By Prof. Dr. Cornelis Jacob Pieter Thijn (auth.)
It is a smart excitement to introduce this booklet and its author to the reader. Dr. Thijn has been drawn to double distinction experiences for the reason that he wrote his thesis at the double distinction examina tion of the colon. it should sound facetious to nation that when he exhausted this box, he was once short of another region the place an identical strategy can be used. besides the fact that, within the related special and thorough manner as in his colon stories, he has tested the knee joint. in view that the knee is likely one of the so much seriously taxed joints in guy, with a large number of afflictions, lots of them heavily hooked up with the age of the person, radiological investiga tion has proven only a few suggestions over the many years. the genuine anteroposterior and lateral projections have been ~ and nonetheless are ~ the mainstay of the research. Projections of the intercondylar fossa, and real patellar projections have been used by the way. simply ahead of international conflict II the arrival of arthrography as a double distinction research, as promoted by means of Oberholzer, used to be a true breakthrough.
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Extra resources for Arthrography of the Knee Joint
48. Medial meniscus. Rupture type IIc. Partly detached central meniscal margin (arrow). Verification by arthroscopy 39 margin, the detached part remaining in contact with the anterior or the posterior horn of the meniscus (Figs. 47 and 48). Particularly in meniscal ruptures of this type (II c), exact depiction of the central margin is important, because this often shows lesions. The usually reversed, partly separated portion of the meniscus is often visible above the peripheral part of the meniscus (Figs.
In this context it is to be noted that transverse ruptures, found mainly in the lateral meniscus, have been included in this category. Fig. 49. Lateral meniscus. 4 Transverse Ruptures These ruptures, indicated as type IV in Fig. 33 and found mainly in the lateral meniscus, are rarely identifiable as such by ar40 Fig. 50. Lateral meniscus. Fish mouth rupture Fig. 51. Lateral meniscus. Fish mouth rupture. Arthroscopy: corroboration thrography. At best, the central margin of the meniscus is slightly irregular, which may raise suspicion that a rupture exists at this site.
In some cases it may be necessary to differentiate from synovial hypertrophy or a mobile flocculus of Hoffa's body (Fig. 150). Longitudinal ruptures of types II a, II b, and II c were found in 33 % of meniscallesions (Table 1). As expected, the medial meniscus was involved in the majority of cases (41 %). 3 Fish Mouth Ruptures In these cases a horizontal rupture of the meniscus causes the central margin to assume the shape of an open fish mouth by arthrography (Figs. 49-51). According to Smillie (1975), fish mouth ruptures are most likely to be found in degenerated menisci.
Arthrography of the Knee Joint by Prof. Dr. Cornelis Jacob Pieter Thijn (auth.)