الفهرس 
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Abstract
Correct recognition, description, and classification of acetabular is
essential for efficient patient triage and treatment. Acetabular fractures
may result from high-energy trauma or low-energy trauma in the elderly.
The most widely used acetabular fracture classification system among
radiologists and orthopedic surgeons is the system of Judet and
Letournel, which includes five elementary (or elemental) and five
associated fractures.
The elementary fractures are anterior wall, posterior wall, anterior
column, posterior column, and transverse. The associated fractures are all
combinations or partial combinations of the elementary fractures and
include transverse with posterior wall, T-shaped, associated both column,
anterior column or wall with posterior hemitransverse, and posterior
column with posterior wall.
Comparing a 3D image of the fractured acetabulum with a
standard diagram containing the 10 Judet and Letournel categories of
acetabular fracture and using a flowchart algorithm are effective ways of
arriving at the correct fracture classification.
Our study included thirty patients of variable ages diagnosed as
acetabular fracture.following history taking & clinical assessment,x-ray
examination, patients were subjected to MDCT examination.
The techniques including coronal,sagittal,3D, reconstructions and
volume rendering techniques. CT was especially useful in evaluation of
the two-column fractures in which unique information concerning the
configuration of the fracture, integrity of the acetabular dome and
quadrilateral surface, and identification of the stable fragment was
obtained. CT was also useful in determination of presence or absence of
loose bodies in the joint and in evaluation of the femoral head and
sacroiliac joint in all types of fracture.
In our study, sixteen of patients(53.3%), were with left sided
acetabular fracture.
The common cause of acetabular fracture was Road traffic
accidents (66.7%), then fall (20%) at last pedestrian (13.3%).
The most common types of fracture were posterior wall and both
column (20%) according to C.T.
Accourding to AP conventional radiography, six cases of
acetabular fracture were diagnosed ,the other twenty four cases were
accurately diagnosed by C.T.