“…Since CARLSTEN first used Lipiodol in sialography, iodinated oils, or similar media, such as Lipiodol-UItrafluid or Pantopaquc, have been considered as contrast media of choice in sialography by various workers (10,12,13,16,17). The oily media may, however, because of their viscid nature, impair the function or even damage the tissues of the salivary gland (7).…”