I-PET imele i-positron yokushiya i-tomography , kwaye ithathwa njengoluhlobo lwe "nuclear nuclear". Ukuhlolwa kwemifanekiso yenyukliya konke kufana nokusetyenziswa kwezinto ezincinci zomsakazo ukwenzela ukuba umfanekiso womzimba okanye umbandela womsebenzi wakhe, njengokujikeleza kwegazi, imetabolism, ukusebenzisa i-oxygen okanye i-glucose.
I-X-ray, i-CT kunye ne-MR scans zisetyenziselwa ukufanekisa umzimba wakho ukubonakalisa izakhiwo ezahlukileyo kwiimpawu zabo zomzimba, kubandakanywa ukufumanisa izicubu ngokusekelwe kubukhulu babo, ukuma kunye nendawo.
I-PET ihlola ihluke ngokuxhomekeke kwindlela esetyenzisiweyo, kodwa umntu oqhelekileyo usebenzisa iswekile e-radioactive ukufumanisa i-cancer ngokusekelwe kweso ishukela ngamaseli omhlaza.
Yintoni i-PET Scans Offer?
Iimvavanyo ze-CT kunye nemibuzo ye-MR ziyakwazi ukufumana imifanekiso emihle yeempawu zomzimba, kwaye zichonge iziqhamo eziphakanyisiweyo okanye izidumbu ze-tumor . Nangona kunjalo, ngamanye amaxesha kunzima ukuxelela ukuba inkunzi okanye ubunzima emzimbeni ngokwenene inesifo se-tumor kuyo kuphela ngokulinganisa ubukhulu bayo kunye nomlo. Amagqabantswana amancinci okanye amaqhekeza angaba neeseli zomhlaza, ngelixa ezinkulu zinokuba yinto engenakulimala. I-PET i-scans inganceda ukufumanisa iiseli zomhlaza ezifumaneka kwizakhiwo eziqhelekileyo. Banokukunceda ukufumanisa umdlavuza kwiindawo ezingakhange zicatshangelwe ukuba zibandakanyeke ukusasazeka kwesi sifo. Konke oku kukwazi ukufumana amandla kunomgangatho ophantsi-oko kukuthi, iziphumo zokufumana iziphumo ezimbi. Nangona kunjalo, ukuqonda malunga neendlela zokufumana kunye nokunciphisa i-PET kunceda ukukhokela oogqirha abachazela ezi zifundo.
Ukusebenzisa i-PET Scans yeLymphoma
Ukuhlolwa kwe-PET kusetyenziswe ezininzi kwi-lymphoma:
- Zingasetyenziselwa isiteji, okanye ukubeka imephu kwisifo emzimbeni wakho, kunye nezinye iimvavanyo ezifana ne-CT scans.
- Ingxelo yokuhlola ye-PET inganceda unqume uhlobo lonyango olungcono kakhulu kuwe, njenge-chemotherapy okanye i-radiation.
- Ingabonisa ukuba i-scope kwi-CT isifo somhlaza okanye ayikho.
- Inokukunceda ekuhloleni indlela ophendule kakuhle ngayo unyango , xa lwenziwa emva kwemijikelezo embalwa ye-chemotherapy.
- Emva kokuba unyango luphelile, uvavanyo lwe-PET lunokumisela ukuba indawo yenkxalabo inomdlavuza wentsholongwane okanye i-scar tissue.
I-PET Scans yenza njani?
Ngokuqhelekileyo kukho ixesha leeyure eziliqela apho izigulana zingenakudla nantoni phambi kwexesha lokuskena. Iinkcukacha ezithile zenkqubo zixhomekeke kuhlobo lwe-PET yokukhangela eyenziwa. Ukuba i-radiotracer inikezwa nge-intravenously, ixabiso elincinci le-radioactive lijojowe ngaphambi kokuba kuqalwe ukuskena. Inkqubo yonke ukususela ekuqaleni ukuya ekupheleni ingathatha iiyure ezimbalwa. Unokuphulaphula umculo kumdlali weCD ukukunceda ukhululeke. Xa ukuskena kuphelile, ungashiya ngexesha elifutshane.
Yintoni i-FDG-PET?
I-FDG i-Fluoro-deoxy glucose, uhlobo olukhethekileyo lwe-glucose e-radioactive esetyenziswa kwi-PET. Izicubu ezinamafutha zisebenzisa i-glucose ngokukhawuleza kwaye ngendlela eyahlukileyo. I-FDG iqokelela ngaphakathi kweeseli zesisu. Yileyo ndlela indlela yokuphenya kwe-PET iyakwazi ukuchazela umahluko phakathi kweeseli eziqhelekileyo kunye neentlungu.
Ngaba iiPET Scans ziyimfuneko?
Kwezinye iindidi ze-lymphoma, kunye neemeko ezithile zekliniki, i-PET i-scans ikhangeleka ngakumbi nangakumbi njengoko ibalulekile.
Ifom yefom ye-imagy test in lymphomas yi-CT scan. Iimvavanyo ze-CT zanamhlanje zinezigqibo ezintle kwaye ziyakwazi ukuthatha i-lymph-nodes encinci. Uvavanyo lwe-PET lusetyenziswa ngokubanzi njengolu vavanyo olongezelelweyo ngenxa yezinye zeenzuzo zendlela yokucinga. Akuzona zonke izigulana kufuneka zifumane i-PET, kodwa zinokubaluleka kwezinye iimeko, njengokuba i-CT ihamba ihamba ingaphenduli imibuzo.
I-PET Scan Frequency ngexesha lokulandelwa
Akukho mithetho epheleleyo yobunzima be-PET, kodwa nangona iingcali zizama ukuza kubambisana ngezimbalwa ezithile zeklinikhi. I-PET ibonisa ukuba akufuneki kwenziwe ngokuphindaphindiweyo njengolu vavanyo olulandelayo.
Uninzi lwezibhedlele zisebenzisa i-CT yokuhlola ngokulandelelanayo, kwaye usebenzise i-PET xa ufuna uncedo olungakumbi. Umele uthethe ugqirha wakho malunga nomgaqo wesibhedlele sakho.
Imiphumo ecaleni ye-PET Scans
Inani le-radioactivity kwi-injection liphantsi, kodwa i-PET i-scans ihlala idibene ne-CT scans ehambisa i-dose ephezulu yemitha. Nangona kukho iingozi ezivela kwi-PET yokuhlola kunye nokusukela kwimizila emisebe, imingcipheko kunye neenzuzo kufuneka zilinganiswe ngokucophelela kuzo zonke iziganeko. Ukuba unesisombululo se-PET / CT, mhlawumbi ukuba iinzuzo zeso sifundo zikhulu kakhulu kunobungozi bokuqikelelwa kogqirha, kodwa kufuneka uhlale ucacile kwiingozi kunye nezibonelelo njengoko zifaka isicelo kuwe, kwaye kubuza nayiphi na umbuzo onokuyenza.