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The Shoulder Girdle and Thoracic Cage – Supplement (Online Only)


THE SCAPULA

FIGURE 5S-1, Normal appearance of the ossification centers of the coracoid processes in a 5-year-old boy.

FIGURE 5S-2, The apophysis of the coracoid process mistaken for a fracture in a 14-year-old boy.

FIGURE 5S-3, A, B, Persistent primary coracoid apophysis in an adult.

FIGURE 5S-4, The synchondrosis of the base of the coracoid in a 15-year-old boy that simulates a cleft in the glenoid, as seen in axillary projection.

FIGURE 5S-5, Failure of union of the secondary apophysis of the coracoid persisting as a separate bone, the coracoid bone.

FIGURE 5S-6, Unusually long and stout acromion processes in a 6-year-old boy.

FIGURE 5S-7, Unusually stout acromion in an adult.

FIGURE 5S-8, A, B, Normal closing acromial apophyses. Note the irregular mineralization and density of the center in B.

FIGURE 5S-9, Persistent apophysis of the acromion in a 17-year-old boy. The opposite side was closed.

FIGURE 5S-10, The apophysis of the end of the acromion in a 16-year-old boy should not be mistaken for a fracture.

FIGURE 5S-11, The os acromiale may occasionally be seen in the frontal projection (left) and in the axillary projection (right).

FIGURE 5S-12, A, B, Os acromiale with crenated appearance of the acromion.

FIGURE 5S-13, Normal fossae in the acromion process simulating a destructive lesion.

FIGURE 5S-14, The ring apophysis of the glenoid fossa in children. A, An 8-year-old boy. B, A 13-year-old boy.

FIGURE 5S-15, Secondary centers of ossification of the glenoid. Note the large apophysis at the superior margin.

FIGURE 5S-16, Failure of fusion of the apophysis at the superior margin of the glenoid in an adult.

FIGURE 5S-17, Persistent glenoid apophysis in a 65-year-old man.

FIGURE 5S-18, Small ossicle at the margin of the glenoid fossa that may represent a remnant of the apophysis. Left, Frontal projection. Right, Axillary projection.

FIGURE 5S-19, A, B, Bilateral small excrescences on the inferior neck of the scapula adjacent to the glenoid that are of no clinical significance.

FIGURE 5S-20, An example of normal but apparently separated acromioclavicular joints. Note also the unusual width of the joint.

FIGURE 5S-21, An infrascapular bone that was mistaken for a lung lesion.

FIGURE 5S-22, An infrascapular bone simulating a rib fracture.

FIGURE 5S-23, Hooklike configuration of the distal angle of the scapula.

FIGURE 5S-24, Double cortical lines of the scapular spine in a 3-year-old child.

FIGURE 5S-25, Double contour of the upper margins of the scapulae.

FIGURE 5S-26, The superior end of the body of the scapula simulating a fracture fragment.

FIGURE 5S-27, The margin of the scapular fossa simulating a wire or catheter.

FIGURE 5S-28, Foramen in the wing of the scapula.

FIGURE 5S-29, Tangential views of the scapula with simulated fractures produced by the overlapping shadow of the free border on the body of the scapula.

FIGURE 5S-30, Large nutrient foramen of the scapula.

FIGURE 5S-31, Vascular groove in the neck of the scapula.

FIGURE 5S-32, Branched vascular channel in the scapula simulating a fracture.

FIGURE 5S-33, Marked accentuation of the trabecular pattern of the scapula in a 49-year-old woman. CT and MRI showed no abnormality.

FIGURE 5S-34, Simulated dislocation of the right shoulder secondary to positioning in an elderly individual.

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