{"id":2838,"date":"2020-10-28T19:07:33","date_gmt":"2020-10-28T16:07:33","guid":{"rendered":"https:\/\/www.intheranostics.com\/prof\/?page_id=2838"},"modified":"2020-11-05T00:03:34","modified_gmt":"2020-11-04T21:03:34","slug":"tiroid-kanseri-sp-bg","status":"publish","type":"page","link":"https:\/\/www.intheranostics.com\/prof\/bg\/tiroid-kanseri-sp-bg\/","title":{"rendered":"\u0420\u0430\u043a \u043d\u0430 \u0449\u0438\u0442\u043e\u0432\u0438\u0434\u043d\u0430\u0442\u0430 \u0436\u043b\u0435\u0437\u0430"},"content":{"rendered":"

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[\/et_pb_text][et_pb_accordion disabled_on=“on|on|on“ _builder_version=“4.4.8″ disabled=“on“][et_pb_accordion_item title=“TANI H\u0130ZMETLER\u0130 – I-131 T\u00dcM V\u00dcCUT TARAMA SINTIGRAFISI“ open=“on“ open_toggle_text_color=“#0ca7c5″ _builder_version=“4.4.8″ toggle_font=“|700|||||||“ toggle_font_size=“18px“]<\/p>\n

Endikasyon<\/b><\/span><\/p>\n

Radyoaktif iyot t\u00fcm v\u00fccut sintigrafisi,<\/b> diferansiye tiroid kanserli hastalarda; <\/span><\/p>\n

1) Tiroidektomi sonras\u0131, radyoaktif iyot ablasyonu \u00f6ncesinde lokorejyonel tutulumu de\u011ferlendirme ve \u00f6l\u00e7mede <\/span><\/p>\n

2) Radyoaktif iyot ile ablasyon veya tedavi sonras\u0131 g\u00f6r\u00fcnt\u00fclemede <\/span><\/p>\n

3) Tiroid kanseri n\u00fcks\u00fc orta veya y\u00fcksek riskli ve Tg \u00f6l\u00e7\u00fcmlerinin g\u00fcvenilir olmad\u0131\u011f\u0131 hastalar\u0131n takibinde endikedir. <\/span><\/p>\n

Radyoaktif \u0130yot T\u00fcm V\u00fccut Sintigrafisi Nedir, T\u00fcm\u00f6r Oda\u011f\u0131n\u0131 Nas\u0131l G\u00f6sterir?<\/b><\/span><\/p>\n

Teranostik t\u0131p d\u00fcnyas\u0131nda yeni geli\u015fmekte olan bir aland\u0131r. T\u00fcm\u00f6re \u00f6zg\u00fcl bir ila\u00e7 ile g\u00f6r\u00fcnt\u00fcleme yaparak saptanan t\u00fcm\u00f6r ve metastazlar\u0131n\u0131n, nereye gidece\u011fi, ne kadar gidece\u011fi ve hastal\u0131kl\u0131 dokuyu etkileme g\u00fcc\u00fc \u00f6nceden bilinen yine \u00f6zg\u00fcl bir ila\u00e7 ile tedavi edilebildi\u011fi bir yakla\u015f\u0131md\u0131r. Bu yakla\u015f\u0131m, geleneksel t\u0131ptan ki\u015fiye \u00f6zg\u00fc \u00e7a\u011fda\u015f t\u0131p uygulamalar\u0131na ge\u00e7i\u015f yap\u0131lmas\u0131n\u0131 sa\u011flamaktad\u0131r.<\/span><\/p>\n

Diferansiye tiroid kanserinde; bir yandan tan\u0131sal ama\u00e7la d\u00fc\u015f\u00fck doz radyoaktif iyot (I-131 <\/span>veya I-123)<\/span> ile t\u00fcm\u00f6ral dokular\u0131n y\u00fcksek duyarl\u0131l\u0131k ve \u00f6zg\u00fcll\u00fckte g\u00f6r\u00fcnt\u00fclenebilmesi, di\u011fer yandan da y\u00fcksek doz radyoaktif iyot (I-131) ile bu t\u00fcm\u00f6ral dokular\u0131n \u00f6zg\u00fcl ve hedefe y\u00f6nelik tedavisi, teranostik uygulamalar i\u00e7in bilinen en eski \u00f6rnektir.<\/span><\/p>\n

Tiroid dokusu, v\u00fccuttaki iyotun tamam\u0131n\u0131 kandan alarak kendi i\u00e7erisinde biriktirme konusunda e\u015fsiz bir yetene\u011fe sahiptir. Radyoaktif iyot da t\u0131pk\u0131 iyot gibi, sodyum-iyot simporter (NIS) membran proteinleri arac\u0131l\u0131\u011f\u0131yla tiroid bezine al\u0131narak, tiroid folik\u00fcler h\u00fccrelerinde depolanmaktad\u0131r. Papiller ve folik\u00fcler tip diferansiye tiroid kanserlerinde de, sa\u011fl\u0131kl\u0131 tiroid dokusuna g\u00f6re daha d\u00fc\u015f\u00fck d\u00fczeyde olmakla birlikte, NIS membran proteinleri bulunmaktad\u0131r. I-131 fiziksel yar\u0131 \u00f6mr\u00fc 8.1 g\u00fcn olan bir radyoizotop olup, g\u00f6r\u00fcnt\u00fclemede yararland\u0131\u011f\u0131m\u0131z 364 keV’luk temel gama radyasyonu ile tedavide kulland\u0131\u011f\u0131m\u0131z ortalama 0.192 MeV enerjiye ve dokuda ortalama 0.4 mm menzile sahip temel beta par\u00e7ac\u0131\u011f\u0131 yay\u0131mlamaktad\u0131r. <\/span>G\u00f6r\u00fcnt\u00fclemede kulland\u0131\u011f\u0131m\u0131z di\u011fer bir radyoizotop olan I-123’\u00fcn fiziksel yar\u0131 \u00f6mr\u00fc ise yakla\u015f\u0131k 13 saat olup, g\u00f6r\u00fcnt\u00fclemede 159 keV’luk gama radyasyonundan faydalan\u0131lmaktad\u0131r.<\/span><\/p>\n

Anaplastik (andiferansiye) ve med\u00fcller tiroid kanserleri ile lenfoma gibi tiroidin nadir g\u00f6r\u00fclen di\u011fer malign hastal\u0131klar\u0131 ise iyot tutulumu g\u00f6stermediklerinden, radyoaktif iyot bu hastalarda kullan\u0131lmamaktad\u0131r.<\/span><\/p>\n

Radyoaktif \u0130yot T\u00fcm V\u00fccut Sintigrafisi Kimlere Uygulan\u0131r?<\/b><\/span><\/p>\n

Radyoaktif iyot t\u00fcm v\u00fccut sintigrafisi diferansiye tiroid kanserli hastalarda, tiroidektomi sonras\u0131, radyoaktif iyot ablasyonu \u00f6ncesinde lokorejyonel tutulumu de\u011ferlendirme ve \u00f6l\u00e7mede, radyoaktif iyot ile ablasyon veya tedavi sonras\u0131 g\u00f6r\u00fcnt\u00fclemede ve tiroid kanseri n\u00fcks\u00fc orta veya y\u00fcksek riskli ve Tg \u00f6l\u00e7\u00fcmlerinin g\u00fcvenilir olmad\u0131\u011f\u0131 hastalar\u0131n takibinde endikedir.\u00a0<\/span><\/p>\n

Radyoaktif \u0130yot T\u00fcm V\u00fccut Sintigrafisi G\u00fcvenli midir?<\/b><\/span><\/p>\n

Radyoaktif iyot t\u00fcm v\u00fccut sintigrafisi, tedavi \u00f6ncesi d\u00fc\u015f\u00fck tan\u0131sal dozda radyoaktif iyot izotoplar\u0131 uygulanarak ger\u00e7ekle\u015ftirilen, g\u00fcvenli bir g\u00f6r\u00fcnt\u00fclemedir.<\/span><\/p>\n

Radyoaktif iyot t\u00fcm v\u00fccut tarama sintigrafisi, hamilelerde uygulanamaz. Emziren annelerde ise emzirmenin sonland\u0131r\u0131lmas\u0131 gerekebilir. \u00a0 \u00a0<\/span><\/span><\/p>\n

Radyoaktif \u0130yot T\u00fcm V\u00fccut Sintigrafisi \u00d6ncesi Haz\u0131rl\u0131k <\/b><\/span><\/p>\n

Radyoaktif iyot t\u00fcm v\u00fccut sintigrafisi \u00f6ncesinde; tiroidle ilgili t\u0131bbi hikaye, ameliyat\/patoloji raporlar\u0131 ve \u00f6nceki g\u00f6r\u00fcnt\u00fclemeleri, daha \u00f6nce uygulanm\u0131\u015f radyoaktif iyot tedavi dozlar\u0131 g\u00f6zden ge\u00e7irilir ve gerekti\u011finde a\u015fa\u011f\u0131daki kan testleri yapt\u0131r\u0131l\u0131r:<\/span><\/p>\n