<prompt> A rapidly destructive infection of nose and paranasal sinuses in diabetics is:HistoplasmosisSporotrichosisMucormycosisSarcoidosis  <response>: Mucormycosis It is a fungal infection of nose and paranasal sinuses which may prove rapidly fatal. It is seen in uncontrolled diabetes or in those taking immunosuppressive drugs Ref Dhingra 6e,p 159 