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: Surgery
[{'content': 'Which is a communicating hydrocele? \nSelect and explain. \nA. Vaginal hydrocele, B. Hydrocele of the cord, C. Infantile hydrocele, D. Funicular hydrocele', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Funicular hydrocele Communicating hydrocele: (a) Funicular hydrocele, and (b) Congenital hydrocele. a. Funicular Hydrocele: Processus vaginalis remains patent up to the top where it is shut off from the tunica vaginalis. Diagnostic features: (i) The swelling is inguinal rather than scrotal. (ii) The test is it can be felt separate! (iii) Other features are similar to those of congenital hydrocele. b. Congenital Hydrocele: In this condition the processus vaginalis remains patent so there is direct communication of the tunica vaginalis with the peritoneal cavity. The communicating orifice at the deep inguinal ring is too small for the development of a hernia.', 'role': 'assistant'}]