Labels:text | screenshot | black and white | black | font | book | document OCR: Uporosis, There are several classifications for oste primary For many years it has been separated in ted osteoporosis (osteporosis without assoc disease), and secondary osteoporosis (w associated conditions) (Fig. 18.17). ed in A separate classification has been propo d into type which primary osteoporosis is subdivid he type-I I (postmenopausal) and type II (senile). ar bone, variant predominantly involved trabec uent in occurs at an early age, is much more fre ebral women, and is often complicated by ver en and fractures. The type-II variant occurs in r e group, women, is more common in the older Some thogenic and is often complicated by hip fracture workers have suggested that different p ms: type I d type II events may be involved in these two fo due primarily to oestrogen deficiency, ...
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