{"id":71469,"date":"2017-11-09T14:33:19","date_gmt":"2017-11-09T14:33:19","guid":{"rendered":"http:\/\/humanitasnet-new.local\/malattie\/tumori-pituitarnih-zhlezda\/"},"modified":"2025-01-13T02:58:38","modified_gmt":"2025-01-13T02:58:38","slug":"tumori-pituitarnih-zhlezda","status":"publish","type":"disease","link":"https:\/\/humanitas-net.humweb.webiz.team\/sr\/diseases\/tumori-pituitarnih-zhlezda\/","title":{"rendered":"Tumori pituitarnih \u017elezda"},"content":{"rendered":"<h2 id=\"definicija\">Definicija<\/h2>\n<p>Tumori pituitarnih \u017elezda podrazumevaju abnormalan rast koji zahvata pituitarnu \u017elezdu. Pituitarna \u017elezda predstavlja manju \u017elezdu lokalizovanu u blizini mozga koja reguli\u0161eravnote\u017eu hormona u organizmu. Odre\u0111eni pituitarni tumori\u00a0 izazivaju porast pordukcije hormona dok drugi dovode do poreme\u0107aja normalnog funkcionisanja pituitarne \u017elezde produkcijom ni\u017eih nivoa hormona.<\/p>\n<p>Ve\u0107ina pituitarnih tumora predstavljaju nekancerozne tumorske nakupine koje se nazivaju pituitarni adenoma. Nalaze se u okviru tkiva pituitarne \u017elezde i ne \u0161ire se u okolne regije organizma. Ipak, tumor mo\u017ee vr\u0161iti kompresiju na okolne structure, kao \u0161to je na priemr, opti\u010dki nerv, \u010dime se naru\u0161ava vidna funkcija.<\/p>\n<p>Terapeutske opcije kod postojanja pituitarnih tumora podrazmevaju\u00a0 normalizovanje nivoa hormona upotrebom medikamentozne terapije, kontrolu rasta tumora kao i operativni pristup u slu\u010daju postojanja indikacija.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"simptomi\">Simptomi<\/h2>\n<p>Postoje dva razli\u010dita tipa pituitarnih tumora: makroadenomi i mikroadenomi.<\/p>\n<p>Makroadenom predstavlja velike pituitarne tumore (veli\u010dine oko 1 santimetar) koji mogi komprimovati ostatk pituitarne \u017elezde i okolna podru\u010dja, dok su mikroadenomi manji tumori.<\/p>\n<p>Znaci i simptomi usled kompresije tumora pituitarne \u017elezde su:<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Glavobolja<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Gubitak vidne funkcije<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Mu\u010dnina i povra\u0107anje<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Deficijencija hormona<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Umor<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Promene u \u017eenskom menstrualnom ciklusu<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Sni\u017eena maljavost<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Seksualna disfunkcija<\/p>\n<p>\u00b7 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Konstantna potreba za uriniranjem<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nenamerni gubitak telesne te\u017eine<\/p>\n<p>&nbsp;<\/p>\n<p>Simptomatologija usled prisustva pituitarnih tumora nastaje na razli\u010dite na\u010dine, naj\u010de\u0161\u0107e usled prekomerne produkcije jednog ili vi\u0161e hormona.<\/p>\n<p>Adrenokortikotropni\u00a0 hormon sekretuju\u0107i tumor (ACTH) \u2013 mo\u017ee izazvati povi\u0161en krvni pritisak, hiperglikemiju, slabost mi\u0161i\u0107a, lako nastajanje modrica, strije, istanjenje ko\u017ee, emocionalne promene.<\/p>\n<p>Tumor koji sekretuje hormone rasta izaziva uve\u0107anje donjih ekstremiteta, hiperlgikemiju, poja\u010dano znojenje, bol u zglobovima, sr\u010dana oboljenja, poja\u010dan rast kose, sleep apneju.<\/p>\n<p>Prolaktin-sekretuju\u0107i tumor mo\u017ee izazvati neadekvatnu sekreciju mleka, slabljenje kostiju, gubitak seksualne funkcije, infertilnost, iregularne menstrualne periode kao\u00a0 i erektilnu disfunkciju kod mu\u0161karaca.<\/p>\n<p>Tiroid-stimuliraju\u0107i hormone-sekretuju\u0107i tumor mo\u017ee izazvati nenamerni gubitak telesne te\u017eine, ubrzan sr\u010dani rad, u\u010destale crevne pokrete, poja\u010dano znojenje kao i ose\u0107aj toplo-hladno.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"uzroci\">Uzroci<\/h2>\n<p>Uzorci nastanka pituitarnih adenoma jo\u0161 uvek su nepoznati. Pituitarna \u017elezda manjih je dimenzija, lokalizovana na bazi mozga te reguli\u0161e odr\u017eavanje ravnote\u017enog stanja hormona. Hormoni poa\u017eu u produkciji va\u017enih funkcija kao \u0161to su rast, krvni pritisak, reprodukcija. Nekontrolisan \u0107elijski rast unutar pituitarne \u017elezde dovodi do\u00a0 nastanka tumora koji mo\u017ee uticati na pravilnu funkciju hormona (neki mogu produkovati vi\u0161e hormona, manje ili dovesti do trajnog o\u0161te\u0107enja hormonske ravnote\u017ee). Istra\u017eiva\u010di pretpostavljaju da genetske promene poseduju va\u017enu ulogu u na\u010dinu nastanka pituitarnih tumora.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"faktori-rizika\">Faktori rizika<\/h2>\n<p>Iako se pituitarni tumori mogu javiti u bio kom starosnom period, naj\u010de\u0161\u0107e se javljaju kod odraslih. Poznati faktori rizika za nastanak tumora su:<\/p>\n<p>Multipla endokrina neoplazija tip 1 (MEN1): Porodi\u010dna anamneza sa istorijom MEN1 uti\u010de na pove\u0107an rizik za nastanak tumora pituitarne \u017elezde<\/p>\n<p>Karni kompleks: Genetsko stanje koje pove\u0107ava rizik za nastanak pituitarnih tumora<\/p>\n<p>Familijalna akromegalija: stanje kod odraslih izazvano prekomernom produkcijom hormona rasta.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"komplikacije\">Komplikacije<\/h2>\n<p>Komplikacije koje proizilaze usled postojanja pituitarnog tumora mogu uklju\u010divati:<\/p>\n<p>Gubitak vida usled pritiska na opti\u010dke nerve<\/p>\n<p>Trajnu hormonsku deficijenciju<\/p>\n<p>Dijabetes insipidus<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"lecenje\">Le\u010denje<\/h2>\n<p>Budu\u0107i da pituitarni tumori mogu izazvati ozbiljne problem usled kompresije na mo\u017edane structure, le\u010denje je \u010desto neophodno. Terapeutski pristup zavisi od tipa tumora, njegove veli\u010dine i na\u010dina pro\u0161irenosti. Dve glavne hirur\u0161ke tehnike za le\u010denje pituitarnih utmora su:<\/p>\n<p>\u00b7 \u00a0 Endoskopski transnazalni transsfenoidalni pristup . Hirur\u0161ko uklanjanje tumora kroz nsnu \u0161upljinu i sinuse bez eksterne incizije.<\/p>\n<p>\u00b7\u00a0\u00a0 Transkranijalni pristup (kraniotomija) : Hirur\u0161ko uklanjanje tumora kroz gornje regije lobanje putem incizije skalpa.<\/p>\n<p>&nbsp;<\/p>\n<p>Drugi terapeutski modaliteti mogu podrazumevati primenu radijacione terapije:<\/p>\n<p>Spolja\u0161nja radijacija: Upotreba visokoenergetskih X-zraka u ciju destrukcije tumora. Serijskim tretmanima, naj\u010de\u0161\u0107e pet puta nedeljno u period du\u017eem od 4-6 nedelja, i izvodi se u vanbolni\u010dkim uslovima. Ovaj vid le\u010denja ima pozitivan u\u010dinak u slu\u010daju perzistiranja tumora ili recidiva tumora.<\/p>\n<p>Radiohirurgija upotrebom gama no\u017ea: upotreba radijacionog zra\u010denja ciljano na tumore bez rezova. Priemnjuju se minimalne doze zra\u010denja prilikom kontakta sa zdravim tkivom koje okru\u017euje tumorsku promenu, smanjuju\u0107i rizik od o\u0161te\u0107enja zdravog tkiva.<\/p>\n<p>Terapeutski pristup primenom medikamenata mo\u017ee pomo\u0107i u redukciji prekomernih koncentracija hormona i u odre\u0111enim slu\u010dajevima do smanjenja veli\u010dine pituitarnog tumora:<\/p>\n<p>&nbsp;<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bromokriptin (Parlodel, Cikloset) i karbergolin mogu biti korisni u le\u010denju prolaktin-sekretuju\u0107ih tumora (prolaktinoam) sni\u017eavanjem sekrecije prolaktina i redukcijom veli\u010dine tumorskog procesa. Mogu\u0107i ne\u017eeljeni efekti mogu uklju\u010divati pospanost, nesvestice, povra\u0107anje, dijareju, konfuziju, depresiju.<\/p>\n<p>\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Analozi somatostatina (Sandostatin, Somatulin Depot, drugi) poma\u017eu u sni\u017eavanju nivoa hormona rasta kao i redukciju veli\u010dine tumroa. Ovi lekovi korisni su u slu\u010daju da hirur\u0161ki tretman ne normalizuje nivo hormona rasta. Mogu\u0107i ne\u017eeljeni efekti uklju\u010duju bol u stomaku, povra\u0107anje, nesvesivu, glavobolju i dijareju.<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"pazljivo-pracenje-opservacija\">Pa\u017eljivo pra\u0107enje (opservacija)<\/h2>\n<p>Opservacija podrazumeva redovne kontrolne preglede u cilju monitorina i kontrole rasta pituitarnih tumora. Individue starije uzrasne dobi ili lo\u0161ijeg zdravstvenog stanja ovim putem kontroli\u0161u simptomatologiju izazvanu prisustvom tumora. Kod mla\u0111ih osoba, neophodno je pa\u017eljivo pra\u0107enje tumorskog procesa u cilju spre\u010davanja dodatnih komplikacija.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-71469","disease","type-disease","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tumori pituitarnih \u017elezda - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"sr_RS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tumori pituitarnih \u017elezda - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Definicija Tumori pituitarnih \u017elezda podrazumevaju abnormalan rast koji zahvata pituitarnu \u017elezdu. 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Pituitarna \u017elezda predstavlja manju \u017elezdu lokalizovanu u blizini mozga koja reguli\u0161eravnote\u017eu hormona u organizmu. Odre\u0111eni pituitarni tumori\u00a0 izazivaju porast pordukcije hormona dok drugi dovode do poreme\u0107aja normalnog funkcionisanja pituitarne \u017elezde produkcijom ni\u017eih nivoa hormona. 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