Klippel-Feil syndrome is a rare disease, initially reported in 1912 by Maurice Klippel and André Feil from France, characterized by the congenital fusion of any 2 of the 7 cervical vertebrae.
Transjugal-transoval route of Hartel was first described by Hartel in 1912, for alcohol injection at the level of the Gasserian ganglion to treat trigeminal neuralgia. Then this route was extensively used with the same indication for performing percutaneous destructive procedures of the trigeminal system, by thermocoagulation, balloon compression or glycerol injection.
Cushing's name is commonly associated with his most famous discovery, Cushing's disease. In 1912 he reported in a study an endocrinological syndrome caused by a malfunction of the pituitary gland which he termed “polyglandular syndrome.” He published his findings in 1932 as “The Basophil Adenomas of the Pituitary Body and Their Clinical Manifestations: pituitary Basophilism”.
Although the translabyrinthine approach was described by Panse in 1904 and first used to resect a cerebellopontine angle tumor by Quix in 1912, it was not until House published 47 resections with no mortalities in 1964 that the approach was truly popularized 1)