Ib rab koob endoscopic ultrasound, tseem hu ua EUS koob, yog ib yam khoom siv kho mob siv rau hauv cov txheej txheem plab hnyuv endoscopy kom tau txais cov ntaub so ntswg los ntawm cov kabmob uas nyuaj mus cuag los ntawm cov txheej txheem kev tshuaj xyuas ib txwm muaj. EUS koob yog ib rab koob me me thiab hloov tau yooj yim uas tso cai rau tus kws kho mob txhawm rau txhawm rau thiab nqus cov ntaub so ntswg los ntawm cov kab mob GI raws li kev taw qhia ultrasound.
EUS koob muaj xws li ib rab koob hub, ib rab koob nyias nrog lub tshuab nqus tsev, thiab ib qho kev sojntsuam mounted rau ntawm qhov kawg ntawm rab koob. Lub koob tau muab tso rau ntawm qhov chaw ua haujlwm ntawm lub endoscope, uas tau muab tso rau hauv lub qhov ncauj lossis qhov quav, thiab coj mus rau thaj chaw tsom siv siv ultrasound. Thaum rab koob mus txog qhov chaw xav tau, tus kws kho mob qhib lub tshuab nqus tsev kom tau txais cov ntaub so ntswg kuaj.
EUS koob yog siv los kuaj xyuas ntau yam kab mob hauv plab thiab mob, xws li mob qog noj ntshav pancreatic, mob qog noj ntshav, mob plab hnyuv, thiab lymphoma. Nws kuj tseem siv los ua tus kab mob thiab txiav txim siab txog qhov mob qog noj ntshav. EUS-guided fine-needle aspiration (EUS-FNA) yog cov txheej txheem feem ntau ua nrog EUS koob, thiab nws suav hais tias muaj kev nyab xeeb thiab cuam tshuam tsawg.
EUS koob muaj nyob rau hauv ntau qhov ntau thiab ntau hom, nyob ntawm seb cov ntaub so ntswg thiab cov txheej txheem. Cov koob sib txawv ntawm qhov ntev, ntsuas (thickness), thiab tsim. Qee cov koob EUS muaj qhov rov qab bevel tsim, uas ntseeg tau tias yuav ua rau kom cov ntaub so ntswg tawm los thiab txo qhov kev pheej hmoo ntawm rab koob clogging. Lwm cov koob EUS muaj lub tshuab nqus dej los tswj lub siab nqus thiab zam cov ntaub so ntswg puas.
Cov teeb meem cuam tshuam nrog cov txheej txheem EUS koob yog tsawg, tab sis lawv tuaj yeem tshwm sim. Cov kev pheej hmoo feem ntau suav nrog los ntshav, kab mob, kab mob pancreatitis, thiab perforation ntawm GI ib puag ncig. Txawm li cas los xij, tag nrho cov kev pheej hmoo ntawm cov teeb meem yog suav tias yog tsawg, thiab cov txiaj ntsig ntawm EUS koob txheej txheem tshaj qhov txaus ntshai.
Txhawm rau xaus, koob tshuaj endoscopic ultrasound yog ib qho tseem ceeb rau kev kuaj mob thiab kev mob plab hnyuv thiab mob. Cov txheej txheem muaj kev nyab xeeb, tsis tshua muaj kev cuam tshuam, thiab ua haujlwm tau zoo hauv kev tau txais cov ntaub so ntswg los ntawm cov kabmob uas nyuaj mus txog los ntawm cov txheej txheem kev tshuaj xyuas ib txwm muaj. EUS-guided fine-needle aspiration yog cov txheej txheem ntau tshaj plaws ua nrog EUS koob, thiab nws tau hloov kho lub teb ntawm gastroenterology los ntawm kev txhim kho qhov tseeb ntawm kev kuaj mob thiab kev kho mob.
