Dergi Ara >>
Yıl:2003; Cilt: 4; Sayı: 1>> Özet
Türkiye Klinikleri Psikiyatri Dergisi; 2003;4(1):26-32
Serebrovasküler hastalıklar
B Kanmaz, K Sönmezoğlu
İstanbul Üniversitesi Cerrahpaşa Tıp Fakültesi Nükleer Tıp AD, İSTANBUL
Serebrovasküler hastalıklar halen tüm dünyada oldukça geniş bir kitleyi ilgilendiren önemli bir tıbbi problemdir. Son yıllarda akut tedavi seçeneklerinin artmasına paralel olarak bu hastalığın erken tanısı giderek önem kazanmaya başlamıştır. Mükemmel anatomik detay veren BT ve MRG bu hastalıklara tanısal yaklaşımdaki vazgeçilemez incelemelerdir. Ancak yapısal değişiklikler işlevsel değişikliklerden daha sonra ortaya çıkmaktadır. Bu nedenle serebrovasküler hastalıkların erken teşhisinde fonksiyonel görüntüleme metodu olarak nükleer tıp tetkiklerinin önemi artmıştır. Stroke (inme), geçici iskemik atak, subaraknoid hemoraji, arteriovenöz malformasyon gibi hemodinamik bozukluklarda nükleer tıp çalışmalarının prognostik ve diagnostik öneme sahip olduğu bir çok çalışmada gösterilmiştir. Günümüzde beyin sintigrafisinde kullanılan temel radyonüklid yöntemler üç boyutlu (tomografik) görüntüleme yapabilen PET ve SPECT'tir. SPECT ve özellikle PET çalışmaları ile, diğer görüntüleme yöntemleriyle elde edilemeyen rCBF, rCBV, rCMO2 ve rCMRglu gibi bazı fizyolojik ve metabolik parametreleri görüntülemek ve ölçmek olasıdır.

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