<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: All of the swelling moves with deglutition except: March 2012
Options:
A. Thyroglossal cyst
B. Thyroid swelling
C. Branchial cyst
D. Tuberculous lymph nodes
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is C: Branchial cyst. Explanation: Ans: C i.e. Branchial cyst Swellings which are adherent to the larynx and trachea moves on swallowing, e.g. thyroid swelling, thyroglossal cyst & subhyoid bursitis. Tuberculous & malignant lymph nodes when they become fixed to the larynx or trachea will also move on deglutition<|im_end|>
