo okufakelwa (kuhlanganise amazinyo) noma izimila. Ngitshele mayelana nokuba khona emzimbeni. Bona ingaqukatha Umbala ejenti Isekelwe metal.

Indlela ukulungiselela

PET uphethwe kudinga preliminaries ekhethekile. Uma inqubo kuhlelelwe ekuseni, kusihlwa udinga ukudla okungenani ukudla okulula. Ngemva kwalokho, lapho engasakwazi. Ingabe amanzi odwa. Ukuze abantu abanesifo sikashukela, inikeza ekhethekile inqubo ukulungiswa esifundweni. On ke uyoba utshele udokotela wakho.

Izinkinga phakathi PET scan ezingabonwayo. Ingase futhi ishiwo side effects kanye nemiphumela ebuhlungu. Ngezinye izikhathi iziguli uzizwa ubuthaka futhi isiyezi. Kodwa kungenzeka lezi zimpawu zibangelwa ukudla luhlolo. Badlula ngokushesha. Kufanele kuqashelwe ukuthi isiguli ukuba aqambe amanga namanje phakathi naleyo nqubo. Lokhu kungadala ukungakhululeki, ubuhlungu emuva futhi umuzwa wobukhulu entanyeni. Kodwa lokuphumula okuphelele kubaluleke kakhulu ngenxa ukuskena abathembekile imiphumela.

Qaphela

Ukulungiselela i-PET izifundo isiphakamiso eza esibhedlela emizuzwini engu-15 ngaphambi kwesikhathi esimisiwe. Ungasingenisi izingane zakho noma abesifazane abakhulelwe, kufanele ngangokunokwenzeka ezivela emithonjeni ngemisebe. Thatha imiphumela zonke survey langaphambilini, okukhishwe ezakhini icala imilando, amarekhodi zezokwelapha. Emva inqubo, kuzomele ulandele ngokucophelela imithetho yokuhlanzeka. Ukuze Radiopreparat ngokushesha excreted emzimbeni, kutuswa ukuba baphuze.

izikhungo Medical nezikhungo

Ngabe PET scan? Lo mbuzo ekukhathaza iningi iziguli. Kuze kube manje, nezikhungo zezokwelapha, lapho ungakwazi ibhekane positron ekushayweni tomography, akuyona kakhulu eRussia. E-Moscow, ungenza uphethwe ezikhungweni ezifana:

  • Scientific Centre of senhliziyo Ukuhlinzwa kubo. Bakuleva.
  • Centre of radiosurgery kubo. Berezina.
  • Central Regional Hospital.
  • Isibhedlela Central Clinical № 1.
  • Ihlangano yokuNgeza Radiology Clinical.
  • Russian Cancer Research Center. Blokhin.

PET scan Kashirka kwenziwe ngaphansi kwezimo ngaphandle kokugcinwa kuyimfihlo. Kwavulwa igatsha muva ngo-2013. It has esenizitholile okusezingeni eliphezulu emamaki ochwepheshe kanye neziguli omuhle impendulo.

ungaya izikhungo ezifana Petersburg wokuhlola:

  • Ihlangano yokuNgeza Ubuchopho Bomuntu.
  • Military Medical Academy iqanjwe Kirov.
  • Central Research Institute Radiology edolobhaneni Sand.

Njengoba positron ekushayweni tomography kungenziwa eChelyabinsk Tyumen imitholampilo Oncology. Kukhona izikhungo ezimbili ezikhethekile wezokwelapha e Kazan:

  • Umdlavuza Centre of the Republic of iTatarstan.
  • Regional Clinical Oncology Centre.

isiphetho

Kuhlanganiswe PET / CT amadivayisi ungazange zonke izikhungo eshiwo ngenhla. Ezinye izikhungo babe arsenal yabo kuphela positron ekushayweni tomography. On luhlolo kungcono makudle CT ehlanganisiwe PET. Izibuyekezo kulo bayizinkulungwane esihle kakhulu. scanner okunjalo zinokwethenjelwa futhi iphephile. Ukuba khona kumadivayisi kuhlangene, intengo lwezikhathi lesikhungo kumele ihlolwe edilini lomshado.

Imigomo nemibandela ye-induduzo iziguli elisungulwe zonke izikhungo zokwelapha. Anikeza amakamelo okunethezekayo lonke kubantu elinde kuqale inqubo. Esikhathini yokudlela ungakwazi oda enempilo futhi okumnandi. Ngemva kokubuyela ekhaya, kutuswa ukuba silale.

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