. Roentgen interpretation; a manual for students and practitioners . t is notcommon. This vertebra, owing to its tilted position, is so distortedin the average picture that its outlines are recognized with diagnosis of fracture of this body should not be made without agood stereoscopic inspection of its direct anteroposterior diameterin addition to a lateral view if possible. Transverse processes may be fractured by severe lumbar injuries,usually several vertebrte being affected. There may or may notbe considerable separation of the fragments. Fracture of the posterior ring and tra
. Roentgen interpretation; a manual for students and practitioners . t is notcommon. This vertebra, owing to its tilted position, is so distortedin the average picture that its outlines are recognized with diagnosis of fracture of this body should not be made without agood stereoscopic inspection of its direct anteroposterior diameterin addition to a lateral view if possible. Transverse processes may be fractured by severe lumbar injuries,usually several vertebrte being affected. There may or may notbe considerable separation of the fragments. Fracture of the posterior ring and transverse processes is seldom 38 FRACTURES AND DISLOCATIONS directly shown. They may be diagnosed by the change in the rela-tions of the vertebrEe at the site of the lesion, usually a slight rota-tion or angulation so that the spinous processes of the vertebreeabove the lesion are out of line with those of the one below. Thiscondition is to be differentiated from the slight lateral deviationswhich frequently occur in individual spinous processes Fig. 12.—Tj-pical Colless fracture. The lateral view shows the amount of deformity. Fractures of spinous processes may be suspected from deformitiesof their outlines in anteroposterior views. A lateral view, however,will usually confirm the diagnosis. Pelvis.—Pelvic fractures are usually due to violent injuries suchas falls and crushes and the resulting deformity is easily regions about the sacro-iliac and the symphysis are most fre-quently involved. A typical injury consists of fracture of the pubis FRACTURES 39 with more or less wide separation of the sacro-ihac, or fracturethrough the sacrum or iUum close to the synchondrosis. The femoralhead may be driven into the pelvis, carrying the inner wall of theacetabulum^before it. Ribs.—Fractures of the ribs are usually obvious but may be over-looked in the overlapping axillary shadows. Slight rotation of thepatient will bring the suspected area into
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