<prompt> Bilateral recurrent laryngeal nerve palsy is seen in all exceptThyroid carcinomaLymphadenopathyThyroid surgeryAoic aneurysm  <response>: Thyroid surgery, Carcinoma thyroid, Cancer of cervix, oesophagus and Cervical lymphadenopathy are the causes of Bilateral recurrent laryngeal nerve paralysis Ref: PL Dhingra Textbook of Ear, Nose and Throat, Edition 6, page - 299 