This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
[{'content': 'Laryngocele arises as a herniation of laryngeal mucosa through the following membrane \nSelect and explain. \nA. Thyrohyoid, B. Cricothyroid, C. Cricotracheal, D. Crisosternal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Laryngocele arises as a herniation of laryngeal mucosa through the Thyrohyoid membrane. It is dilatation of laryngeal saccule and extends between the thyroid cailage and the ventricle. It may be internal, external or combined. Treatment is endoscopic or external excision. Ref: PL Dhingra 7th edition of Ear, Nose and Throat, pg no. 345', 'role': 'assistant'}]