Metaphyseal and Rib Fractures in Child Abuse
Metaphyseal and Rib Fractures in Child Abuse
Metaphyseal and Rib Fractures in Child Abuse
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Jeremy Tucker, HMS IV<br />
Gillian Lieberman, MD<br />
Chondro-<br />
Osseous<br />
Junction<br />
Kle<strong>in</strong>man, PK. Diagnostic Imag<strong>in</strong>g of <strong>Child</strong> <strong>Abuse</strong>, Second Edition. 1998.<br />
Physis: Chondrocytes<br />
grow <strong>in</strong> zones of<br />
proliferation <strong>and</strong><br />
hypertrophy <strong>and</strong> then<br />
calcify matrices<br />
between their columns<br />
<strong>in</strong> zone of provisional<br />
calcification.<br />
(growth plate or epiphyseal plate)<br />
Metaphysis: vascular<br />
channels <strong>in</strong>vaded<br />
chondrocytes but<br />
<strong>in</strong>tercolumnar<br />
calcification persists,<br />
eventually becom<strong>in</strong>g<br />
m<strong>in</strong>eralized osteoid.<br />
(distal metaphysis = primary<br />
spongiosa)<br />
21
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