This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Pathology
[{'content': 'Rokitanski protruberences are seen in - \nSelect and explain. \nA. Mucinous carcinoma, B. Teratoma, C. Epidermal cystoids adenoma, D. Papillary carcinoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Rokitansky nodules/protuberance: These are one or more foci of rounded nodular structure/s, covered with hair protruding into the lumen of the cyst. These are also known as the mammillary body (tubercle) and dermoid nipple. It shows the greatest variety of tissue types of all three germ cell layers and teeth tend to be located at this site.', 'role': 'assistant'}]