PET / CT - worudzii tsvakurudzo?

Nechekare vazhinji munoziva, kutaura PET / CT, ndiro itsva, nzira zvikuru yakarurama nokuda mangwanani zvokuongorora kenza, chetsinga zvirwere uye zvemwoyo pathologies. Iye, mukusiyana kuna CT kana MRI haaratidzi mufananidzo anatomical zvechadenga murwere, uye inobudisa muitiro nokushanda kwenhengo imwe nhengo uye munyama. chaizvo sei inoitwa PET Scans uye sei unofanira kugadzirira nayo, tichaita kufukidza munyaya ino.

Ndezvipi zvirwere vari panoonekwa kushandisa PET / CT?

Positron achine tomography iri kudzidza kunzwisisa apo zvichida diagnosing mapundu zvisingakwanisi kubereka zvekuchipatara kuratidzwa uye kenza metastasis mu kwokutanga danho. Uyezve, zvinoita here kudzora chirwere, migumisiro uye kubudirira mishonga.

In cardiology, PET / CT Diagnostics inoshandiswa panyaya chemwoyo coronary uye asati coronary tsinga yokunzvenga kusonanidzwa. In neurology nacho vari chirwere multiple sclerosis, uye wepfungwa - chirwere cheAlzheimer vachiri danho, apo kwokunze zvinoratidza chirwere yatanga hakusati Zvakacherechedzwa. Panzira, kuti kuongorora kunobatsira kusiyanisa chirwere cheAlzheimer zvimwe pathologies zvichizoita penga nokuda kokuchembera dementia (Parkinson nehosha kana Huntington).

Achibatsirwa PET kuongororwa pfungwa kushanda pashure sitiroko uye pfari vari chirwere chepfari.

PET / CT: Reviews pakati zvakanakira nzira iyi nechirwere

Zvimwe ano nzira Diagnostics ane mikana yakawanda PET. Chokutanga, nzira iyi - kupfuura yakarurama zvose munazvo, uye zvakare, unogona kutsiva akawanda zvetsika kuongorora. Uyewo, PET chinokonzera hapana marwadzo, haana hunokuvadza nemishonga iri muviri womunhu uye anogona kuona chirwere muitiro yekare kare yemagwaro.

Available pakati vanachiremba pamusoro PET / CT wongororo unotipa kutaura nzira iyi senzira vawane mashoko akavimbika pachikuva panguva iyo rinooneka ziso STRUCTURAL zvachinja nhengo haasati iripo. Uye ichi, sezvo imi munoziva, zvinoita kuti tikwanise kutanga kurapwa Pandakangowana nzendo chirwere, izvo yekudyidzana anowedzera kubudirira mishonga.

Nheyo PET bvunzo

Zvinokosha kucherechedza, kutaura PET / CT inobudisa kuti kuongorora unokubvumira kunyora ropa riyerere munzira mapazi uye munyama, uyewo kudyiwa rokupedzisira shuga.

In muviri nyaya chinotarisirwa duku, hazvikuvadzi vanhu, uwandu radioactive venhumbi achaendeswa neropa kuti munyama. Murombo nemwaranzi kuuya kubva, PET ndee uye chakasvitswa nekombiyuta. Rauya kubudiswa mashoko uye pakusikwa mufananidzo. Uye kupfuura radioactive fuma iri rinenge havazombonyanyi kutarira pamufananidzo - vanonzi "kupisa" nzvimbo, uye nzvimbo fuma iri diki, tarisa pakunzwa - a "inotonhora" nzvimbo.

Kukudziridza kenza simba kunyanya vanoda shuga mairi runoyerera kushingaira muviri kuti anopa kuti mifananidzo pashure PET / CT yakajeka ( "inopisa") mufananidzo. Saka, nokuti PET chirwere chinogona kuonekwa chete kutanga kwavo zvemamiriro kukura masero kenza, uye kunyange kuchinja kushurudzira kukura.

Nenyanzvi PET / CT

Zvichienderana chii rokuongorora mabasa, chiremba angada avo kana dzimwe nzira nechirwere zvinorondedzerwa ne radiopharmaceuticals zvakasiyana:

• Bhabhadzira pamwe 11C-choline;
• PET pamwe 18F-fluorodeoxyglucose;
• Bhabhadzira pamwe 11C-methionine;
• Bhabhadzira pamwe 13N-amoniya.

Somuenzaniso, nokuti chirwere ose akaipa glioma (uropi mapundu) kuitwa PET / CT pamwe methionine, hunoita kuti vaongorore mwero malignancy.

Kuti maximize zvabuda akanga akavimbika, zuva risati chidzidzo murwere inokurudzirwa kubvisa kubva zvokudya zvose puroteni-tune zvokudya: nyama, hove, mukaka uye Sou. Unogona kudya miriwo nemichero. Pakiriniki vauye kutsanya, uye akabvumira kuti kunwa mvura muna risingaperi akawanda (asi kwete fizzy kana zvinozipa).

Mune zvimwe zviitiko, nechirwere rinoitwa pamwe choline

Kufungidzira muviri womunhu kenza yeprostate uyewo namamota chiropa uye pfungwa kwaiwanzoitwa PET / CT pamwe choline.

fuma iyi rinobatanidzwa pakuvaka muchitokisi masvingo, saka okusuma ari radionuclide mariri anobvumira kuona kuvapo metastases kunyange duku dziri kuoneka mifananidzo muchimiro luminous pfungwa.

Zvidzidzo izvi rwaiitwa muna 2 maitikiro - pakarepo pashure kwokubatsira ari radiopharmaceutical uye pashure 40 min. Kushanda pakuvheneka zvinoitwa usina chawadya uye pasina kushandisa mvura (mangwanani Kwabviswa chose).

Mavhiki 1-2 pamberi kuongororwa murwere inokurudzirwa risingabatanidzwi zvokudya:

• mazai;
• pizi;
• soyabhinzi, nyemba uye nebhinzi;
• chiropa (nezvimwewo);
• sipinachi;
• kabichi;
• nzungu;
• oats;
• orenji muto uye chero mavhitaminzi (kunyanya boka B).

Sezvo kuongorora zviri kuitwa

In makamuri umo PET / CT kuongororwa, murwere akakumbirwa kudzima foni mano uye kupa kuenda yokumirira apo murwere mukati maminitsi 20 inofanira kuzorora uye kudzikama. Zvakakodzera kuvandudza mifananidzo.

Zvadaro examinee jekiseni radiopharmaceutical uye kumirira mumwe hafu yeawa, kusvikira nyaya iri richiparadzirwa munyika nyama dzomuviri. Panzira, kana panguva ino panodikanwa kuenda chimbuzi, unogona kuiteerera. Uyezve, varwere vanokurudzirwa kuenda PET scanner kuti anotarisa sezvinoita X-ray machine. rinovapo anenge 45 maminitsi Ongororo muitiro pacharo (uropi kushanda pakuvheneka Zvisinei, vanogona kutora maawa uye 1.5).

Kana zvakakodzera munguva nzira murwere anogona kutaura mumwe kubva zvokurapa mudonzvo. Kana mwoyo murwere kudzidza anogona kupa zvidzidzo muviri kuti kuratidza zvinhu kweropa uye kushanda muviri ichi.

Nokuti kurapa kwemashoko angada maawa akawanda kuti 2 mazuva. Zvose zvinoenderana mhando uye kunzwisisa kwakaita ongororo.

Sei rose muviri ongororo

PET / CT nzira muviri wose kunowanzoitwa kusvikira pasi chiuno. Mubvunzo kana panguva anofarirwa dehenya, chinoramba nharo. Vanoita kwete dzezvitoro zhinji. Kana kuongorora zvakakodzera anatomically nzvimbo dzakaoma vakaperekedza aiming kushanda pakuvheneka musiyano mumiririri (ayodhini gadziriro).

Kushanda pakuvheneka kutanga, kazhinji pamwe pelvic nharaunda, kudzivisa kuchinja chifananidzo rinowanika somugumisiro zvishoma nezvishoma zvinodiwa dundira. chinhu chimwe nechimwe chiri tarisa kanenge 4 maminitsi (anobuda Ongororo) pamwe mumwe 2 maminitsi (kutapurirwa Ongororo).

PET Ongororo muviri wose kunoita kuti kuita zvizere operative urongwa, kana zvichibvira, kubvisa zvose njodzi tishu.

Contraindications nokuti PET / CT

Zvinofanira kucherechedzwa, kureva PET / CT, riri munyaya zvimwe zviitiko mari iri contraindicated, sezvo mashoko anogona akavhiringika. Somuenzaniso, izvi zvinoitika mukutanga postoperative nguva pashure rakavhurika biopsy (mu muzviitiko izvi akatarisirwa zvishoma of 4 mavhiki pashure pokuvhiyiwa). PET chiri contraindicated pashure achangopfuura mishonga kana mwaranzi mishonga. Mukupera nyaya, zvavakabvumirana mwedzi mitatu-kumbozorora.

Anogumbura pezvakaitwa pamuviri: abscesses, zvirwere uye sarkidoz - vanogona kupa migumisiro venhema-yakanaka kushanda pakuvheneka. Mumamiriro ezvinhu akadaro, unofanira kungwarira kuti chii chinoratidza PET / CT.

Mune dzimwe nguva (akadai claustrophobia kana kana murwere arikutadza ari supine nzvimbo) kushanda pakuvheneka dzakati dzinosiyana-siyana zvichienderana murwere ezvinhu.

Ndichatiyi kuyeukei kana kugadzirira PET / CT

To PET / CT Diagnostics hauzobudisi iwe kusanzwa, uye migumisiro vaiva yepamusoro sezvo zvakanaka, unofanira kutevera mashomanana vakawanda mitemo nechimwe mhando nzira:

• Kuitisa PET / CT vanofanira kupfeka zvinodziya uye zvakanaka.
• On mbatya uye muviri haafaniri dzine simbi uye zvishongo.
• Sezvo anogona kutora 1 fő nokunwa uye unsweetened mvura carbonated.
• Vakadzi vanofanira kuiswa chiremba chinozivikanwa pamusoro yaivapo kana zvichibvira pamuviri, uyewo uchiyamwisa, nekuti kushanda pakuvheneka iri zvakajeka hakubvumidzwi mumamiriro ezvinhu aya.
• Iva nechokwadi kuti kutaura pamberi neutachiona.
• Nokuti varwere cheshuga, zvinoda chinokosha kugadzirira nokuda PET / CT.
• Mumamiriro ezvinhu umo Ongororo iri kuitwa chiuno angafanira yachengetwa kupinda Urinary dundira anobudisa mushonga zvishoma nezvishoma.
• Munguva yose kuongororwa murwere anofanira wakaiswa, unogona kuchinja nzvimbo.
• Kana vamwe kunenge havana kupiwa, ipapo pakarepo pashure kushanda pakuvheneka vakaongororwa aigona kudzokera kwomuzvarirwo upenyu, uye kuti mhanyisa kubviswa radiopharmaceuticals, zvakafanira kuti vanwe mvura rukuru sezvinobvira.

Sei kududzira migumisiro PET / CT: mhedziso iyi kureva?

Mushure kushanda pakuvheneka rinoitwa noruoko murwere vanopiwa. Pakarepo zvakakodzera zvinonyevera munhu anenge atumirwa neongororo iyi, kubva kuedza kuzvidzora kuvabata - Ibasa chete kupinda chiremba (navanachiremba, kuitisa PET, uyewo regai kupa chero kunenge).

Kushaikwa unyanzvi kunogona nokusanzwisisana nezvibereko. Vanogona sokuti akaoma kupfuura zvechokwadi, kana, Ukuwo, regai zvinoda kurapwa kupindira. PET / CT zvingatarisirwa zvichishandurwa nemazvo chete nachiremba, akakutumai ongororo iyi. Uye kana iwe tasarudza pachake, zvino, pasinei chichava mhedziso yenyu nemaonero, zvakanakisisa kuratidza profile nyanzvi kuti kuongororwa zvakarurama uye zvakakodzera kurapwa basa.