This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carcinoma Cervix, Subject name: Gynaecology & Obstetrics
Point B in the treatment of carcinoma cervix receives the dose of: 
Select and explain. 
A. 7000 cGy, B. 6000 cGy, C. 5000 cGy, D. 10,000 cGy
B: 6000 cGy
Answer: B: 6000 cGy 
Explanation: Ans. is b, i.e. 6000cGyRef: Novak, 14th/ed, pi428; John Hopkins manual of obs and gynae 4th/ed, p554Two important points in the radiotherapy of cancer cervix are Point APoint BLocation2cm above and 2cm lateral to external os2cm above and 5cm lateral to external osStructure presentParacervical/ parametrial lymph nodeObturator lymph nodeDose of radiation7000-8000cGy4000-6000cGy