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Biomedical subjects

M Sforza

Publications and source records attributed to M Sforza.

11 recordsLinked to original sources

[Mechanical staplers. Personal experience].

The Authors briefly summarise their experience of using various types of mechanical staplers in abdominal and thoracic surgery with excellent results both in general and in terms of reducing operating times.

Adolescent

[Rare metastases].

The paper reports a number of cases of uncommon metastasis confirmed by histological tests in surgical biopsies; following a brief discussion of the literature on this topic and in particular on the basis of an earlier study by one of the authors, the paper affirms that metastasis is related to general and local biological factors, that the diffusion of neoplastic cells is an early and generalised phenomenon opposed by organic defence mechanisms, and that the concept of uncommon metastasis should be revised, without resorting to fixed anatomical references, according to a general "impregnation" of tumour cells.

Breast Neoplasms

[Contact thermography in breast pathology. A critical review].

The paper reports the Authors' experience in over 12,000 patients affected by manifest or presumed breast pathologies examined using contact thermography and assess the number of correct responses. This technique proved reliable in patients aged under 30 with benign pathologies or palpable nodules. On the other hand, it was not reliable in the case of pathologies with negative objectivity, and therefore in the context of screening programmes for the early diagnosis of tumours.

Adolescent

[Closed needle-biopsy in the diagnosis of neoplasms].

The AA. demonstrate with this communication the validity of the needle biopsie for the diagnosis of neoplasms. They had used it for the breast, thyroid, flg and some other superficial tumefactions. In the mass-screening for the feminine neoplasms the clinical examination and the needle biopsy are very good method for a careful diagnosis.

Adolescent

[Mastalgia].

A series of 624 cases of breast pain examined over a period of 5 years is reviewed in the light of age, fecundity, side affected, and occupation. The gynaecological evidence made it clear that most cases where attributable to hormone disorders. In particular, there were no instances in which initial cancer was detected as a result of the pain symptom. The findings are discussed in the light of the literature.

Adolescent

[Some practical diagnostic notes on severe jaundice].

The authors discuss duodenoscopy conduced with the help of a topical anesthetic plus systemic antispasmodic premedication for the differential diagnosis of severe jaundice, with or without catheterization of the papilla. From their first-hand experience with this method, the authors conclude that the procedure is remarkably useful and free of complications.

Bile Duct Neoplasms

[Origin of oncogenic viruses].

On the basis of the literature, and particularly of recent paraprocessing studies, the possible origin of oncogenous RNA viruses in human is discussed. The concept of the irritative theory as the origin of most such viruses, according to the "wandering gene" concept, is reiterated.

Oncogenic Viruses

[Comparison between a diet with mainly vegetal protein content and a diet with mainly animal protein content in hepatic cirrhosis].

Eight cirrhotic patients were studied in a randomized crossover single blind study in order to compare the effects of two isocaloric, and with equal amount of protein diets on nitrogen balance and on the portal systemic index. One diet was 2:3 vegetable protein to total protein content (diet V) and the other 2:3 animal protein to total protein content (diet A). Each diet was changed every three weeks. Five patients followed the VAV scheme and three the AVA scheme. The mean values of the porto systemic index were almost the same with the two diets while the value of the nitrogen balance was less negative with the diet A than with the diet V, showing an increasing trend, more marked with the diet A, at every consecutive time of observation. The variance analysis was not significant for any of the two diets. Diet V was well tolerated.

Aged

[Theories concerning viruses and neoplasms].

The causes of neoplasia are discussed with particular reference to viruses. Stress is laid on some differences between the mainly cytolytic action of viruses in man and their possible cancerigenic power. It is felt that neoplasia arises from a variety of aetiologies, mostly of an irritative nature, coupled with a single, final pathogenetic mechanism linked to chromosome changes that do not result in the death of the cell.

Animals