Investigation using dye to find out stone in salivary gland: (A) Sialography, (B) Mammography, (C) MR angiography, (D) USG
Answer is A. Dye used is lipiodol or sodium diatrizoate(Hypaque).24-gauge cannula is passed into either Stenson's duct or Whaon's duct and one ml of the dye is injected into the duct and X-ray is taken. SRB,5th,406.