BMD decreased in the treated hip, suggesting a positive effect of surgical correction in relieving stresses within the hip joint. Longer term follow-up is required to assess the ultimate fate of the articular cartilage within the joint. This study showed that surgical correction of the cam deformity in patients with FAI may alter the pathological biomechanics within the joint.
A case of a 71-year-old female patient with osteochondrosis dissecans of the right temporomandibular joint is presented. Osteochondrosis dissecans usually occurs at the weight-bearing convex cartilage in all larger joints. It is rarely found in the temporomandibular joint and usually shows one or two loose bodies dislodged from defects which are present on the condylar head. Because of multiple loose bodies and a defect on the temporomandibular fossa, the case presented here is very uncommon.
We report on a comparative anatomical investigation of hip joints from animals which can walk on two legs or use their distal legs for jumping. The investigation supports the results of Bläsius [1] that the hip is not congruent. The cartilage of the load induction area is thicker. This means that one can only see congruency on X-rays, because cartilage cannot be visualised.
While many theoretical approaches to security engineering exist, they are often limited to systems of a certain complexity, and require security expertise that is not widely available. Additionally, in the practice of information system development security is but one of many concerns that needs to be addressed, and security concerns are often dealt with in an ad hoc manner. Security patterns promise to ?ll this gap. Patterns enable an ef?cient transfer of experience and skills. However, representing and selecting security patterns remains largely an empirical task. This becomes the more of a challenge as the number of security patterns documented in the literature grows, and as the patterns proposed by different authors often overlap in scope. Our contribution is to use a more explicit representation of the forces addressed by a pattern in the description of security patterns, which is based on non-functional requirements analysis. This representation helps us decide which patterns to ap-ply in a given design context, and anticipate the effect of using several patterns in combination. Speci?cally this chapter describes an approach for selecting security patterns, and exploring the impact of applying these patterns individually, and in concert with other patterns.
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