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Biomedical subjects

B Ondrus

Publications and source records attributed to B Ondrus.

At least 37 records · Page 2Linked to original sources

[Significance of infiltration of the lamina propria for the prognosis of patients with bladder tumors].

3- and 5-year survival rate from 128 patients with superficial bladder cancer was evaluated. With noninvasive papillary cancer the 3- and 5-year patient survival rate was 83,6 respectively 58,1%. If the tumor had been infiltrated the Lamina propria patients survival rate was 57,5 respectively 28,7%. Combined therapy consisting in transurethral resection and irradiation should be considered for patients with infiltrating superficial bladder cancer.

Adult↗

[Rhinophyma].

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Aged↗

[Ultrastructure of the red pulp of the spleen in various thrombocytopenias].

The authors describe 10 cases of samples of spleen tissue obtained from patients with various thrombocytopenias which had been subjected to electron microscopical examinations. In splenomegalies associated with liver cirrhoses a certain proportion of platelets accumulated in the spleen, whereas others were ingested by macrophages. No significant polymorhism of the platelets was observed. In cases of idiopathic thrombocytopenic purpura marked polymorphism of the platelets as regards size and structure was observed. The platelets also showed a concoisuous relation to the polymorphonuclear laucotytes. The alterations of the inner structure of the platelets could not be regarded as specific, because they were also found in lymhogranuloma.

Humans↗

[Ultrastructure of the red pulp of the spleen in various anemias].

Eighteen tissue samples of human spleens obtained from patients suffering from hereditary sphaerocytosis, acquired haemolytic anaemia, hypersplenism, Banti's syndrome and extralienal neoplastic disease were subjected to electron microscopical examinations. Lesioned erythrocytes were removed with the aid of the macrophages of the red pulp and in cases of a high number of injured erythrocytes the cells lining the sinuses were also involved. The proliferation of collagen connective tissue was possibly also involved in injuring the blood cells. The spleens obtained from patients with neoplastic disease not affecting the spleen could not be regarded as normal.

Anemia↗