Yini i-Fludeoxyglucose F-18: Ukusetshenziswa, Umthamo, Imiphumela Eceleni nokuningi

I-Fludeoxyglucose F-18 iyisixazululo sikashukela esikhethekile esinomsakazo esisiza odokotela ukuthi babone ukuthi umzimba wakho usebenzisa kanjani amandla. Ikhishwa emthanjeni wakho futhi ihamba ngegazi lakho ukuze ibonise izindawo lapho amaseli esebenza kanzima kunokujwayelekile, okungasiza ukuthola umdlavuza, izinkinga zenhliziyo, noma izifo zobuchopho.

Le ejenti yokucabanga isebenza njengomphenyi wezokwelapha, ikhanyisa amaseli asebenzayo ekuskeneni okukhethekile okubizwa ngokuthi ama-PET scans. Cabanga ngayo njengomkhondo ophephile, wesikhashana osiza ithimba lakho lezokwelapha ukuthi lithole umbono ocacile walokho okwenzeka ngaphakathi emzimbeni wakho.

Yini i-Fludeoxyglucose F-18?

I-Fludeoxyglucose F-18 iyindlela enomsakazo ye-glucose (ushukela) umzimba wakho oyithatha njengoshukela ojwayelekile. Umehluko omkhulu ukuthi iqukethe inani elincane le-fluorine-18, elenza libonakale emishinini yokucabanga.

Amaseli akho ngokwemvelo athatha lo shukela oguquliwe lapho ewadinga amandla. Amaseli omdlavuza, izicubu ezivuvukile, nezindawo zobuchopho ezisebenzayo zivame ukumunca okuningi kwawo ngoba zisebenza kanzima kunamaseli ajwayelekile. Lokhu kudala amabala aqhakazile ekuskeneni okusiza odokotela ukuthi bathole izindawo ezinzima.

Ingxenye enomsakazo izwakala isabisa, kodwa empeleni iphephile kakhulu. Inani lemisebe lincane futhi lishiya umzimba wakho ngokwemvelo emahoreni ambalwa ngomchamo wakho nomoya wakho.

Isetshenziselwani i-Fludeoxyglucose F-18?

Odokotela basebenzisa le ejenti yokucabanga ikakhulukazi ukuthola nokuqapha umdlavuza emzimbeni wakho wonke. Isebenza kahle ikakhulukazi ekutholeni izimila ezingase zincane kakhulu ukuthi zingabonwa kuma-CT scans ajwayelekile noma ama-X-ray.

Ngaphandle kokutholwa komdlavuza, kusiza ukuhlola izimo eziningana ezibalulekile ezithinta impilo yakho yansuku zonke:

• Isifo senhliziyo - sibonisa ukuthi yiziphi izingxenye zomzimba wakho wenhliziyo ezithola igazi elanele
• Izifo zobuchopho ezinjengesifo i-Alzheimer, isithuthwane, noma ukuwohlokala kwengqondo
• Izifo okunzima ukuzithola ngeminye imithombo yokuhlola
• Izimo zokuvuvukala ezithinta izitho noma izicubu
• Ukuqapha ukuthi imithi yomdlavuza isebenza kahle kangakanani

Udkt wakho angase futhi ancome lokhu kuthwebula uma unezimpawu ezingachazeki ezisikisela isimo esibi. Kufana nokuba nemephu yezempilo ebanzi ekhombisa amaphethini omsebenzi womzimba wakho.

Isebenza Kanjani I-Fludeoxyglucose F-18?

Lokhu kuthathwa njengensiza yokuxilonga enobumnene kodwa enamandla esebenza ngokulingisa ukukhucululwa kukashukela komzimba wakho wemvelo. Uma ifakwe, ihamba ngegazi lakho futhi imuncwa ngamaseli adinga amandla.

Le nqubo yenzeka ngezinyathelo ezintathu ezilula. Okokuqala, amaseli akho amunca ushukela one-radioactive njengoba engenza i-glucose ejwayelekile. Bese, i-fluorine-18 ikhipha izinhlayiyana ezincane ezibizwa ngokuthi ama-positron angatholwa yi-PET scanner. Okokugcina, i-scanner idala izithombe ezinemininingwane ekhombisa lapho ushukela oqongeleleke khona emzimbeni wakho.

Izindawo ezinokuthathwa kukashukela okuphezulu zivela zikhanye kakhulu ekuskeneni. Amaseli omdlavuza, ngokwesibonelo, avame ukusebenzisa ushukela omningi kunamaseli avamile, ngakho avele njengamabala aqhakazile. Lokhu kusiza odokotela ukuthi bahlukanise phakathi kwezicubu ezinempilo nezingajwayelekile ngokunemba okumangalisayo.

Kufanele Ngiyithathe Kanjani I-Fludeoxyglucose F-18?

Awuyithathi ngempela le mithi njengepilisi noma umuthi olulwayo. Kunalokho, uchwepheshe wezokwelapha zenuzi oqeqeshiwe uzoyijova ngqo emthanjeni engalweni yakho ngentambo encane.

Ukulungiselela umjovo wakho kudinga izinyathelo ezithile ukuze kuqinisekiswe imiphumela engcono kakhulu. Uzodinga ukuzila ukudla okungenani amahora angu-4-6 ngaphambi kokuqokwa kwakho, uphuze amanzi kuphela ngalesi sikhathi. Lokhu kusiza umzimba wakho ukuthi umunce ushukela one-radioactive ngempumelelo.

Nakhu ongakulindela ngosuku lokuskena kwakho:

1. Fika ugqoke izingubo ezikhululekile, ezingaqinile ezingenazo izinto zensimbi
2. Susa ubucwebe, umsebenzi wamazinyo, noma yini equkethe insimbi
3. Thola umjovo ngenkathi uhlezi buthule esihlalweni esinethezekile
4. Phumula cishe imizuzu engama-45-60 ukuvumela i-tracer ukuthi isakazeke emzimbeni wakho wonke
5. Yenza i-PET scan yangempela, ethatha imizuzu engama-20-30

Isikhathi sokulinda ngemuva komjovo sibalulekile ngoba sivumela ushukela one-radioactive ukuthi ufinyelele kuzo zonke izingxenye zomzimba wakho. Ngesikhathi lesi, uzocelwa ukuthi uhlale uthule futhi ugweme ukuzivocavoca ukuze uvimbele ukuthathwa kwe-tracer yimisipha.

Kufanele Ngiyithathe Isikhathi Esingakanani I-Fludeoxyglucose F-18?

Lena akuyona imithi oyithatha ngokuphindaphindiwe njengamaphilisi ansuku zonke. Uthola umjovo owodwa ngesithombe ngasinye se-PET esiyalelwa udokotela wakho, okungase kube kanye, kabili, noma izikhathi eziningana kuye ngesimo sakho sezokwelapha esithile.

Ushukela one-radioactive uyaphuma emzimbeni wakho ngokwemvelo kungakapheli amahora angama-24 ngemuva komjovo. Okuningi kwawo kuyanyamalala ngomchamo wakho kungakapheli amahora ayi-6 okuqala, ngenani elincane eliqedwa ngomoya wakho nokunyakaza kwamathumbu.

Uma udinga izithombe zokulandela ukubheka ukuqhubeka kokwelashwa noma ukuhlola ukuthi umdlavuza ubuyile yini, lezi zivame ukuhlukaniswa amasonto noma izinyanga. Udokotela wakho uzoqoka isikhathi esifanele ngokuya ngezidingo zakho zezokwelapha ngazinye kanye nesimo esiqashwe.

Yiziphi Imiphumela Eceleni ye-Fludeoxyglucose F-18?

Abantu abaningi ababi nemiphumela eceleni evela kule njini yokuthwebula. Umjovo uzizwa ufana nanoma yikuphi ukudonswa kwegazi okuvamile noma ukufakwa kwe-IV, ngokuphatheka kabi okuncane kuphela endaweni yokujova.

Ukusabela okuvamile, uma kwenzeka, kuvame ukuba kuncane kakhulu futhi kube nesikhathi esifushane:

• Ukuba buhlungu okuncane noma ukulimala lapho kufakwe inaliti
• Ukukhathala okuncane ngamahora ngemuva kokuskena
• Ukunambitheka kwensimbi okwesikhashana emlonyeni wakho
• Ukuzwa ufudumele kancane noma ukhukhumele ngemuva komjovo

Lezi zimpawu zivame ukunyama ngaphakathi kwamahora ambalwa ngaphandle kokwelashwa. Ukuphuza amanzi amaningi kusiza ukukhipha izinto ezinomsakazo emzimbeni wakho ngokushesha.

Ukusabela okukhulu komzimba emithini akuvamile kodwa kungabandakanya ubunzima bokuphefumula, ukuqubuka okukhulu, noma ukuvuvukala ebusweni nasemphinjeni wakho. Uma uhlangabezana nanoma yiziphi zalezi zimpawu, funa usizo lwezokwelapha ngokushesha. Ithimba lezokwelapha elenza ukuskena kwakho liqeqeshwe ukubhekana nalezi zimo uma zivela.

Ubani Ongafanele Athole I-Fludeoxyglucose F-18?

Abantu abathile badinga ukucatshangelwa okukhethekile noma kufanele bagweme le njini yokuthwebula ngokuphelele. Abesifazane abakhulelwe akufanele bathole lo mjovo ngaphandle uma inzuzo yezokwelapha isobala ngaphezu kwezingozi ezingaba khona kumntwana osakhulayo.

Udokotela wakho uzohlola ngokucophelela isimo sakho uma ungena kunoma yiziphi zalezi zigaba:

• Abesifazane abakhulelwe noma abangase bakhulelwe
• Omama abancelisa (ungase udinge ukukhipha ubisi lwebele bese ululahla amahora angu-24)
• Abantu abanesifo sikashukela esingalawulwa noma amazinga kashukela egazi aphezulu kakhulu
• Izingane ezingaphansi kweminyaka engu-18 ubudala (idinga ukucatshangelwa okukhethekile kokulinganisa)
• Abantu abanezinkinga ezinzima zezinso ezingakwazi ukuqeda i-tracer ngempumelelo

Uma unesifo sikashukela, amazinga kashukela egazini lakho adinga ukulawulwa kahle ngaphambi kokuskena. Amazinga aphezulu e-glucose angaphazamisa ukuthathwa kukashukela onomsakazo, okungase kuthinte ukunemba kwemiphumela yakho.

Abantu abane-claustrophobia bangase bathole ukuthi inqubo yokuskena iyinselele, kodwa lokhu kuhlobene ne-PET scanner ngokwayo kunokuba umjovo. Ithimba lakho lezokwelapha linganikeza izindlela zokuphumula noma ukuthulisa okuncane uma kudingeka.

Amagama Omkhiqizo we-Fludeoxyglucose F-18

Le njini yokuthwebula itholakala ngaphansi kwamagama amaningana omkhiqizo, nakuba isithako esisebenzayo sihlala sifana kungakhathaliseki umenzi. Igama elivamile lomkhiqizo yi-Fluorodeoxyglucose F-18, okuyinto efana negama elivamile.

Ungase futhi uzwe kubizwa ngokuthi i-FDG, F-18 FDG, noma "i-tracer" nje yithimba lakho lezokwelapha. Ezinye izindawo zisebenzisa amagama athile omkhiqizo afana ne-Fludeoxyglucose F-18 Injection noma ezinye izincazelo eziqondene nomkhiqizi.

Into ebalulekile okufanele uyikhumbule ukuthi wonke la magama abhekisela kuleyo nto efanayo ye-glucose enomoya. Ikhwalithi nokusebenza kahle kuhlala kuhambisana kuwo wonke amabhrendi ahlukene ngoba kufanele ahlangabezane nezindinganiso eziqinile ze-FDA zokuphepha nokuhlanzeka.

Ezinye izindlela ze-Fludeoxyglucose F-18

Ezinye izindlela zokuthwebula izithombe zingahlinzeka ngolwazi olufanayo lokuxilonga, nakuba ngalinye linamandla alo kanye nemikhawulo yalo. Ukuskena kwe-CT ngombala ohlukile kungakhombisa izakhiwo zomzimba ezinemininingwane kodwa akukhombisi umsebenzi wamaselula njengoba kwenza ukuskena kwe-PET.

Ukuskena kwe-MRI kuvelela ekukhombiseni imininingwane yezicubu ezithambile futhi ngezinye izikhathi kungathola umdlavuza, kodwa akuzweli kangako ekutholeni izimila ezincane noma ekuqapheni impendulo yokwelashwa. Ukuskena kwamathambo kusetshenziswa ama-tracer ahlukene anomoya kungathola ukusabalala komdlavuza emathanjeni kodwa akubanzi njengokuskena kwe-PET.

Ezinye izinto ezinomoya ngaphandle kwe-F-18 FDG zihlanganisa:

• Ama-Gallium-68 compounds ezinhlobo ezithile zomdlavuza
• I-Technetium-99m yokuthwebula izithombe zenhliziyo namathambo
• I-Iodine-123 yezifundo zomsebenzi we-thyroid
• Ama-Carbon-11 tracers ocwaningweni lokuthwebula izithombe zobuchopho

Udokotela wakho uzokhetha indlela engcono kakhulu yokuthwebula izithombe ngokusekelwe ezimpawini zakho ezithile, umlando wezokwelapha, kanye nolwazi oludingekayo ukuze uqondise ukwelashwa kwakho. Ngezinye izikhathi kusetshenziswa izindlela eziningi zokuthwebula izithombe ndawonye ukuze kutholwe isithombe esiphelele kakhulu.

Ingabe i-Fludeoxyglucose F-18 ingcono kune-CT Scans?

Zombili izindlela zokuthwebula izithombe zinezinto ezihlukile ezizenza zibe yigugu ezimweni ezihlukene zezokwelapha. Ukuskena kwe-PET nge-F-18 FDG kuvelela ekutholeni umsebenzi womdlavuza nokukhombisa ukuthi amaseli asebenza kanjani, kuyilapho ukuskena kwe-CT kunikeza izithombe ezinemininingwane yezakhiwo zomzimba kanye ne-anatomy.

Ukuhlolwa kwe-PET kungcono kakhulu ekutholeni ukubuyela emuva komdlavuza, ekuhloleni impendulo yokwelashwa, nasekutholeni umdlavuza osabalale ezindaweni ezingalindelekile. Ngokuvamile bangakwazi ukubona amaseli omdlavuza asebenzayo ngaphambi kokuba izimila zikhule zibe zinkulu ngokwanele ukuthi zibonakale ekuhlolweni kwe-CT.

Nokho, ukuhlolwa kwe-CT kungcono kakhulu:

• Ukukhombisa usayizi oqondile wethumba nendawo
• Ukuthola izinhlobo ezithile zezinkinga zamaphaphu
• Ukuhlola ukulimala noma ukuqhekeka kwamathambo
• Ukuqondisa ama-biopsies noma izinqubo zokuhlinzwa
• Izimo eziphuthumayo ezidinga imiphumela esheshayo

Izikhungo eziningi zezokwelapha manje zinikeza ukuhlolwa kwe-PET-CT okuhlanganisiwe okunikeza kokubili ulwazi olusebenzayo nolwesakhiwo esimisweni esisodwa. Lokhu kuhlanganiswa kuvame ukunikeza odokotela umbono obanzi kakhulu wesimo sakho.

Ukukhetha phakathi kwalezi zindlela zokuthwebula kuncike embuzweni wakho othile wezokwelapha. Udokotela wakho uzoncoma indlela engase inikeze ulwazi oludingekayo ukuqondisa ukunakekelwa kwakho ngempumelelo.

Imibuzo Evame Ukubuzwa Mayelana ne-Fludeoxyglucose F-18

Q1. Ingabe i-Fludeoxyglucose F-18 iphephile kubantu abanesifo sikashukela?

Yebo, abantu abanesifo sikashukela bangathola ngokuphepha le njini yokuthwebula, kodwa ukulawulwa kukashukela wegazi kubalulekile ukuze kutholakale imiphumela enembile. Amazinga akho e-glucose kudingeka abe ngaphansi kuka-200 mg/dL, futhi ngokufanelekile asondele ebangeni elivamile ngaphambi komjovo.

Ushukela wegazi ophezulu ungaqhudelana ne-glucose enomsakazo ukuze ithathwe amaseli akho, okungenzeka ukuthi kwenze umdlavuza noma ezinye izindawo ezingavamile zibe nzima ukuzithola. Ithimba lakho lezokwelapha lizohlola ushukela wakho wegazi ngaphambi kwenqubo futhi lingahle lihlele kabusha uma amazinga ephezulu kakhulu.

Uma uthatha imithi yesifo sikashukela, udokotela wakho angase alungise isimiso sakho sokulinganisa ngosuku lokuskena. Qhubeka nokuthatha imithi yakho njengoba iqokiwe ngaphandle kokuthi unikezwe imiyalelo ethile ngumhlinzeki wakho wokunakekelwa kwezempilo.

Q2. Kufanele ngenzeni uma ngithola ngephutha i-Fludeoxyglucose F-18 eningi kakhulu?

Ukweqisa ngengozi akuvamile kakhulu ngoba ochwepheshe bezokwelapha zenuzi abaqeqeshiwe babala ngokucophelela futhi balinganise umthamo ngamunye. Kodwa-ke, uma ukhathazekile ngokuthola okuningi, xhumana nethimba lakho lezokwelapha ngokushesha ukuze uthole isiqondiso.

Izimpawu zokuthola izinto eziningi ezinomsakazo azivamile kodwa zingabandakanya isicanucanu, ukuhlanza, noma ukukhathala okungavamile. Lezi zimpawu zingase futhi zivela kwezinye izimbangela, ngakho-ke ukuhlolwa kwezokwelapha kubalulekile ukuthola imbangela yangempela.

Isinyathelo esibaluleke kakhulu ukuphuza amanzi amaningi ukusiza ukukhipha i-tracer eyeqile ohlelweni lwakho ngomchamo. Ithimba lakho lezokwelapha lingase futhi lincomende izinyathelo ezengeziwe zokuphepha ngokusekelwe esimweni sakho esithile kanye nenani lokuchayeka okwengeziwe.

Q3. Kufanele ngenzeni uma ngiphuthelwa umjovo wami ohleliwe we-Fludeoxyglucose F-18?

Vele uthinte isikhungo sakho sezokwelapha ngokushesha ngangokunokwenzeka ukuze uhlele kabusha i-aphoyintimenti yakho. Ngokungafani nemithi yansuku zonke, ukuphuthelwa lo mjovo akudali izingozi zezempilo ngokushesha, kodwa kubambezela imininingwane ebalulekile yokuxilonga.

Isikhungo sokuthwebula izithombe sizosebenza nawe ukuthola i-aphoyintimenti elandelayo etholakalayo evumelana neshejuli yakho. Bayaqonda ukuthi impilo iyenzeka futhi izimo eziphuthumayo ziyavela, ngakho-ke ngokuvamile bayavumelana kakhulu mayelana nokuhlela kabusha.

Ezinye izimo zezokwelapha ziphuthuma kakhulu kunezinye, ngakho-ke yazisa ithimba lokuhlela uma udokotela wakho egcizelele ukubaluleka kokuqeda ukuskena ngokushesha. Bangase bakwazi ukukusebenzela ngokushesha noma baphakamise amalungiselelo ahlukile.

Q4. Ngingayeka nini ukukhathazeka ngemisebe evela ku-Fludeoxyglucose F-18?

Izinto ezinomsakazo azitholakali emzimbeni wakho kungakapheli amahora angu-24 ngemva komjovo. Okuningi kwakho kunyamalala phakathi kwamahora okuqala angu-6-8 ngomchamo nokuphefumula okuvamile.

Ungaqhubeka nayo yonke imisebenzi ejwayelekile ngokushesha ngemva kokuskena kwakho, okuhlanganisa ukuba seduze nezingane, abesifazane abakhulelwe, nezilwane ezifuywayo. Ukuchayeka emisebeni kuqhathaniswa nalokho ongakuthola emithonjeni yemvelo yemvelo ezinyangeni ezimbalwa.

Ezinye izindawo zincoma ukuphuza amanzi engeziwe usuku lonke ukusiza ukukhipha i-tracer ngokushesha. Lokhu kuyisinyathelo sokuzivikela kunokuba yisidingo sezokwelapha, kodwa kungakunikeza ukuthula kwengqondo uma ukhathazekile ngokuchayeka emisebeni.

Q5. Ngingakwazi yini ukuzishayela ngemva kokuthola i-Fludeoxyglucose F-18?

Yebo, ungaphephela ukuzishayela ngemva komjovo nokuskena. I-glucose enomsakazo ayithinti ukucaca kwakho kwengqondo, ukuxhumana, noma ikhono lokuqhuba imoto ngokuphepha.

Ukuvinjelwa kokushayela kuphela kungavela ekuthuliseni uma uthole imithi yokulwa nokukhathazeka ukusiza nge-claustrophobia ngesikhathi sokuskena. Uma uthole imithi ethulisayo, uzodinga omunye umuntu ukukushayela ekhaya.

Abantu abaningi bazizwa bejwayelekile ngokuphelele ngemva kokuskena kwabo kwe-PET futhi bangabuyela emsebenzini, ukuzivocavoca, neminye imisebenzi ejwayelekile ngaphandle kwanoma yikuphi ukuvinjelwa. Inqubo yenzelwe ukungena emsebenzini wakho wansuku zonke ngokuphazamiseka okuncane.