Biomedical subjects
Publications and source records attributed to R A Drury.
We present a case of cystic myxomatous degeneration of the femoral vein. The features are similar to those found in the equivalent disease of arteries. It is suggested that it may occur in veins as an unusual and rare late sequel of venous thrombosis and recanalisation. A search of the literature has revealed only one previously reported case.
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A world-wide comparative study of the frequency and characteristics of latent carcinoma of the prostate was undertaken in seven areas, using standardized methods and "blind" microscopic evaluation in order to reduce selection and observer bias. The morphological features of 350 latent carcinomas found in 1,327 prostates were examined. Two Chinese populations, from Hong Kong and Singapore, showed a low frequency of latent carcinoma in comparison with western Europeans in Sweden and the Federal Republic of Germany and negroes from Jamaica; an intermediate position was found for Israelis and black Ugandans. The frequency of small latent carcinomas was about 12% in all the areas investigated and did not vary with age. Rates for larger latent carcinomas increased sharply with age ans showed an area-to-area variation resembling that of clinical carcinoma of prostate. The small carcinomas were almost exclusively situated in the outer half of the prostate and latent carcinomas of all sizes were evenly distributed between the anterior and posterior halves of the prostate and the right and left sides of the outer prostatic shell. Certain disagreements in diagnosis were noted when the sections from each area were evaluated independently by a different pathologist. Most of these disagreements were resolved by re-reading the sections; their occurrence had no significant effect on the geographical comparisons.
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Argentaffin carcinoma (carcinoid tumour) of the ileum has been found to be associated with ischaemic ileal necrosis due to elastic sclerosis of the mesenteric blood vessels. This vascular change was present in 17 out of 25 ileal tumours, all of them invasive, but was absent in 75 appendicular, rectal, and other carcinoids. The pathology is described and essential points of difference are noted from the cardiovascular changes in the carcinoid syndrome. This elastic vascular sclerosis may be due to a product of the tumour and constitute an additional component of the complex range of changes that makes up ;the carcinoid spectrum'.
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