Riedel, Bernhard M. K. L.

Riedel, Bernhard M. K. L.

(red'el)
Ger. surgeon, 1846–1916.

Riedel lobe

An anomalous tonguelike extension from the right lobe of the liver to the gallbladder.

Riedel struma

A form of chronic thyroiditis in which the gland becomes enlarged, hard, and adherent to adjacent tissues. The follicles become atrophic and fibrosis occurs.
Synonym: cast iron struma

Riedel thyroiditis

A rare form of thyroiditis characterized by fibrotic destruction of the thyroid gland. The fibrotic tissue extends beyond the capsule of the gland into the surrounding structures of the neck and may develop sufficiently to compress the trachea. The cause is unknown.