Iskena se-Orbit CT

Iskena se-computed tomography (CT) se-orbit siyindlela yokuthwebula. Isebenzisa ama-x-ray ukwakha izithombe ezinemininingwane yamasokhethi wamehlo (ama-orbits), amehlo namathambo azungezile.

Uzocelwa ukuba ulale etafuleni elincane elingena phakathi kwesithwebuli se-CT. Ikhanda lakho kuphela elibekwe ngaphakathi kwesithwebuli se-CT.

Ungavunyelwa ukubeka ikhanda lakho emqamelweni.

Uma usungaphakathi kwesithwebuli, ugongolo lomshini lwe-x-ray luzungeza eduze kwakho kodwa ngeke uyibone i-x-ray.

Ikhompyutha idala izithombe ezihlukene zendawo yomzimba, ezibizwa ngokuthi izingcezu. Lezi zithombe zingagcinwa, zibukwe kumonitha, noma ziphrintwe kwifilimu. Ikhompiyutha ingakha amamodeli wezinhlangothi ezintathu zendawo yomzimba ngokufaka izingcezu ndawonye.

Kufanele ulale unganyakazi ngesikhathi sokuhlolwa, ngoba ukunyakaza kubangela izithombe ezifiphalisiwe. Ungacelwa ukuthi ubambe umoya wakho isikhathi esifushane.

Iskena sangempela sithatha cishe imizuzwana engama-30. Yonke le nqubo ithatha cishe imizuzu eyi-15.

Ngaphambi kokuhlolwa:

• Uzocelwa ukuthi ususe ubucwebe futhi ugqoke ingubo yasesibhedlela ngesikhathi kufundwa.
• Uma unesisindo esingaphezu kwamakhilogremu angama-135 (135 kilograms), thola ukuthi umshini we-CT unomkhawulo wesisindo. Isisindo esiningi kakhulu singadala umonakalo ezingxenyeni zokusebenza zesithwebuli.

Izivivinyo ezithile zidinga udayi okhethekile, obizwa ngokuqhathanisa, ukulethwa emzimbeni ngaphambi kokuqala kokuhlolwa. Umehluko usiza izindawo ezithile ukuthi zibonakale kangcono kuma-x-ray. Umehluko unganikezwa ngomthambo (ngomjovo- IV) osesandleni sakho noma engalweni.

Ngaphambi kokuskena usebenzisa umehluko, kubalulekile ukwazi okulandelayo:

• Ungacelwa ukuthi ungadli noma uphuze noma yini amahora amane kuya kwayisithupha ngaphambi kokuhlolwa.
• Yazisa umhlinzeki wakho wezokunakekelwa kwempilo uma ngabe uke waba nokusabela kokungafani. Ungadinga ukuthatha imithi ngaphambi kokuhlolwa ukuze uthole le nto ngokuphepha.
• Tshela umhlinzeki wakho uma uthatha umuthi wesifo sikashukela i-metformin (Glucophage). Ungadinga ukuthatha ezinye izinyathelo zokuqapha.
• Yazisa umhlinzeki wakho uma ungasebenzi kahle kwezinso. Lokhu kungenxa yokuthi umehluko ungonakalisa umsebenzi wezinso.

Abanye abantu bangase bangakhululeki ngokulala etafuleni eliqinile.

Umehluko onikezwe nge-IV ungadala umuzwa ovuthayo omncane. Ungase futhi ube nokunambitheka kwensimbi emlonyeni nokufutha komzimba okufudumele. Le mizwa ijwayelekile futhi imvamisa iyahamba ngemizuzwana embalwa.

Lokhu kuhlolwa kuyasiza ekuhloleni izifo ezithinta izindawo ezilandelayo eziseduze kwamehlo:

• Imithambo yegazi
• Imisipha yamehlo
• Imithambo ehambisa amehlo (izinzwa ze-optic)
• Izono

Ukuskena kwe-orbit CT nakho kungasetshenziselwa ukuthola:

• Ithumba (ukutheleleka) kwendawo yamehlo
• Ithambo lesokhethi lesiso eliphukile
• Into yangaphandle esokeni leso

Imiphumela engajwayelekile ingasho ukuthi:

• Ukopha
• Ithambo lesokhethi lesiso eliphukile
• Isifo samathuna
• Ukutheleleka
• Isimila

Izikena ze-CT namanye ama-x-ray aqashwe ngeso lokhozi futhi alawulwa ukuqinisekisa ukuthi zisebenzisa inani elincane lemisebe. Ubungozi obuhambisana nanoma ikuphi ukuskena ngazinye buphansi kakhulu. Ingozi iyakhula njengoba kwenziwa izifundo eziningi.

Ukuhlolwa kwe-CT kwenziwa lapho izinzuzo zidlula kakhulu izingozi. Isibonelo, kungaba yingozi kakhulu ukungabi nokuhlolwa, ikakhulukazi uma umhlinzeki wakho ecabanga ukuthi ungaba nomdlavuza.

Uhlobo oluvame kakhulu lokungafani olunikezwe emthanjeni luqukethe iodine.

• Uma umuntu one-iodine yokungezwani komzimba anikezwa lolu hlobo lokuqhathanisa, isicanucanu, ukuthimula, ukuhlanza, ukulunywa, noma isifuba kungenzeka.
• Uma une-allergies eyaziwayo yokuqhathanisa kodwa uyidinga ukuhlolwa okuphumelelayo, ungathola ama-antihistamine (njengeBenadryl) noma ama-steroids ngaphambi kokuhlolwa.

Izinso zisiza ukuhlunga i-iodine emzimbeni. Uma unesifo sezinso noma isifo sikashukela, kufanele ubhekwe ngeso elibukhali ngezinkinga zezinso ngemuva kokunikwa umehluko. Uma unesifo sikashukela noma unesifo sezinso, khuluma nomhlinzeki wakho ngaphambi kokuhlolwa ukuze wazi izingozi zakho.

Ngaphambi kokuthola umehluko, tshela umhlinzeki wakho uma uthatha umuthi wesifo sikashukela i-metformin (Glucophage) ngoba ungadinga ukuthatha izinyathelo ezithile zokuqapha. Ungadinga ukumisa umuthi amahora angama-48 ngemuva kokuhlolwa.

Ezimweni ezingavamile, idayi ingadala impendulo esongela impilo yokungezwani komzimba ebizwa nge-anaphylaxis. Uma unenkinga yokuphefumula ngesikhathi sokuhlolwa, tshela i-opharetha yesithwebuli ngokushesha. Ama-scanner eza ne-intercom nezipikha, ngakho-ke opharetha angakuzwa ngaso sonke isikhathi.

I-CT scan - i-orbital; Ukuskena kwe-Eye CT; Iskena se-computed tomography - i-orbit

• Iskena se-CT

I-Bowling B. Orbit. Ku: Bowling B, ed. IKanski’s Clinical Ophthalmology. Umhlaka 8. IPhiladelphia, PA: Elsevier; 2016: isahluko 3.

IChernecky CC, iBerger BJ. I-Cerebral computed tomography-diagnostic. Ku: IChernecky CC, iBerger BJ, ama-eds. Ukuhlolwa Kwelabhoratri Nezinqubo Zokuxilonga. Umhlaka 6. IPhiladelphia, PA: Elsevier Saunders; 2013: 310-312.

UGuluma K, uLee JE. I-Ophthalmology. Ku: Walls RM, Hockberger RS, Gausche-Hill M, ama-eds. Imithi Ephuthumayo yaseRosen: Imiqondo kanye Nokuzijwayeza Komtholampilo. Umhlaka 9. IPhiladelphia, PA: Elsevier; 2018: isahluko 61.

UPoon CS, u-Abrahams M, u-Abrahams JJ. I-Orbit. Ku: Haaga JR, Boll DT, ama-eds. I-CT ne-MRI yawo wonke umzimba. Umhlaka 6. IPhiladelphia, PA: Elsevier; I-2017: isahluko 20.