Bone Imaging
Bone Imaging
Bone Imaging
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M. Perthes<br />
• most frequent aseptic necrosis<br />
• etiology unknown<br />
• head and neck of the femur<br />
• 5 th -10 th year of age<br />
• X ray signs delayed 6 weeks after<br />
clinical symptoms<br />
• bones shorter, unhomogeneous<br />
with foci osteosclerosis and<br />
osteoporosis<br />
• later fragmentation and deformity
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