Which of the following has more anti-thyroid action
Correct Answer: I131
Description: Radioactive Iodine (I131) Therapy I131 is an effective agent for delivering high radiation doses to thyroid tissue It emits mainly beta radiation (90%), which penetrates only 0.5mm of the tissues & allow therapeutic effects on thyroid without any damage to the surrounding structures, paicularly parathyroid Mechanism of action I131 emits beta paicles and g-rays Beta rays are utilized for their destructive effects on thyroid cells X-rays are useful for tracer studies Indications in carcinoma thyroid Contraindications of I131 Therapy Distant metastasis at diagnosis Incomplete tumor resection Patients at high risk for Moality or recurrence Childhood Pregnancy Lactation Ref : schwaz's principle of surgery 10th edition Pgno : 897
Category:
Surgery
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now