Ochwepheshe bathi izithombe zezokwelapha zendabuko, ezisetshenziselwa ukuxilonga, ukuqapha noma ukwelapha izifo ezithile, sekuyisikhathi eside zihluleka ukuthola izithombe ezicacile zeziguli ezinesikhumba esimnyama.
Abacwaningi bamemezele ukuthi bathole indlela yokuthuthukisa izithombe zezokwelapha, okuvumela odokotela ukuthi babheke ingaphakathi lomzimba, kungakhathaliseki ukuthi umbala wesikhumba unjani.
Izinto zakamuva ezitholakele zikhishwe kumagazini ka-Okthoba we-Photoacoustics. Iqembu labacwaningi lenze izivivinyo ezingalweni zabantu abayi-18 abazithandelayo, lihlanganisa abantu abanezinhlobo ezahlukene zesikhumba. Izinto abazitholile zembule ukuhlobana phakathi kwezinga lokungahlaliseki kahle, ukuhlanekezelwa kwesignali ye-photoacoustic okuthinta ukucaca kwezithombe, kanye nobumnyama besikhumba.
“Isikhumba empeleni sisebenza njengomthumeli womsindo, kodwa asidlulisi uhlobo olufanayo lomsindo ogxile otholakala ku-ultrasound. Esikhundleni salokho, umsindo usakazeka kuyo yonke indawo futhi ubangela ukudideka okukhulu,” kusho uBell. “Ngenxa yalokho, ukuhlakazeka komsindo ngenxa yokumuncwa kwe-melanin kuba yinkinga enkulu njengoba ukugcwala kwe-melanin kukhuphuka.”
Ukushintsha indlela yokusebenza
Ucwaningo, olwenziwe ngokubambisana nabacwaningi baseBrazil ababenolwazi lwangaphambilini ngenye yezindlela zikaBell, lwembule ukuthi isilinganiso sesignali-kuya-kumsindo, isilinganiso sesayensi sokuqhathanisa amandla esignali nomsindo wangemuva, sathuthukiswa kuwo wonke amathoni esikhumba lapho abacwaningi basebenzisa indlela eyaziwa ngokuthi “i-short-lag spatial coherence beamforming” ngesikhathi sokuthwebula izithombe zezokwelapha. Le ndlela, eyaklanywa ekuqaleni ukuze ithwebule izithombe ze-ultrasound, inamandla okushintshwa ukuze isetshenziswe ekuthwebuleni izithombe ze-photoacoustic.
Le ndlela ihlanganisa ubuchwepheshe bokukhanya kanye ne-ultrasound ukudala indlela entsha yokuthwebula izithombe zezokwelapha, njengoba kuchaziwe nguTheo Pavan, ohlotshaniswa nomnyango wefiziksi eNyuvesi yaseSão Paulo eBrazil. Ngokusho kukaPavan, ucwaningo lwabo luqinisekisile ukuthi le ndlela entsha ayithonywa kakhulu umbala wesikhumba, okuholela ekhwalithini ephezulu yesithombe uma kuqhathaniswa nezindlela ezivamile ezisetshenziswa kakhulu emkhakheni.
Abacwaningi baphawule ukuthi ucwaningo lwabo lulokuqala ukwenza ukuhlolwa okuqondile kwethoni yesikhumba nokunikeza ubufakazi obusezingeni eliphezulu nobuningi obubonisa ukuthi isignali ye-photoacoustic yesikhumba kanye nezinto ezihlanganisiwe ziyanda njengoba okuqukethwe kwe-melanin ye-epidermal kukhuphuka.
Ukucabanga kabusha kabanzi ekunakekelweni kwezempilo
Okutholakele kwabacwaningi kungaba nemiphumela ebalulekile ekukhuthazeni ukulingana ekunakekelweni kwezempilo ngezinga elibanzi. UDkt. Camara Jones, udokotela womndeni, isazi sezifo, kanye nomongameli wangaphambilini we-American Public Health Association, owayengahilelekile ocwaningweni, ugcizelele ukubandlulula kwezobuchwepheshe besayensi ngokuthanda imikhiqizo ephumelela kakhulu kubantu abanesikhumba esikhanyayo. UJones ugcizelele ukuthi ukusebenzisa uhlanga njengento ebeka engcupheni impilo kuyinkinga ebalulekile, njengoba kuyisakhiwo sezenhlalo esisekelwe ekuchazeni komphakathi ukubukeka ngokomzimba kunezici zebhayoloji. Ukhombe ukungabikho kwesisekelo sezakhi zofuzo sohlobo oluthile lobuhlanga ku-genome yomuntu njengobufakazi bokusekela lokhu okushiwoyo. Ucwaningo lwangaphambilini luphinde lwabona ukubandlulula kwesikhumba kubuchwepheshe bezokwelapha, okutholakele okubonisa ukuthi imishini yezokwelapha esebenzisa i-infrared sensing ingase ingasebenzi kahle esikhumbeni esimnyama ngenxa yokuphazamiseka okungenzeka kokukhanya.
UBell uzwakalise ithemba lokuthi ucwaningo lwakhe lungavula umnyango wokuqeda ubandlululo kwezempilo futhi lukhuthaze abanye ukuba bakhe ubuchwepheshe obuzuzisa bonke abantu, kungakhathaliseki ukuthi banombala onjani wesikhumba.
“Ngikholwa ukuthi ngekhono lokukhombisa ukuthi singasungula futhi sithuthukise ubuchwepheshe — lokho akusebenzi nje kuphela eqenjini elincane labantu kodwa kusebenza kubantu abaningi. Lokhu kuyakhuthaza kakhulu hhayi eqenjini lami kuphela, kodwa nakumaqembu emhlabeni wonke ukuthi aqale ukucabanga ngale ndlela lapho eklama ubuchwepheshe. Ingabe kuyabasiza abantu abaningi?” kusho uBell.
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Njengoba sonke sazi, intuthuko yemboni yezithombe zezokwelapha ayihlukaniseki ekuthuthukisweni kochungechunge lwemishini yezokwelapha - ama-injector agent injector kanye nezinto ezisetshenziswayo ezisekelayo - ezisetshenziswa kabanzi kulo mkhakha. EShayina, edume ngemboni yayo yokukhiqiza, kunabakhiqizi abaningi abadumile ekhaya nakwamanye amazwe ngokukhiqiza imishini yezithombe zezokwelapha, okuhlanganisaI-LnkMedKusukela yasungulwa, i-LnkMed ibilokhu igxile emkhakheni wama-injectors anamandla aphezulu okucindezela. Ithimba lobunjiniyela le-LnkMed liholwa yi-Ph.D. elinolwazi olungaphezu kweminyaka eyishumi futhi lihileleke kakhulu ocwaningweni nasekuthuthukisweni. Ngaphansi kwesiqondiso sakhe, i-Umjovo wekhanda elilodwa le-CT,Umjovo wekhanda eliphindwe kabili we-CT,Umjovo we-MRI contrast agent, futhiI-Angiography high-pressure contrast agent injector injectorzenzelwe lezi zici: umzimba oqinile futhi ohlangene, isikhombimsebenzisi sokusebenza esilula nesihlakaniphile, imisebenzi ephelele, ukuphepha okuphezulu, kanye nomklamo ohlala isikhathi eside. Singaphinde sinikeze amasirinji namashubhu ahambisana nalawo mabhrendi adumile e-CT, MRI, DSA injectors Ngenxa yesimo sabo sengqondo esiqotho kanye namandla ochwepheshe, bonke abasebenzi be-LnkMed bakumema ngobuqotho ukuthi nize nizohlola izimakethe ezengeziwe ndawonye.
Isikhathi sokuthunyelwe: Jan-16-2024
