Author information from the last article
Articles by Jon Berg-Johnsen
Endoscopic four-hands technique for pituitary tumours
- Markus Wiedmann,
- Ida Olesrud,
- Aslan Lashkarivand,
- Sinan Dheyauldeen,
- Ansgar Heck,
- Jon Berg-Johnsen,
- Daniel Dahlberg
22.06.2023:
Tumours in the pituitary fossa region can be resected by endoscopic transnasal surgery using a four-hands technique. The technique, which is atraumatic, safe and minimally invasive, should be the first-line treatment for pituitary tumours and certain skull-base tumours. The surgical microscope has...
Atlantoaxial rotatory fixation – a cause of torticollis
- Jarle Sundseth,
- Jon Berg-Johnsen,
- Sigrun Skaar-Holme,
- Mark Züchner,
- Frode Kolstad
05.03.2013:
Atlantoaxial rotatory subluxation is a rare condition which was described for the first time by Sir Charles Bell in 1830 (1). It appears for the most part only in children (2) – (4) (Fig. 1). When subluxation of the atlantoaxial joint persists and gives rise to torticollis, it is called...