Dilatation of the renal pelvis, ureters and bladder appeared in two brothers with myotonic dystrophy (aged 26 and 29 years), probably as a result of involvement of the smooth muscles of these organs. Histochemical differentiation of skeletal muscle fibres (main fibre types I and II, after Engel) indicated a predominant size reduction in type I fibres on demonstrating myofibrillary ATPase. In addition, demonstration of this enzyme also revealed a marked shift of the fibre type proportions in favour of type I. Isolated reduction in gammaG-globulins was also demonstrated. A defect of cellular and humoral response was excluded.
Freie Vortr~ge mit Diskussionen 853 sph~rischen Bohrung jedes Plattenlochs ergibt sich eine gr5Dere Vielseitigkeit, mud durch den Wegfall des Plattenspanners kann die Freilegung des Knochens auf ein Minimum reduziert werden. Davon profitieren speziell Vorderarm-und Acetabulumbriiche. Sofern der Zugang keine Probleme stellt (z.B. am Femur) empfiehlt sich weiterhin der abnehmbare Plattenspanner. Die DCP wurde bisher bei fund 2000 Osteosynthesen unserer Kliniken angewendet. Die Erfahrungen und Resultate sind dabei sehr befriedigend.Summary. An objective and permanent record of sounds produced by the knee during movement is obtained by attaching a modified crystal microphone to the patella. The sig~lals from the microphone are filtered, amplified, and stored by a tape recorder, together with a record of the corresponding degrees of flexion. Visual interpretation of the sound recordings and preliminary computer analyses show clear differences between healthy and diseased joints.
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