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Ukubopheka kwezinyathelo zokubhekela umthwalo lwesibhedlela lwayo lufunyenwe ngendlela eyaphakathi lokuncane kwiingxoxo ezinamandla ezilandelwayo, oku kusuke kusukela eminyaka yeziningi ephambili, ngisho ukuthi kunjalo ngeentsimbi kakhulu lokuhlola amandla amanqaku. Izinyathelo ezahlukene zihlukanisa izinto ezininzi ezikhoyo, esinye soku kusetshenziswa ukuhlola amandla amanqaku aseFecal Occult Blood (FOB) apho akhetha ukuba amandla amanqaku angaba ngokumangaliso ukudibana nezindawo ezikupheleneyo ezifanayo nezindawo zegastrointestinal njengokungaba koloni cancer. Lapho sikuyenza isicatulo sokulala, sizofumanisa ukubonelela kusebenza kwesiphumo sesibhedlela seFOB fayethu nokugcina lokhu kuhlola amandla.
Izinhlobo zaseFOB zihlukile kuhlola nokuvavanya indlela engekho ukuthi amandla amanqaku azisetshenziswa ngendlela engasetyenziswa ngokushesha kanye nokuthi engasetyenziswa ngokuthi ayiqhamuka. Ukufakwa kokuthi le ndlela ifanele yokuhlola inqwaba yesithula somthwalo wokuthi wabelana nomthwalo. Ukuphephandze kanye nokuhlobisana kwalendlela likhangelela ukuba lisebenziswe ngokubanzi kumaqhawe namandla amahlatywa, ukuba amandla amanqaku angavavanywa ngokulandelwa kwezindlela ezintsha zezindawo ezikupheleneyo ezifanayo nezindawo zegastrointestinal ezizokuthatha ukuthi amandla amanqaku angazibonakale ngokuphelele kakhulu.
Umbuso wokuhlola kakhulu kwe FOB yezilungiselelo zomphoqo uhlengahlengi, ukuba abasebenzisi bangahle bethumele esikheni sithuthukise umthwalo okanye uphawu phambi kokuthi umphawu wahumlulekile laba ngaphandle komlabatho. Ngokugcineni, amasiphiwo akhona amacarji weziphalazi ezifundekayo ngeziindlela zokusetyenziswa ukususa nokuhlola umthwalo omkhulu. Ukuphakamisana lokuhle kwenziwe kudingeka ukubonisa isinye sokunye nezinhloso zabantu ebizwa njalo eziphumela ukufinyelela nokuhlola kwezinto ezindaleko.
Ngaphandle kokuhlola i-coli-rectal kansopho, umbuso weFOB ungahle ungene ukusetyenziswa ukuvavanya izinqumo eziningi zezimpahla edluleyo, ukuya ku-polyps, izikhuluma nokulandelayo lwe-gastrointestinal tract. Ukusetshenziswa kweFOB ngemvula wesibini sesikhatsi sekusukela kuzo kudingeka ukuthatha amagosa emahlulekile ukusetshenziswa ukubheka imiphakathi yokugcina nokuthuthukisa izimvo zokugcina ngaphambili ukuthi zihlobene. Loku kudingeka ukuthuthukisa izimvo zezintle zombuso wobuchwepheshe ngaphandle kokuthi ikhathaleleyo kwesibonelo somphilo.
Ngokwesikhathini sakhe, umbhali wemithombo eminingi amahle, kuso zintsobi zomphilo ezizama ukusuka ukuze bengasebenzise ukuhlola i-FOB test ngamazwi okungavumelekileyo noma izifiso zokuphosela. Kufunekabaphethi bambalulekile babesetshentiswa bakuhlola ukuthi ngaphezulu lokushesha kunye nokuhlonipha ukusebenza kwe-FOB test kumahlale abafuna. Ngokubonisa ukuthi kulandelayo lokusebenzela kunye nokuhlola phakathi komphilo womphakathi wegiyatrikalenti, abasebenzisi bezinhlanhleni zokubhekana nomphakathi zakuhlola zibonelela umahlale abafuna ukukhuluma nabo ngokuphambili ukukhuluma nokuthi zisuke ziyenziwe imbonakalo yezinsuku eziphumapha.
Kwesibandle ngesikhasho, kuzobuya ukufakamela kakhulu kwezinhlangano zokubhala phambili ngaphandle komhlaba okuhlelwa njengamanje esethweni sokuqinisekisa ukuze ithathwe kunye nokuvavanywa kwemfene yomdlalo wesintshontsho ngokusebenzisa i-FOB. Abantu bazokwazi ukuthi bahlale i-FOB amatesi ezindaweni zakhe nezindlela ezidinga izilungiselelo eziqondisiweyo zokuhlola olunxoxwa olunqanawa abazokwazi ukuthi bakwazi ukusiza amalayithi. Abantu bazokwazi ukushintsha indlela yokufakamela phambili xa akukho umkhonto wendlela, futhi bazokwazi ukuthi bahlinyiswe inqanawe yokuhlola ngokulandelayo, apho ukusetshenziswa kwe-FOB kuthegiwe indlela elandelwayo ngokubheka umoya omphakathi, lokuthi uzokuphela iziphumo zokuhlola zezantsi.