Biomedical subjects
Publications and source records attributed to M Giordano.
The juridical and medical aspects of disability and the treatment of the disabled permitted by law are described with particular reference to the borderline situations most often encountered in dentistry, in order to highlight the fact that the implicit or explicit consent of the patient's legal representative must always be obtained.
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A personally observed case of histiocytosis X triggers a discussion of the prognostic aspects and therapeutic prospects for this disease.
The paper analyses the post-traumatic pathology of the T.M. joint in patients in a dynamic growth phase with reference to prognostic and therapeutic factors. After a critical review of the literature, the lack of a common viewpoint and the importance of personal experience are underlined.
The rapid identification of the expression of oncogene products in specific cell types could be useful to investigate normal and malignant cell proliferation. We have developed a sensitive fixation - permeabilization technique (with 70% ethanol and 0.01% Triton x 100) for the detection of p21 ras oncoprotein and DNA content. Cell suspensions with negligible cell clumping, bright specific immunofluorescent staining were obtained with this method. Bivariate flow cytometry was then used to quantitate simultaneously the distribution of anti p21 ras oncoprotein (with a specific FITC-labeled antibody) and of total DNA (with propidium iodide). The study was carried out in human leukemic cell lines HL-60 and K562, human breast carcinoma cell line MCF-7 and fresh neoplastic cells from human acute leukemia. The p21 ras oncoprotein was found in all phases of cell cycle. The degree of its expression, however, varied widely in diploid (C0/G1) cells from different samples, which could be related to differences in the relative proportion of G0 and G1 cells. Compared to the conventional gel electrophoretic technique, the use of bivariate FCM is feasible, fast, requires fewer cells per sample (2 x 10(6] and allows both the ras oncogene expression in intact cell populations as well as its relationship with cell cycle phases to be studied.
The presence of false tendons (FT) was sought with M-mode and 2-D echocardiography in a consecutive series of 316 patients with a wide age range (13-73 yrs). FT were observed in 13 patients (4.1%), all of them in the left ventricular cavity. Their clinical significance is pointed out together with the possibility of diagnostic error with other pathological formations, particularly intracavitary thrombi.
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A platelet count was made in 37 patients with Progressive Systemic Sclerosis (PSS), 6 with Sjögren's Syndrome, 11 with Rheumatic Polymyalgia with or without Horton's Arteritis (PMR-AH), 26 with Ankylosing Spondylitis (A.Sp.), 29 with Psoriatic Arthritis, 15 with Gout and in 65 healthy subjects. In this last group the mean platelet count was 215.692/mm3, S.E. 4.167. In the various groups of patients the following mean platelet counts were determined: PSS 242.108 +/- 11.766; Sjögren 245.000 +/- 22.620; PMR-AH 276.818 +/- 25.577; A.Sp. 272.846 +/- 14.124; Psoriatic Arthritis 245.833 +/- 9.374; Gout 265.333 +/- 24.628. Statistical analysis showed a significant difference (P less than 0.05), (P less than 0.01) or (P less than 0.001) between each group of patients and the controls. However, the platelet count in the majority of patients in each group was not higher than 300.000/mm3. Statistically significant correlations were found between platelet count and some biolgoical inflammation parameters. All patients with platelets higher than 300.000/mm3 showed a high disease activity. Yet some patients with marked inflammation did not present thrombocytosis. According to literature data thrombocytosis in Rheumatoid Arthritis is considered to be correlated to disease activity. The results of this study indicate that even in other rheumatic diseases thrombocytosis is often present, apparently correlated to the inflammation. Therefore thrombocytosis is an inflammation parameter; but it is less sensitive than other ones.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.