Haudek niche

Hau·dek niche

(haw'dek),
an archaic term for the radiographic appearance in profile of contrast material filling a gastric ulcer in the wall of the stomach.

Haudek,

Martin, Austrian radiologist, 1880-1931.
Haudek niche - an obsolete term for the radiographic appearance in profile of contrast material filling a gastric ulcer in the wall of the stomach.