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Radyoterapi ve Hamilelik: Birlikte ya da Tek Başına?

Radiotherapy and Pregnancy: Together or Alone?

Journal Name:

  • İnönü Üniversitesi Tıp Fakültesi Dergisi

Publication Year:

  • 2012

Key Words:

Keywords (Original Language):

Author NameUniversity of Author
Abstract (2. Language): 
Organ malformations and mental retardation (the sensitivity is high from 2 to 8 weeks, and 8 to 25 weeks after conception, respectively) are the most serious results of fetal exposure to radiation that are observed after birth and probably arise above a threshold dose of 0.1–0.2 Gy. This threshold dose is not generally reached with curative radiotherapy during pregnancy, because most of the tumors are located sufficiently far from the fetus and that precautions have been taken to protect the unborn child against leakage radiation and collimator scatter. Generally, pregnant women with malignant diseases are advised to delay the radiotherapy until after delivery. If a pregnant patient necessitates radiotherapy the physician should inform the risk of the fetus and the benefits of the mother. Subjects like week of pregnancy, stage of the disease and radiation safety must be discussed in details and the final decision should be taken by the patient. In this review, patients who were exposed to radiation during pregnancy because of radiotherapy and their fetal exposure were discussed.
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Abstract (Original Language): 
Organ kusurları ve zeka gelişim bozukluğu (döllenmeden sonra sırasıyla 2-8. ve 8-25. haftalarda duyarlılık yüksektir) doğumdan sonra fetal radyasyon maruziyetine bağlı görülen en ciddi sorunlardır ve muhtemelen 0.1-0.2 Gy’lik eşik dozun üzerinde ortaya çıkar. Bu eşik doza hamilelik sırasında küratif radyoterapi ile genellikle ulaşılmaz çünkü tümörlerin çoğu fetüsten yeterince uzakta yerleşiktir ve doğmamış çocuğu korumak için sızıntı radyasyona ve kolimatör saçılmalarına karşı önlemler alınmıştır. Genellikle malign hastalığı olan hamile kadınlara radyoterapinin doğum sonrasına ertelenmesi tavsiye edilir. Eğer hamile bir hastaya radyoterapi zorunluluğu olursa hekim fetüsün riskleri ve annenin faydaları konusunda bilgilendirmek zorundadır. Hamilelik haftası, hastalığın evresi ve radyasyon güvenliği gibi konular detaylı bir şekilde tartışılmalı ve son karar hasta tarafından verilmelidir. Bu derlemede hamilelik sırasında radyoterapi sırasında radyasyona maruz kalan hastalar ve fetal maruziyetleri tartışılmıştır.
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