Double-contrast shoulder arthrograms were performed in 20 patients at an average of 30 months after operative repair of a torn rotator cuff. In 18 out of 20 shoulders the contrast medium leaked into the subacromial bursa indicating a defect in the rotator cuff. Despite this, 17 patients had complete relief of pain and 15 had a full range of shoulder elevation. The results suggest that a completely watertight closure is not essential for a good functional result, and that arthrography may not be helpful in the investigation of failure of repair.
Metastases in the bones of the hands and feet are rare. The literature relating to these tumours has been reviewed, and 43 new cases are reported. In the cumulative total of cases, metastases to the hand outnumber those to the foot 2:1 (196 cases as against 94). Bronchial carcinoma is the most common neoplasm metastasising to the hand. Subdiaphragmatic neoplasms such as gastrointestinal, vesical, renal and uterine malignancies, metastasize more frequently to the foot. A possible explanation for this latter finding is the retrograde spread of tumour emboli from the vertebral venous plexus down incompetent leg veins.
Needle biopsies, performed on 208 consecutive patients and interpreted at the London Bone Tumour Service over a two-year period, were reviewed. A correct diagnosis was reached in 97% (133 out of 137) using this technique alone. Needle biopsy is safe and accurate when undertaken in consultation within a bone tumour service; it offers considerable advantages to both patient and surgeon over conventional open biopsy.
Fractures of the scapula due to direct violence are relatively common. Wilber and Evans [18] reported 40 scapular fractures and reviewed the literature. All those injured had received direct trauma to the shoulder and they were able to divide their cases into two groups, based on anatomical location and functional results. Scapular fractures due to avulsion of the muscular attachments are uncommon and, as reports of these injuries in the literature are usually confined to single cases, no classification has been established which takes account of the anatomical sites at which these fractures occur and the mechanism of injury involved. In this paper the more common sites of avulsion injury of the scapula are described and illustrated by case reports. In several of these the skeletal injury resulted from muscle contraction against a resisted force on the upper limb during the course of an accident. This mechanism has been implicated in fractures of the coracoid and acromion, but is shown in this paper to contribute to other avulsion fractures.
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