Binciken Abubuwan Da Suka Amince, Alamatattun Kai, da Kuskuren
Kwayar kwakwalwa da tsarin jin tsoro za a iya ganin su tare da hotunan kwamfuta (CT) da kuma hotunan haɓakaccen haske (MRI) . Lokacin da aka fuskanci rashin lafiyar jiki, likitan mai ilimin likita zai iya yin ganewar asali ba tare da bukatar ƙarin gwaje-gwajen ba. A wasu lokuta, zai iya taimakawa (ko ma gaggawa) don yin cajin baturi na gwaje-gwajen neuroimaging don ganowa ko kimanta rashin lafiya wanda ba'a iya ganewa ba.
Koyi yadda kuma me yasa wadannan gwaje-gwaje suke yi.
Nuna CT Scans da MRIs
Kalmar neuroimaging ta bayyana hanyoyi na kallon kwakwalwa da sauran sassan tsarin jin dadi don tabbatarwa ko yin watsi da zatocin masanin neurologist. MRIs da CT scans su ne abubuwa biyu irin wannan neurologist zai juya akai-akai.
Metaphorically speaking, MRI yana kama da tsada, kwarewa-kama kamara yayin da CT scan shi ne mafi kamar kyamarar kuɗi mai sauƙin kuɗi. Wannan kwatanta ya fi dacewa da aka ba da cewa kudin da MRI ya wuce ya wuce na CT scan.
Wannan ba dole ba ne cewa mutum yana da kyau fiye da sauran. Wasu mutane suna ɗauka cewa, saboda hotunan hoto na MRI ya fi girma, ya kamata ya zama babban zaɓi na farko. Amma wannan yana nuna rashin fahimtar juna game da fasahar, dukansu game da damar da rashin gazawarsu.
Yayinda yake magana, MRI da CT scan sun bambanta a hanyoyi guda uku:
- Lokacin da lokaci ya kasance. MRI zai iya ɗaukar kimanin minti 45 kafin ya kammala yayin da CT scan zai ɗauki minti biyar zuwa minti kawai. A lokacin da yake buƙatar samun MRI (don, a ce, mai cututtuka mai tsanani) mutum zai iya mutu ko ya ji rauni sosai. Wani MRI yana buƙatar mutum ya kasance sosai har yanzu na dogon lokaci, wanda zai iya zama da wahala a gaggawa. A CT scan shi ne sau da yawa mafi kyau zabi ga irin wannan gaggawa.
- Abubuwa iri iri da suka gano. A wasu lokuta, CT scan zai iya gano mahaukaci da sauƙi fiye da MRI, ciki har da ƙananan jini da ƙashi na kashi. Ya bambanta, MRI yana mafi kyau a gano ƙananan raunuka ko ƙananan rauka kamar ƙwayoyin sclerosis , ƙananan neuromas , ko astrocytomas low-grade .
- Tsanani tare da hoton hoto. MRI suna ƙirƙirar hotunan ta yin amfani da magunguna masu tasiri mai karfi. Wasu samfurori na karfe da na'urori masu jituwa ba zasu iya tsangwama tare da wadannan raƙuman ruwa ba, suna haifar da murguwa na hotuna. Hakazalika, razanin radiation da CT scan yayi amfani da shi zai iya warwatsar da kasusuwa (ce, a kusa da kwakwalwar kwakwalwa), yana kaiwa ga hoto mai wuya ko ma yiwu ba fassara.
Risks
Babban mawuyacin hadarin a cikin wadannan hanyoyi sun fito ne daga asalin hoto kuma daga masu haɓaka. Ga yadda irin wannan hadarin ya bambanta da nau'i-nau'i biyu.
Hoto
CT yayi amfani sosai da hasken X don ƙirƙirar hoto. Kamar yadda irin wannan, yawan radiation da ake ciki zai iya zama game da, tare da wasu nazarin da ya nuna 1 a 300 damar samun ciwon daji sakamakon sakamakon. Wannan shi ne mafi damuwa ga matasa tun lokacin da ciwon ciwon daji ke shafar shekaru masu yawa. Saboda wannan dalili, likitoci sun fi kulawa da yin CT duba akan yaro fiye da tsofaffi.
MRI, ta bambanta, yana amfani da magnetin maɗaukaki don tayar da hanyoyi a jikin mutum. Wadannan samfurori ne suka gano su. Babban haɗari na MRI shi ne cewa duk wani ƙarfin ƙarfe na ƙarfe na ƙarfe zai iya zama magnetic a ƙarƙashin rinjayar MRI kuma yayi kokarin daidaita daidaitattun igiya Wannan zai iya haifar da wani wuri da aka yi gudun hijira ko overheat.
Ma'aikata masu bambanta
A wasu lokuta, masu amfani da neurologists zasu yi amfani da launi daban don bambanta abin da ke faruwa cikin kwakwalwa. Abubuwan da ke nuna bambanci zai iya zama da amfani wajen nuna alamun rashin ciwo na jini irin su kwakwalwar ƙwayar cuta ko raunuka da ke da alaka mai tsanani, MS stroke , ko ciwon daji.
A duka CT da kuma MRI, wakili na bambanci na iya haifar da matsaloli mai tsanani:
- CT ya yi amfani da wakili mai bambanci wanda zai iya dauke da iodine. A wasu lokutta da yawa, ƙwayar iodine zai iya haifar da mummunar haɗarin rashin lafiyan halayen.
- MRI scanners amfani da wani bambanci bambanci da ake kira gadolinium. A cikin mutanen da ke fama da cutar koda, yaduwa ga gadolinium na iya haifar da yanayin da ke da wuya amma mai lalacewa mai suna nebrogenic tsarin fibrosis (NSF).
Kalma Daga
Akwai abubuwa da yawa da suke buƙatar yin la'akari kafin suyi jarabawar neuroimaging. Kamar yadda mai haƙuri, yana da muhimmanci a sanar da likita game da duk wani rashin lafiyar jiki, implant, da kuma batun lafiyar (ciki har da maganin ciwon daji) da ke da shi ko kuma da ka yi. Har ila yau, ya kamata ka damu da damuwa game da hanyar da kanta, musamman idan kana da claustrophobia ko kuma sun yi mummunan kwarewa a baya. Za'a iya samun dama a madadin. Idan an zaɓi kayan aiki na fasaha da hikima kuma tare da cikakken shigarwar mai haƙuri, zai iya taimakawa sosai ga sauƙi da daidaito na ganewar asali. Yi magana da likita ko samun ra'ayi na biyu, idan an buƙata.
> Source:
> Foray N, Bourguignon M, Hamada N. Neman amsawa ga radiation radiation. Binciken Nunawa-Mutuwa a Binciken Nuna . 2016; 770 (Sashe na B): 369-386.
> Hill B, Johnson S, Owens E, Gerber J, Senagore A. CT Scan don ake zargi da laifi Tsarin Tsakanin Tsakanin: Abubuwa na Haɗuwa da IV, Maganganu, da Tsarin Gida. Jaridar Duniya na Tafiyar . 2010; 34 (4): 699
> Hinzpeter R, Sprengel K, Wanner G, Mildenberger P, Alkadhi H. Maimaita CT yayi la'akari da zazzaɓin cututtuka: Wani bincike na alamomi, yaduwar yanayin radiation, da farashin. Jaridar Turai na Radiology . 2017: 135-140.
> Pearce M, Salotti J, de González A, et al. Shafuka: Saukewa daga raguwa daga CT a lokacin yarinyar da kuma mummunan cutar cutar sankarar bargo da kwakwalwa. Lancet . 2012; 380: 499-505.