a rare fibrous induration of the thyroid gland, with adhesion to adjacent structures, which may cause tracheal compression.
Riedel,Bernhard M.C.L., German surgeon, 1846-1916.
Riedel disease - Synonym(s): Riedel thyroiditis
Riedel frontal ethmoidectomy
Riedel lobe - tonguelike process extending downward from the right lobe of the liver lateral to the gallbladder. Synonym(s): lobus appendicularis; lobus linguiformis
Riedel struma - Synonym(s): Riedel thyroiditis
Riedel syndrome - Synonym(s): Riedel thyroiditis