Table
XIV shows that disc pinching was the most common anomaly with 59.3%.
*Computed tomography (CT)
The previous herniated disc was not found in any
patient. All cases were of the posterior type as summarized in Table XV
below.
Table XV. Distribution of patients by type and subtype
of lumbar disc herniation at CT.
|
Imaging Diagnosis
|
Number of patients
|
%
|
|
Herniation type
|
Sub-type
|
|
|
|
Anterior hernia
|
-
|
-
|
-
|
|
Posterior hernia
|
|
|
|
|
- Median hernia
|
80
|
50,0
|
|
- Posterolateral hernia
|
85
|
53,1
|
|
- Foraminal hernia
|
5
|
3,1
|
|
- Extraforaminal hernia
|
5
|
3,1
|
|
|
