Page 146 - Clinical Anatomy

ECA2 7/18/06 6:43 PM Page 131

The bony and ligamentous pelvis 131

Fig. 96 Pelvic variations
and abnormalities—
shown as diagrammatic
outlines of the pelvic
inlet.

ture, congenital abnormality due to thalidomide and the Naegele pelvis
which is due to the congenital absence of one wing of the sacrum or its
destruction by disease.

Clinical features

Fractures of the pelvis
These may be isolated lesions due to a localized blow or may be displace-
ments of part of the pelvic ring due to compression injuries. Lateral com-
pression usually results in fractures through both pubic rami on each side,
or both rami on one side with dislocation at the symphysis; anteroposterior