Proximal airway obstruction caused by adenoid cystic carcinoma in a pregnant woman: A case report.

Respiratory tumours are very rare during pregnancy. Here, we report a case of a primigravida woman diagnosed at 27 weeks' gestation with stridor and dyspnoea, and a primary tracheal tumour. To the best of our knowledge, this is a 4th case report of tracheal adenoid cystic carcinoma during pregnancy.