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At least 271 records · Page 15Linked to original sources

Ultrasound of the shoulder joint: non "rotator cuff" lesions.

Most of the papers in the literature are on rotator cuff lesions. This paper will deal with a somewhat forgotten part of the shoulder, the joint and the nontendinous structures around the joint. Since 1985, we have performed ultrasound examinations of the shoulder. We have collected many cases and some of them will be performed. The shoulder joint can be partly examined by ultrasound. We can get some information about joint effusions, humeral head cartilage, some part of the labrum, loose bodies, ganglions and fractures around the joint. The acromio-clavicular joint is also part of the examination, leading to diagnosis of sprains, osteoarthritis and dislocations. Non rotator cuff examination of the shoulder must be a routine part of the ultrasound examination of the shoulder.

Cartilage, Articular↗

[Diseases of the shoulder joint from the orthopedic viewpoint].

The cardinal symptom in all shoulder disorders is shoulder pain. We have to differentiate between genuine shoulder pain originating from the glenohumeral joint and its periarticular structures and referred pain originating at a site distant from the shoulder joint, e.g., the cervical spine or the internal organs. The differential diagnosis of genuine shoulder pain is discussed. The options open to the radiologist for reaching a correct diagnosis in different sorts of shoulder pain are shown.

Arthritis↗

[Acute course of arthropathia syringomyelica. A case history contribution to the differential diagnosis of acute affection of the shoulder joint (author's transl)].

Basing on own observations of a typical base, the article presents the clinical and X-ray symptoms of an acute arthropathia syringomyelica of only 3 weeks' duration. Differential diagnosis of inflammatory or tumorous processes of the shoulder joint is performed and it is pointed out that accurate diagnosis is possible despite the rare occurrence of the condition. Contrary to the opinion held by other authors, the present study seems to permit the interpretation that destruction of the joint originates from the bony joint mouse.

Acute Disease↗

A proposal for a new definition of the axial rotation angle of the shoulder joint.

The Euler/Cardan angles are commonly used to define the motions of the upper arm with respect to the trunk. This definition, however, has a problem in that the angles of both the horizontal flexion/extension and the axial rotation of the shoulder joint become unstable at the gimbal-lock positions. In this paper, a new definition of the axial rotation angle was proposed. The proposed angle was stable over the entire range of the shoulder motion. With the new definition, the neutral position of the axial rotation agreed with that in the conventional anatomy. The advantage of the new definition was demonstrated by measuring actual complex motions of the shoulder with a three-dimensional motion capture system.

Adult↗

[Luxation of the shoulder joint in a horse. A case report].

Etiology, diagnosis and therapy of the luxation of the shoulder joint in the horse are described. The traumatic luxation is diagnosed by physical examination and radiography. Without complicating changings (like fractures) and in case of early correction the prognosis is good.

Animals↗

Shoulder joint replacement for osteoarthrosis in association with thalidomide-induced phocomelia.

The natural history of thalidomide-induced phocomelia has not yet been established since only 35 years have elapsed since the problems associated with this drug became evident. This paper presents what is considered to be the first case of osteoarthrosis in such an individual treated by shoulder joint replacement. Joint arthoplasty is almost certainly going to become an integral part of the life-long rehabilitation process in such affected individuals.

Adult↗

[Paresis of the brachial plexus: subcapital varus osteotomy, arthrodesis of shoulder joint and above-elbow amputation (author's transl)].

In brachial plexus paresis with partial sensory sparing in the upper arm and complete motor paralysis we amputate through the humerus at the distal limit of sensation. The remaining proximal humerus is fixed by an arthrodesis of the shoulder joint, combined with a varus-osteotomy below the head. This increases with axillary space, facilitates the fitting of a prosthesis and improves care of the skin in this critical area. It also improves the outline of the shoulder the muscles of which shrink.

Amputation, Surgical↗

Distension arthrography of the shoulder joint.

Pain and stiffness resulting from degenerative disease of the rotator cuff of the glenohumeral joint is not always self-limiting. In a few patients, the symptoms persist despite medication and physiotherapy. Distension arthrography, a method of hydrostatic manipulation, has been used in six such patients; five recovered full range of abduction and rotation and the sixth was improved. It is concluded that distension arthrography should be part of the treatment of intractable pain stiffness of the shoulder joint.

Adolescent↗

Diagnosing patients with longstanding shoulder joint pain.

OBJECTIVE: To examine the interobserver agreement of commonly used clinical tests and diagnoses in patients with shoulder pain, and the accuracy of these tests and ultrasonographic findings in comparison with arthroscopic findings. METHODS: Eighty six patients with longstanding shoulder joint pain were "blindly" examined by two trained doctors using several clinical tests. In all patients an ultrasonographic examination was performed, and in 42 (49%) an arthroscopy. RESULTS: Tests for impingement showed poor to moderate agreement. Tenderness of muscles, muscle weakness, and tests for labral lesion also showed poor agreement. Pain during muscle contraction showed moderate agreement. The agreement of clinical diagnoses was poor and the accuracy was low in comparison with arthroscopy. Ultrasonography was accurate in full thickness supraspinatus tendon tears, but inaccurate for partial tears and labral lesions. CONCLUSIONS: Most clinical tests showed poor agreement. Clinical and ultrasonographic diagnoses had low accuracy in comparison with arthroscopy.

Arthroscopy↗

[The value of dynamic examination methods in instability of the shoulder joint].

We prospectively examined 25 patients with shoulder instability by clinical examination and by fluoroscopic and sonographic imaging. 14 patients were classified as recurrent, posttraumatic instabilities, 12 of these anterior and two posterior. Clinical examination revealed the direction of instability in 5 patients, fluoroscopy in 5 and sonography in 3 patients. 11 patients had non-traumatic recurrent instabilities. Of these, clinical examination and fluoroscopy demonstrated identical directions of laxity in 8. Sonography concurred with the other techniques in only three cases. We recommend manual instability testing followed by fluoroscopy for evaluation and documentation of patients with non-traumatic, recurrent shoulder instability. Posttraumatic instabilities should be diagnosed with other, static procedures.

Adolescent↗

Development and evaluation of the measurement system for the human shoulder joint based on the 6 DOF kinematic modelling.

Although numerical models on the shoulder complex joint are currently available, many are impractical because of the procedural complexity coupled with limited and mere simple simulations. The present study defined the clavicle-scapula system as the "base of the humerus" in determining the position of proximal head of humerus, rendering conclusive innovation of a six degree of freedom (DOF) shoulder complex joint model. Furthermore, a complete measurement system where evaluation by calibrating the actual values via the use of an electromagnetic tracking device (ETD) was developed based on the innovated model. The special calibration method using optimizing calculation to work out the rotational center of humerus was employed and actually tested if the theoretical consideration was practically available. As a result of accuracy check experiments, the measurement error was defined within 2-3 mm, indicating sufficient accuracy in studies for human movement. Our findings strongly advocate that the benefit of this novel measurement system would contribute to studies related to shoulder movements in physiological anthropology.

Biomechanical Phenomena↗

Dislocation and/or congenital malformation of the shoulder joint. Observations on a Mediaeval skeleton from Denmark.

The purpose of this paper is to present a Mediaeval skeleton of an approximately 16 year old boy, which was excavated at a Danish cemetery containing ca. 150 graves. The skeleton reveals several pathologic changes, probably due to congenital malformation. The most intriguing find is seen at both scapulae, and the changes are bilateral symmetric. Both the glenoid cavities are placed posterior but at the normal height of the bone. The joints are almost perpendicular to their normal direction. The size of the glenoid cavities is normal and the shape is rather flat in accordance to the development stage of the skeleton, where the epiphysis of the rim has not yet appeared to form the gently concave fossa as normally seen in adults. Both the surface and the borderlines of the glenoid cavities are, however, more irregular than normally at that age. The position of the joints may be caused by dislocation and/or congenital malformation which is discussed. Due to the shape of the cavities, to the symmetric bilaterality, and to the minor congenital malformations, it is primarily believed to be caused by congenital malformation. Probably the young man was not much affected by the malformation of the shoulder joints, which is indicated by the normal form and size of the humeri and the well-developed muscle attachments of the bones. The claviculae seem shorter and more twisted than normal, which may be caused by a twisting of the scapulae. So the glenoid cavities may have pointed almost in the normal direction in spite of the malformation. Other minor malformations are spina bifida of the atlas and the 5. lumbar vertebra, multiple minor changes of the joints of both feet and malformations of one metatarsal bone in both feet. Agenesi of the praemolars is also seen. Although our study of the literature, we have not succeeded in correlation our finds with any known congenital syndrome, and as far as we know no similar case has been described in clinical observation or in skeletal finds.

Denmark↗