This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'Pseudomyxoma peritonei occurs in \nSelect and explain. \nA. Mucinous cystadenocarcinoma of ovary, B. Carcinoma endometrium, C. Ovarian dermoid, D. Fibroid uterus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: i.e. (Mucinous cystadenocarcinoma of the ovary): (375-388-Shaw9s 15th) (1003-Bailey & Love 25th) (476-CSDT 13th)PSEUDOMYXOMA PERITONEI* Caused by low grade mucinous cystadenocarcinomas of the appendix or ovary* Recent studies suggest that most cases arise from a primary appendiceal tumour with secondary implantation on to one or both ovaries* The abdomen is filled with a yellow jelly, large quantities of which are often encysted* Painless and there is frequently no impairment of general health* Pseudomyxoma peritonei does not give rise to extraperitoneal metastasis* CT and USG shows a distinctive peritoneal scalloping of the liver margin, calcified plaques, ascites and low density masses* The appendix if present should be excised together with any ovarian tumour**** Adjuvant intracavitary radiotherapy - for residual disease**', 'role': 'assistant'}]