Mhlawumbe lapho udokotela wakho ekubhalela i-CT scan, wazizwa wesaba futhi unelukuluku. Cishe wawunemibuzo eminingi engqondweni yakho, njengokuthi, 'Kuyini lokhu kuskena kwe-CT?', 'Ingabe lokhu kuyinto enkulu?', 'Ingabe kuzobuhlungu?' Ungakhathazeki, kuyinto evamile kakhulu. Namuhla, sizoxoxa ngalokhu kuskena kwe-CT ngendlela elula kakhulu, ngendlela ongayiqonda.
Kuyini i-CT scan?
Kalula nje, i-CT scan iwukuhlolwa okukhethekile kwe-X-ray okungaveza izithombe ezicacile zezitho zomzimba, amathambo, nezinye izicubu emzimbeni wakho. Kungaveza izithombe ezinemininingwane eminingi kunefilimu ye-X-ray evamile.
Cabanga ngesinkwa. Uma sisika isinkwa sibe yizicucu, singabona ngokucacile ukuthi yini engaphakathi kwesicucu ngasinye, akunjalo? I-CT scan yenza into efanayo. Kuthatha izithombe eziningi ezinqamula ingxenye yomzimba wakho. Bese ikhompyutha ihlanganisa zonke lezo zithombe ukuze idale isithombe esinezinhlangothi ezintathu (3D) salokho okungaphakathi emzimbeni wakho. Odokotela babiza lokhu ngokuthi i-Computed Tomography . Le ndlela ivumela udokotela ukuthi abheke umzimba wonke ukuze abone ukuthi yini engaphakathi, njengesimila, ukuphuka, noma enye inkinga.
I-CT, i-MRI, i-PET... Lezi zinhlobo zokuskena zihluke kanjani komunye nomunye?
Kungenzeka ukuthi uke wezwa ngezinye izinhlobo zokuskena, njenge-MRI kanye ne-PET. Lezi zihlukile komunye nomunye. Udokotela wakho uzokhetha uhlobo lokuskena olufanele kakhulu ngokusekelwe esimweni sakho. Ake sibheke umehluko omkhulu phakathi kwalokhu.
| Uhlobo lokuskena | Indlela esebenza ngayo | Ivame ukusetshenziselwani? |
|---|---|---|
| I-CT Scan (i-Computed Tomography) | Izithombe zomzimba ezithathwe ngezigaba ezahlukene zithathwa kusetshenziswa i-X-ray kanye nekhompyutha. | Isetshenziselwa ukuthola ukwaphuka, izimila, ukopha kwangaphakathi, amahlule egazi, ukulimala kobuchopho nomgogodla, njll. Ivame ukusetshenziswa futhi ukuhlola ukulimala ngemva kwengozi. |
| Ukuskena kwe-MRI (Umfanekiso Wokuqabulana Kwamagnetic) | Izithombe zithathwa kusetshenziswa amandla kazibuthe anamandla kanye namagagasi omsakazo. Ama-X-ray awasetshenziswa. | Iwusizo kakhulu ekuhloleni izifo zezitho zomzimba ezifana namalunga, izicubu ezithambile (imisipha, imisipha), ubuchopho, inhliziyo, nesibindi. I-MRI isetshenziselwa futhi ukubheka ezinye izinhlobo zomdlavuza ezingabonakali kahle ku-CT scan. |
| Ukuskena kwe-PET (i-Positron Emission Tomography) | Kufakwa ikhemikhali enemisebe (i-radiotracer) engenangozi emzimbeni bese kulinganiswa umsebenzi we-metabolic wamaseli. | Amangqamuzana omdlavuza, izifo zenhliziyo, kanye nezifo zobuchopho kungatholakala ezigabeni zokuqala kakhulu. Kungabona ngisho nezinguquko endleleni izitho zomzimba ezisebenza ngayo. |
Kwenziwa kanjani ukuhlolwa kwe-CT?
I-CT scan ivame ukwenziwa esibhedlela noma emtholampilo we-radiology.
1. Ukulungiselela: Udokotela wakho uzokutshela ukuthi ugweme ukudla noma ukuphuza amahora ambalwa ngaphambi kokuskena. Ungase ucelwe ukuthi ugqoke ingubo ekhethekile enikezwe yisibhedlela futhi ususe zonke izinto zokuhloba zensimbi, njengezindandatho nemigexo.
2. Ngesikhathi sokuskena: Uchwepheshe we-radiology wenza lolu vivinyo. Uzolala etafuleni elihamba emshinini omkhulu, ofana nedonathi. Njengoba itafula lihamba emshinini, umshini we-X-ray ujikeleza umzimba wakho, uthatha izithombe. Kuvamile ukuzwa umsindo othi "whoosh... whoosh..." phakathi nalesi sikhathi.
3. Hlala unganyakazi: Into ebaluleke kakhulu ukuhlala unganyakazi ngesikhathi sokuskena. Uma unyakazisa, izithombe zingase zingacaci. Yingakho ungase ucelwe ukubamba umoya wakho isikhashana.
Nakuba yonke inqubo ithatha cishe imizuzu engama-30, ukuskena kwangempela kuthatha isikhathi esincane kakhulu. Isikhathi esiningi sichithwa ulungiselela.
Kuyini i-CT scan ene-'contrast'?
Kwezinye izimo, udokotela wakho angase akucele ukuthi wenze i-CT scan usebenzisa uketshezi olukhethekile olubizwa ngokuthi ``Contrast''.
Ama-CT scan abonisa izingxenye eziqinile zemizimba yethu, njengamathambo, ngokucacile. Kodwa izicubu ezithambile njengesibindi, izinso, nemithambo yegazi kungenzeka zingacaci kangako. Lolu ketshezi lwe-"Contrast" lufana nombala wezingxenye zesithombe esimnyama nesimhlophe ukuze lubonakale luvelele. Uma lolu ketshezi lungena emzimbeni, luvimba imisebe ye-X-ray futhi lubonakale lumhlophe esithombeni sokuskena. Ngemuva kwalokho, lezo zitho zingabonakala ngokucacile.
Kunezindlela eziningana zokufaka lolu ketshezi oluthi "(Contrast)" emzimbeni:
- Umjovo: Umjovo emthanjeni. Le ndlela isetshenziselwa ukuhlola izinto ezifana nemithambo yegazi, uhlelo lomchamo, kanye nesibindi.
- Ngomlomo: Inikezwa njengoketshezi lokuphuza. Lokhu kusiza ekwelapheni uhlelo lokugaya ukudla, njengesisu namathumbu.
- Njenge-enema: Uma amathumbu amakhulu eskeniwa, afakwa emzimbeni nge-anus.
Ngemva kokuskena, udokotela wakho uzokweluleka ukuthi uphuze amanzi amaningi ukuze akusize ukhiphe uketshezi oluhlukanisayo emzimbeni wakho.
Ingabe kukhona izingozi noma imiphumela emibi kulokhu?
Njenganoma yikuphi ukuhlolwa kwezokwelapha, i-CT scan ingaba nezingozi ezincane kakhulu. Kodwa-ke, udokotela uzoyala lokhu kuhlolwa ngoba izinzuzo zokuhlolwa zidlula kakhulu izingozi.
- Ukukhishwa kwemisebe: I-CT scan isebenzisa uhlobo lwemisebe olubizwa ngokuthi "imisebe ye-ionizing." Ucwaningo lubonisa ukuthi ukuchayeka emithamo ephezulu yale misebe isikhathi eside kungandisa ingozi yomdlavuza. Kodwa-ke, inani lemisebe elitholwa nge-CT scan eyodwa lincane kakhulu. Ngakho-ke, ingozi yokuba nomdlavuza iphansi kakhulu (cishe eyodwa kwezingu-2,000, ngokusho kwezifundo). Udokotela wakho uyazi ngale ngozi, ngakho uzo-oda i-CT scan kuphela uma kudingeka ngempela.
- Abesifazane abakhulelwe nezingane: Uma ukhulelwe, qiniseka ukuthi utshela udokotela wakho. Uma udinga ukuhlola indawo yesisu, ungase ukwazi ukukhetha enye indlela, njengokuskena nge-ultrasound, okungasebenzisi imisebe. Lapho kuskenwa izingane ezincane, umthamo wemisebe uyancishiswa ukuze uvumelane nazo.
- Ukungezwani Nomzimba Okungaqhathanisi: Abanye abantu bangase babe nokusabela kokungezwani nomzimba kudayi wokungafani. Esikhathini esiningi, lezi yizinto ezincane njengokulunywa noma ukubomvu. Akuvamile kakhulu, ukusabela okukhulu kokungezwani komzimba kungenzeka. Ngenxa yalesi sizathu, abasebenzi bazokuqapha isikhashana ngemva kokunikezwa udayi wokungafani. Uma une-allergy ekudleni kwasolwandle, i-iodine, noma eminye imithi, tshela udokotela wakho kusenesikhathi.
- Ezinye izimo zezokwelapha: Kubaluleke kakhulu ukwazisa udokotela wakho uma unesifo sezinso noma uthatha umuthi i-metformin wesifo sikashukela.
Kubiza malini ukuhlolwa kwe-CT?
Izindleko ze-CT scan ziyahlukahluka kuye ngezindawo.
- Izibhedlela zomphakathi: Lokhu kuhlolwa ngokuvamile kungenziwa mahhala noma ngentengo ephansi kakhulu esibhedlela sikahulumeni, kodwa ngezinye izikhathi kungadingeka ulinde ohlwini lokulinda.
- Izibhedlela Ezizimele: Izindleko esibhedlela esizimele zingasukela ezinkulungwaneni kuya emakhulwini ezinkulungwane zama-rupee. Leli nani lincike esibhedlela lapho kwenziwa khona ukuskena, ingxenye yomzimba eskenwayo, nokuthi ngabe kusetshenziswa uketshezi oluphambene noma cha.
Kungcono ukubuza esibhedlela ngezindleko ngaphambi kokuhlolwa. Ungakhuluma nodokotela wakho ngalokhu.
Umlayezo Wokuya Nawe Ekhaya
- I-CT scan iyisivivinyo se-X-ray esikhethekile esingaveza izithombe ezicacile, ezinezinhlangothi ezintathu (3D) zalokho okungaphakathi emzimbeni.
- Lokhu akulona ukuhlolwa okubuhlungu, futhi kungenziwa ngokushesha.
- Lokhu kusiza ekuxilongeni nasekuhleleni ukwelashwa kwezimo eziningi zezokwelapha, njengokuphuka kwamathambo, ukulimala kwangaphakathi, ukuqhekeka kwegazi, kanye nomdlavuza.
- Inani lemisebe esetshenziswayo liphansi kakhulu, ngakho-ke ingozi incane kakhulu. Udokotela uhlala ecabangela izinzuzo nezingozi.
- Qiniseka ukuthi utshela udokotela wakho uma ukhulelwe, unesifo sokungezwani komzimba, noma unezinye izimo zezokwelapha ezifana nesifo sezinso noma isifo sikashukela.
- Khuluma nodokotela wakho ngokukhululekile nganoma yimiphi imibuzo noma ukukhathazeka onakho mayelana nalolu vivinyo.
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