[Gianfranco Lenti (1917-1988)].
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Biomedical subjects
Publications and source records attributed to M De Simone.
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An original surgical method for gonadal protection in young women given pelvic radiation for Hodgkin's disease is presented. Lateral high ovarian transposition (LHAO) consists of the transposition of the ovaries into the paracolic gutter during staging laparotomy, after disconnecting the gonads from the fallopian tubes by dividing the tubo-ovarian vessels. The technique's effectiveness was assessed by a study using clinical investigation, radioimmunoassay (RIA) determination of sex hormones, and dosimetry; of 18 patients treated, 10 participated in the study. All but one have normal menses and hormone values, and one pregnancy occurred. We also calculated the doses absorbed by the ovaries and proved that, during inverted Y irradiation following LHAO, the ovaries are exposed to nearly one-half the dose they receive after traditional medial transposition. During subtotal nodal irradiation after LHAO, the irradiation dose is higher than after medialisation, but absolute values are minimal and castration is not induced.
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Some aspects of the immunocompetent system are tested in 84 lung cancer patients at time of diagnosis and during the natural course of the disease. Results show no significant variations for many immunological tests during the course of the neoplasia. Significant alterations are observed in T-lymphocyte and macrophage evaluation. Moreover, some immunological data are related to lung cancer post-surgical survival.
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Two cases of congenital diaphragmatic hernia affecting the central tendon are described. The anatomic, etiologic, pathogenic and clinic characteristics of this uncommon disease are then discussed. Finally some considerations about indications on how to operate on these congenital hernias and different repairing surgical techniques are made.
Aspecific immunosuppression in neoplasia has long been known, even though all its biological aspects are not yet fully understood. Inhibition of leukocyte migration (LIF) was studied before and after the use of levamisole in vitro to determine whether changes occurred in cell reactivity. The results of the investigation are discussed in the light of modern immunopathological theories.
A case of solitary plasmacytoma of the lung is presented. The patient is still alive three years after surgery. The anatomical and clinical features of this rare form are discussed. Stress is laid on the fact that diagnostic certainty can only be obtained immunopathologically. It is also recommended that patients be subjected to radiological and laboratory examination in the postoperative period, and every six months for several years, to detect the possible occurrence of multiple myeloma.
Two cases of pulmonary hernia, different in etiology and therapeutic indications, are described. We are discussing, then, anatomic, etiologic, pathogenic and clinic characteristics of this uncommon disease. At last, Authors, are making some considerations about indications on how to operate on pulmonary hernias and different repairing surgical technics.
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In spite of improvements in diagnosis and treatment, the fatal prognosis of lung cancer has persisted over the course of 25 years in a series of nearly 4000 patients. Only 30% (1149 cases) were operable, and on 23% of those resected (i.e. 7% of the total) survived for 5 years. An assessment is made of the relationship between survival and sex, age, tumour size and site, radiological picture, stage of invasiveness, type of surgery and degree of radicality, histological picture, and number of circulating lymphocytes. Age, sex and the type of resection (lobectomy or pneumonectomy) had no relation to prognosis. Palliative surgery was always associated with a fatal prognosis, as were cases with invasion of the chest wall, or, more particularly, with oat cell cancers. The outlook was more favourable in cases where radical treatment was given, in cases of squamous cancer, as opposed to other histological types, in those in stage 1 (Am. Joint Committee classification), and those with greater than 2000/mm3 lymphocytes--especially in adenocarcinomas.
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