Findings at the atlanto-odontoid joint in 10 untreated patients with Laron syndrom
| Patient No. | Imaging Studies | Os Odontoideum | Myelomalacia | Degenerative Changes | Compression of SAS |
|---|---|---|---|---|---|
| 1 | MR, LC, OM | – | – | + | + |
| 2 | MR, LC, OM, F/E | + | + | – | + |
| 3 | MR, CT, LC, OM, F/E | + | + | – | + |
| 4 | LC, OM, F/E | + | NA | – | NA |
| 5 | MR, CT, LC, OM | – | – | + | + |
| 6 | MR, LC, OM | – | – | – | – |
| 7 | MR, CT, LC | – | – | + | + |
| 8 | MR, LC | – | – | + | + |
| 9 | MR, CT | – | – | + | + |
| 10 | MR, LC, OM | – | – | + | + |
Note.—CT indicates CT at C1-C2; F/E, flexion and extension radiographs of cervical spine; LC, lateral radiograph of cervical spine; OM, open mouth dens view; +, present; −, absent; NA, not available; SAS, subarachnoid space.