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Biomedical subjects

V Silingardi

Publications and source records attributed to V Silingardi.

At least 55 records · Page 3Linked to original sources

A report of seven long survivors for evidence of prognostic factors in hairy cell leukemia.

The clinical hematologic and pathologic findings of 30 patients with hairy cell leukemia observed between 1966 and 1979 were studied. Twelve patients had long-lasting course of the disease. Seven of them displayed a survival greater than or equal to 120 months, whereas 18 patients died within 36 months of the diagnosis. Their clinical and laboratory characteristics (age of onset, sex, ESR, hemoglobin, WBC, neutrophils, monocytes, platelets, spleen and liver size) were analyzed to ascertain possible prognostic features. Multivariate discriminant analysis, performed both with a direct method and with a stepwise method (Wilks' method), provided a discriminant function able to correctly predict the prognosis of the disease in 83.3% of the examined cases. Spleen size, neutrophil count, age of onset, ESR and liver size turned out to be the most important prognostic factors; in contrast, splenectomy did not significantly affect the prognosis in our cases.

Adult↗

[Anergic miliary tuberculosis, with principally splenic localization simulating hemolymphopathy. Report of 4 cases].

Four cases of disseminated tuberculosis with prevailing spleen involvement and lack of tuberculin reactivity are described. The atypical clinical picture justified, at the beginning of the disease, the suspect of a lymphoreticular disorder (malignant lymphoma in 3 cases) or of a pulmonary hemosiderosis (in 1 case). The splenectomy and the following anti-tubercular chemotherapy were fully successful in all 4 patients and the skin reactivity was restored. The Authors discuss the pathogenesis of the observed features and the differential diagnosis of the cases of tuberculosis with only extrapulmonary involvement. These cases represent today about 1/6 of the patients with postprimary tuberculosis.

Adolescent↗

The radiologic "Target sign" of septic pulmonary embolism in a case of acute myelogenous leukemia.

The authors report the appearance of septic pulmonary embolism in a case of acute myelogenous leukemia. The pulmonary lesions are characterized radiographically by the uncommon appearance of central densities suspended within thin-walled pseudocystic air spaces. A possible pathogenic mechanism explaining these radiographic findings is discussed. Such images must be distinguished from those of a fungus ball or tuberculous cavities.

Adolescent↗

[Clinico-immunological study of 6 cases of Behçet's disease].

6 cases of Behçet's disease are reported. Diagnosis was particularly arduous because the typical triad of symptoms (oral aphthae, genital ulcers, uveitis) was masked by secondary disturbances in other organs and systems. Immunology confirmed the presence in these patients of changes in various in vivo and in vitro tests and particularly interesting was the aspecific cutaneous hypersensitivity seen in 5 cases and enhanced lymphocyte blastic transformation. This was seen spontaneously and following PHA. On the basis of the outcome of the studies carried out and the literature data, the possibility that Behçet's disease may contain immunological changes and changes in the mechanisms that regulate quinine, complement and clotting activation is suggested. Therapeutically, confirmation was obtained of the effectiveness, at least temporarily, of corticosteroid treatment and antilymphocyte globulin was experimented for the first time in these patients. This might be used to replace the immune depressant antiblastic substances already successfully employed in patients with Behçet's disease.

Adolescent↗

[Malignant histiocytosis. Histiocytic medullary reticulosis].

The Authors report a case of malignant histiocytosis apparently localized only in the spleen. The diagnosis of the disease, characterized at the onset by moderate leukopenia and thrombocytopenia, was made possible by the histopathologic examination of the spleen following splenectomy. The disease shows a chronic course. The Authors discuss the clinical and histological features of the case.

Aged↗

[Behçet's disease].

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Adrenal Cortex Hormones↗

Recovery from aplastic anemia after treatment with antilymphocyte globulin.

A 16-year-old boy with aplastic anemia that was resistant to treatment with androgens and prednisone and that had a high transfusion requirement was treated with antilymphocyte globulin. A complete normalization of the hematologic values was obtained. The result supports the theory of immune pathogenesis in some cases of aplastic anemia.

Adolescent↗

Lymphoid blastic crisis at the onset of chronic granulocytic leukemia: report of two cases.

Two patients with a typical hematologic pattern of acute lymphatic leukemia were brought into complete remission by treatment. A few weeks later they developed a typical peripheral and bone marrow pattern of chronic granulocytic leukemia, with Philadelphia chromosome and very low leukocyte alkaline phosphatase. These cases, along with other findings recently reported in the literature, support the possibility of a previously unrecognized relationship between lymphoblastic cell populations and chronic granulocytic leukemia.

Adult↗

The excretion of tryptophan metabolites in patients with different forms of haemoblastosis.

The urinary excretion of kynurenine, 3-hydroxykynurenine, kynurenic and xanthurenic acid has been determined by bidimensional paper chromatography in 61 patients with different forms of haemoblastosis (27 cases of Hodgkin's disease, 10 cases of non Hodgkin's lymphomas, 8 cases of acute leukaemia, 11 cases of myeloproliferative disorders, 5 cases of lympho-immunoproliferative disorders). An abnormal urinary excretion of some metabolites of tryptophan's kynurenine pathway is frequent but not constant in all the neoplasias of the myelolymphopoietic system studied so far. In Hodgkin's disease the correlative test between urinary excretion of tryptophan metabolites and clinical stage, histological type and treatment enabled us to point out that the anatomo-clinical diffusion of the lymphoma interferes only through kynurenine and 3-hydroxykynurenine excretion. The histological type seems to influence the 3-hydroxykynurenine excretion. On the contrary, the metabolic alterations present are not affected by treatment. We believe that the metabolic alteration of tryptophan is secondary to a deficit of pyridoxal phosphate and nicotinamide-dependent enzyme activities.

Hematologic Diseases↗