I-PET imelela i-positron emission tomography , futhi ibhekwa njengeluhlobo lwe-imaging "yemithi yenukliya". Ukuhlolwa kwe-nuclear nyuke konke kufana nokusetshenziswa kwenani elincane lezinto ezivuthayo ukuze zifane nomzimba noma ezinye izici zomsebenzi wakhe, njengokuhamba kwegazi, imetabolism, ukusetshenziswa kwe-oksijeni noma i-glucose uptake.
Ama-X-ray, ukuhlola kwe-CT kanye nokukala kwe-MR kusetshenziselwa ukuveza umzimba wakho ukuveza izakhiwo ezihlukile ezinhlotsheni zabo zomzimba, kubandakanya ukukhomba izicubu ngokusekelwe ngobukhulu bawo, isimo nesimo.
Izilinganiso ze-PET ziyahlukahluka kuye ngokuthi uhlobo oluthile olusetshenzisiwe, kodwa ovamile usebenzisa ishukela emsakazweni ukuze abone ukwelashwa ngokusekelwe kokushukela kwalawo ushukela ngamangqamuzana omdlavuza.
Yini I-PET Scans Offer?
Izikrini ze-CT kanye nezilinganiso zikaM MR zingathola izithombe ezinhle kakhulu ezingxenyeni ezihlukene zomzimba, futhi zikhomba izigcawu ezikhulisiwe noma izixuku eziningi . Kodwa-ke, ngezinye izikhathi kunzima ukutshela ukuthi inhlama noma ubuningi emzimbeni ngempela unamaseli amathumba kuwo kuphela ngokulinganisa usayizi nobujamo bawo. Izimbongolo ezincane noma ama-node angase abe namaseli omdlavuza, kuyilapho ezinkulu zingase zingabi nengozi. Ukuhlola kwe-PET kungasiza ukukhomba amangqamuzana anomdlavuza atholakele ngaphakathi kwezakhi ezibonakalayo ezijwayelekile. Bangasiza futhi ukubona umdlavuza ezindaweni ezingakaze zicatshangelwe ukuthi zihileleke ekusakazeni kwesifo. Yonke lekhono lokuthola inomqondo ophansi-okungukuthi, amandla okuthola okungamanga okungamanga. Kodwa-ke, ukuqwashiswa kwamaphethini okulinganisa kanye nokulinganiselwa kwe-PET kusiza ukuqondisa odokotela abahumusha lezi zifundo.
Ukusebenzisa i-PET Scans ye-Lymphoma
Izilinganiso ze-PET ziningi kakhulu ezisebenzisa i- lymphoma:
- Zingasetshenziselwa ukubeka isiteji, noma ukudweba lesi sifo emzimbeni wakho, kanye nezinye izivivinyo ezifana nezikrini ze-CT.
- Umbiko we-PET wokuhlola ungasiza ekunqumeni ukuthi hlobo luni lwezokwelapha lungcono kakhulu kuwe, njenge-chemotherapy noma imisebe.
- Ingabonisa ukuthi isisindo esikhungweni se-CT sinomdlavuza noma cha.
- Kungasiza ekuhloleni ukuthi uphendula kanjani kahle ukwelashwa , uma kwenziwa ngemva kwemigqa embalwa ye-chemotherapy.
- Ngemuva kokuba ukwelashwa sekuphelile, ukuhlola kwe-PET kunganquma ukuthi indawo yokukhathazeka inezinhlamvu zomdlavuza ezisebenzayo noma izicubu ezibomvu nje.
Ama-PET Scans enza kanjani?
Ngokuvamile kunesikhathi samahora ambalwa lapho iziguli zingenakudla lutho ngaphambi kwesikhathi sokuskena. Okucacile kwenqubo kuxhomeke kuhlobo lwe-PET scan esenziwa. Uma i-radiotracer inikezwa nge-intravenously, inani elincane lezinto ezisakazwa ngama-radioactive zijojowe ngaphambi kokuskena. Inqubo yonke kusukela ekuqaleni kuya ekupheleni ingathatha amahora ambalwa. Ungalalela umculo kumdlali we-CD ukukusiza uphumule. Uma ukuskena sekuphelile, ungashiya esikhathini esifushane.
Yini i-FDG-PET?
I-FDG i-flulu-deoxy glucose, uhlobo olukhethekile lwe-glucose ye-radioactive esetshenziselwa ukuhlola kwe-PET. Izicubu ze-tumor zisebenzisa i-glucose ngokushesha futhi ngendlela ehlukile izicubu ezivamile. I-FDG iqoqa ngaphakathi kwamangqamuzana omzimba. Yileyo ndlela indlela ukuhlola kwe-PET okukwazi ukutshela umehluko phakathi kwamaseli avamile nama-tumor.
Ingabe ama-PET Scans ayadingeka?
Kwezinye izinhlobo ze-lymphoma, kanye nezimo ezithile zemitholampilo, izibalo ze-PET zibhekwa ngokubaluleka njengoba kubalulekile.
Ifomu elijwayelekile lokuhlola i-imaging ku-lymphomas yi-CT scan. Ama-CT scanners anamuhla anesinqumo esihle kakhulu futhi angathatha i-lymph-nodes encane kunazo zonke. Izilinganiso ze-PET zisetshenziswe ngokuyinhloko njengesilingo esengeziwe ngenxa yezinye izinzuzo zale ndlela yokucabanga. Akuzona zonke iziguli ezidinga ukuhlolwa kwe-PET, kodwa zingasiza kakhulu kwezinye izimo, njengokuthi uma ucwaningo lwe-CT lungashiyi imibuzo engaphenduliwe.
I-PET Scan Frequency Ngesikhathi Silandela
Ayikho imithetho ephelele yemvamisa ye-PET yokuhlola, nakuba ochwepheshe bezama ukuvumelanisa ngezimo ezimbalwa zemitholampilo ethile. Ukuhlola kwe-PET akudingeki kwenziwe ngokuphindaphindiwe njengesivivinyo sokulandelela.
Iningi lezibhedlela zisebenzisa i-CT scan for routine-follow-up, futhi isebenzise izilinganiso ze-PET uma zidinga usizo olwengeziwe. Kufanele ukhulume nodokotela wakho mayelana nenqubomgomo yakho yesibhedlela.
Imiphumela emibi ye-PET Scans
Inani le-radioactivity engxenyeni liphansi, kodwa ukuhlolwa kwe-PET kuvame ukuhlanganiswa ne-CT scans ehambisa isilinganiso esiphezulu semisebe. Nakuba kunezingozi ezivela ku-PET ukuhlola futhi kusukela ekuchaseni emisebeni, izingozi nezinzuzo kufanele zilinganiswe ngokucophelela kuzo zonke izimo. Uma unesisindo se-PET / CT, kungenzeka ukuthi izinzuzo zesifundo esinjalo zidlula kakhulu izingozi zokulinganisa udokotela odokotela, kodwa kufanele uhlale ucacile ezingozini nezinzuzo njengoba zisebenza kuwe, futhi buza noma yikuphi umbuzo ongase ube nawo.