[Differential diagnosis in osteoporosis].

Osteoporosis is a so called metabolic osteopathy. Under this term alterations are included concerning primary the bone tissue, but in consequence disable bone organs. Into this group of affections belong also the osteomalacia, the parathyreogenic osteodystrophy, the osteosclerosis caused by systemic changes of the bone tissue turn-over and furthermore different combinations of such alterations. For their principal diagnosis in every single case the histological findings are most important for their pathogenetic differentiation and for the (therapeutically and diagnostically important) individual specification anamnesis, X-ray findings and several biochemical parameters are important.