This document discusses different types of acetabular fractures including transverse, T-shaped, and both-column fractures. Transverse fractures are classified as transtectal, juxtatectal, or infratectal based on their location through the acetabular dome or fossa. Transtectal fractures require anatomical reduction while infratectal fractures may not need surgery depending on the pattern. T-shaped fractures disrupt the obturator ring and iliopectineal and ilioischial lines but do not involve the iliac wing, differentiating them from both-column fractures. CT scans can further classify fractures in the coronal or sagittal planes.

1. ACETABULAR
FRACTURE
JR Orthopaedics-4

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WALL #

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POSTCOLUMN#

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ANT WALL #

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ANT COLUMN #

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12. TRANSVERSE FRACTURE
• 1. Transtectal: through the acetabular dome.
• 2. Juxtatectal: through the junction of acetabular dome &
• fossa acetabuli.
• 3. Infratectal: through the fossa acetabuli.
• Transtectal fractures are less forgiving and must be
• reduced anatomically, whereas infratectal fractures, if
• low enough, can be treated without surgery,
• depending on the pattern.

14. CT CUT OF TRANSVERSE FRACTURE IN THE
SAGITTAL PLANE

15. A.Coronal plane fracture
B.Sagittal plane fracture

16. Posterior Column-Posterior Wall

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IMPACTION

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22. T-SHAPED FRACTURE
• The T-shaped fracture is similar to a both-column fracture in that it
disrupts the obturator ring.
• Another similarity is disruption of both the iliopectineal and ilioischial
lines.
• However, the superior extension of the fracture does not involve the
iliac wing, which allows differentiation from the both column fracture.
• not actually in the anatomic transverse plane, but rather it is
transverse relative to the acetabulum.

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POST COL #

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34. • Thank you