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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Laryngocele arises from which of the following structure?
assistant
The correct answer is  Laryngocele represents an air filled dilatation of the ventricular saccule that communicates with the laryngeal lumen. Laryngocele are of two types internal and external. Internal arises from within the laryngeal ventricle and remains within the larynx External type arises from the laryngeal ventricle and expands into the neck through the thyrohyoid membrane. Patients often presents with swelling in the neck which becomes more obvious with Valsalva maneuver. In advanced cases they develop stridor, dysphagia and paroxysmal cough.