Category Medical Specialty
Fred Lange-Nielsen (1919-1989) 680

Fred Lange-Nielsen

Fred Lange-Nielsen (1919–1989) Norwegian physician and Jazz musician. 1957 with Anton Jervell, defined syncope, LQTS and congenital deaf (JLNS)

Anton Jervell (1901-1987) 680

Anton Jervell

Anton Jervell (1901 – 1987) was a Norwegian physician with Fred Lange-Nielsen, described syncope, LQTS and congenital deafness (JLNS) in 1957

winking owl sign 680

Winking owl sign

One of the first signs of vertebral metastases is disappearance of the pedicle on the AP X-ray. This is known as the 'absent pedicle' or 'winking owl sign'.