<prompt> Bilateral recurrent laryngeal nerve palsy is seen in -ThyroidectomyCarcinoma thyroidCancer cervical oesophagusAll of the above  <response>: Causes of bilateral recurrent laryngeal nerve palsy are: IdiopathicPost thyroid surgeryThyroid malignancyCarcinoma of cervical part of esophagusCervical Lymphadenopathy.NOTE:Peripheral neuritis causes high vagal palsy which leads to both superior as well as recurrent laryngeal nerve palsy i.e. bilateral complete palsy. 