Roger Dalrymple

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This article examines the extent to which annuitants of the Federal employee Civil Service Retirement System (CSRS) are entitled to Social Security benefits. It is based on linked administrative data files from the two systems. Ninety-one percent of all those receiving CSRS annuities in 1979 had worked at some point in their careers in jobs that were(More)
Our initial experience of 50 patients who underwent fine-needle aspiration biopsy for suspected abdominal malignant disease confirms the safety and effectiveness of the technique. A positive diagnosis of malignant tumour was made in 36 out of 42 patients who were finally shown to have malignant disease. The correct diagnosis was made on 13 out of 17(More)
A study of 20 patients with adrenal mass lesions shown on computed tomography (CT) is reported. CT accurately localized a unilateral adrenal mass in 12 patients with Cushing's syndrome, primary hyperaldosteronism and phaeochromocytoma. Unsuspected primary or metastatic neoplasms of the adrenal glands were detected in 8 patients who underwent CT for other(More)
Seven cases of subpulmonary pneumothorax are presented: four due to penetrating injury, two to blunt trauma and one to osteosarcoma metastasis. The typical and diagnostic appearance is a basal band of radiolucency bounded above by the thin hair-line of visceral pleura paralleling the dome of the hemi-diaphragm. When partially clotted blood is also present,(More)
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