This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Pyometra commonly occurs following : 
Select and explain. 
A. Carcinoma endometrium, B. Carcinoma cervix, C. Carcinoma urethra, D. Senile endometritis
A: Carcinoma endometrium
Answer: A: Carcinoma endometrium 
Explanation: Ans. is a i.e. Carcinoma Endometrium Pyometra is collection of pus or mixture of pus and blood within the uterus Causes : Most common cause 2"d most common cause : Other causes : Congenital atresia of the vagina/cervix. Stenosis of cervix / vagina following : - Operations - Burns Radiotherapy Endometritis : Senile Tuberculous Puerperal Carcinoma : - Ca endometrium (most common)deg Ca cervix - Ca corporis