{"id":49501,"date":"2018-05-02T09:05:41","date_gmt":"2018-05-02T09:05:41","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=disease&p=49501"},"modified":"2018-05-02T09:06:01","modified_gmt":"2018-05-02T09:06:01","slug":"antigen-specifican-za-prostatu","status":"publish","type":"disease","link":"https:\/\/www.humanitas.net\/sr\/diseases\/antigen-specifican-za-prostatu\/","title":{"rendered":"Antigen specifi\u010dan za prostatu"},"content":{"rendered":"

\u0160ta je antigen specifi\u010dan za prostatu?<\/h2>\n

Antigen specifi\u010dan za prostate (PSA) je enzim koji se sinteti\u0161e u epitelnim \u0107elijama prostate i koristi se za razre\u0111ivanje semene te\u010dnosti mu\u0161karca. Mala koli\u010dina PSA je stalno prisutna u krvotoku, ali njegov povi\u0161en nivo mo\u017ee da uka\u017ee na patolo\u0161ko stanje ove \u017elezde. Analiza PSA omogu\u0107i\u0107e nam da ustanovimo da li kod pacijenta postoji povi\u0161en nivo PSA, budu\u0107i da on ukazuje na prisustvo raka prostate. Postojanje visokog nivoa PSA ne mora da zna\u010di da pacijent boluje od raka, budu\u0107i da postoje i druga stanja koja mogu dovesti do povi\u0161ene vrednosti PSA, kao na primer uve\u0107ana prostata ili prostata pod upalom.<\/p>\n

 <\/p>\n

Analiza PSA mo\u017ee da se koristi kao skrining test kod mu\u0161karaca koji ne znaju da li imaju neko oboljenje prostate. Test se obi\u010dno koristi i za merenje agresivnosti raka prostate, a mo\u017ee se koristiti i kod mu\u0161karaca koji ve\u0107 imaju rak za pra\u0107enje toka bolesti. Me\u0111utim, nivo PSA nije specifi\u010dan samo za rak prostate, jer njegove povi\u0161ene vrednosti mogu biti uzrokovane nekim drugim oboljenjima. Jedan od naj\u010de\u0161\u0107ih uzroka je i benigna hipertrofija prostate (BPH), kada dolazi do uve\u0107anja prostate, \u0161to se obi\u010dno javlja u starijoj \u017eivotnoj dobi. Jo\u0161 jedan \u010dest uzrok povi\u0161enog nivoa PSA je i prostatitis odnosno infekcija prostate. Me\u0111u ostalim stanjima koja mogu dovesti do povi\u0161enog nivoa PSA su ishemija ili infarkcija, zadr\u017eavanje urina, biopsija prostate ili instrumentacija uretre prilikom endoskopskog pregleda.<\/p>\n

 <\/p>\n

Jedno od ograni\u010denja PSA skrining testa jeste \u0161to se povi\u0161ena vrednost PSA u krvi ne javlja prilikom svakog kancera prostate, \u010dak i kod onih u uznapredovaloj fazi.<\/p>\n

 <\/p>\n

Za\u0161to se meri nivo antigena specifi\u010dnog za prostatu?<\/h2>\n

Antigen specifi\u010dan za prostate smatra se markerom potencijalnih problema sa prostatom, me\u0111utim, njegov zna\u010daj se \u010desto dovodi u pitanje zbog ograni\u010dene osetljivosti ovog enzima. Povi\u0161eni nivoi PSA mogu zaista da uka\u017eu na pristustvo benignog poreme\u0107aja, zbog pristustva odre\u0111enog stanja, poput tumora prostate.<\/p>\n

 <\/p>\n

Naj\u010de\u0161\u0107a najvi\u0161a vrednsot PSA je 4ng\/mL, me\u0111utim, imaju\u0107i u vidu da je prostata \u017elezda koja se vremenom pove\u0107ava tokom godina ona stoga lu\u010di i ve\u0107e koli\u010dine PSA, tako da je normalno da je njegova vrednost ni\u017ea kod mla\u0111ih mu\u0161karaca, a ve\u0107a kod starijih. Postoje nivoi PSA koji su karakteristi\u010dni za odre\u0111enu starosnu dob: starosna dob od 40 do 49 godina: 2.5 ng\/mL, starosna dob od 50 do 59 godina: 3.5 ng\/mL, starosna dob od 60 do 69 godina: 4.5 ng\/mL, starosna dob od 70 do 79 godina: 6.5 ng\/mL. Kada nivo PSA pre\u0111e preko 10ng\/mL, mogu\u0107nost postojanja raka prostate drasti\u010dno raste. Ovo me\u0111utim nije najbolji pokazatelj za odnos nivoa PSA i starosne dobi, budu\u0107i da postoje i drugi faktori koji mogu da uti\u010du na nivo ovog antigena. Najbolje je stoga da se koncentracija od 4ng\/mL uzme kao najvi\u0161a normalna vrednost PSA u krvi.<\/p>\n

 <\/p>\n

Uzimanje uzorka za analizu<\/h2>\n

Uzimanje uzorka za analizu obi\u010dno se obavlja u zdravstvenoj ustanovi u jutarnjim \u010dasovima. Nije potrebno obaviti posebne pripreme pred testiranje. Lekar \u0107e vas obavestiti da li je preporu\u010dljivo jesti pre davanja krvi na analizu. Trebalo bi da obavestite lekara o svim lekovima koje trenutno uzimate budu\u0107i da neki od njih mogu da uti\u010du na rezultate testiranja. U nekim slu\u010dajevima bi\u0107e potrebno da ponesete i prethodne nalaze.<\/p>\n

 <\/p>\n

Da li je testiranje bolno i \u0161tetno?<\/h2>\n

Testiranje nije ni bolno ni \u0161tetno. Pacijent mo\u017ee da oseti lagani ubod prilikom ulaska igle u ruku tokom procesa va\u0111enja krvi za analizu.<\/p>\n

 <\/p>\n

Kako se izvodi testiranje?<\/h2>\n

Testiranje se sastoji od uzimanja krvi za jednostavnu analizu.<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","yoast_head":"\nAntigen specifi\u010dan za prostatu - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.humanitas.net\/sr\/diseases\/antigen-specifican-za-prostatu\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Antigen specifi\u010dan za prostatu - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"\u0160ta je antigen specifi\u010dan za prostatu? Antigen specifi\u010dan za prostate (PSA) je enzim koji se sinteti\u0161e u epitelnim \u0107elijama prostate i koristi se za razre\u0111ivanje semene te\u010dnosti mu\u0161karca. 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