Biomedical subjects
Publications and source records attributed to U Conti.
The Authors describe a case of elastofibroma in its typical location; the most interesting aspect of this lesion is the microscopic appearance. The benignity of this lesion is absolute, from the clinical and microscopic points of view.
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Immediate and long-term results in 250 PSP operations associated with WSP in 116 cases are reported. Complications and failures are described and evaluated, while their causes and possible connection with the type of operation employed are explained. Examinations carried out in the assessment of long-term results are described and justified. It is felt that both operations are to be recommended. WSP, in particular, is considered a useful innovation in surgical repair of the bilopancreatic juncture.
A personal series of cases in which surgical management was employed in the treatment of stomach cancers is presented. Total resection is recommended as a method of choice, followed by reconstruction of oesophago-intestinal continuity by interposing an excluded jejunal loop.
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The present paper reports an updated dosimetry of dental radiology since it presents the data relative to 7 radiological techniques. The doses to 9 organs were measured on a Randoman phantom using TLD (4 in each chosen cavity) for lenses, tongue, cervical vertebrae (C2), thyroid, ovaries, uterus and testes. The examinations were subsequently repeated after applying X-ray shields to the phantom. The main conclusions follow: a) local doses are never negligible but can be really high, especially for tongue (1.880 mGy), thyroid (1.011 mGy), and C2 (0.699 mGy); b) X-ray shields for lenses, ovaries, uterus and testes have proven to be unnecessary; in a more general context, X-ray shields should be evaluated by the Health Physics Dept., especially relative to radiation leaks from the X-ray tube. As for the thyroid, X-ray shields have proven very useful but can result in repeated acquisitions because of possible interference with the radiological image; c) technicians' risk, in the present experimental conditions, does not exceed the threshold values recommended by Italian laws. At any rate, the use of fixed or mobile shieldings should always be evaluated while keeping in mind the specific working conditions in radiology departments.
Surgical treatment of multinodular goiter is still now discussed: total versus subtotal thyroidectomy. Advantages of partial thyroidectomy are the low incidence of laryngeal nerve injury and the low risk of hypoparathyroidism. Disadvantages are the increased recurrent disease, the risk of carcinoma, the elevated possibility of laryngeal nerve lesions and permanent hypoparathyroidism after reoperations. Own experience regarding 401 thyroid operations is reported; 60 patients were operated for multinodular goiter; 48 subtotal and 12 total thyroidectomy were performed. Among those 1 (1.65%) inferior laryngeal lesion and 1 (1.65%) permanent hypoparathyroidism occurred. Anatomic knowledge and correct surgical procedure give a reduction in the mobility of total thyroidectomy which in selective case can be considered the treatment of choice.
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