[The morphofunctional changes in the mucosa of the large intestine during tumor growth].
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Adenoma↗
Biomedical subjects
A G Davtian
Publications and source records attributed to A G Davtian.
[Colonoscopy in the diagnosis and treatment of small colonic polyps].
The results of treatment of 801 patients are analysed. It is shown that the probability of growth and the development of new adenomas or a recurrence of the disease is higher in patients with multiple small polyps and in their combination with larger structures. Therefore, all multiple structures in the colon, irrespective of their size, must be removed endoscopically without fail and the patients kept under dynamic control subsequently. Solitary small polyps show no tendency to grow, in view of which the therapeutic tactics in such cases should be individualized and determined by the histological structure of the growth themselves and the character of the changes in the colon.
Adult↗
[A device for passing flexible endoscopic instruments through a rectoscope].
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Humans↗
[Endoscopic diagnosis of associated gastrointestinal diseases in proctology patients].
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Adolescent↗
[Study of complexes of ethidium bromide with DNA by differential pulse voltammetry].
The interaction of ethidium bromide with calf thymus DNA was investigated by the method of differential pulse voltammetry. It was found that ethidium bromide binds with DNA in several ways. Corresponding values of the constants and the number of binding sites were determined. The intercalation, semi-intercalation, and electrostatic mechanisms of interaction were shown. The results obtained are in good agreement with the data obtained by spectroscopic (absorption and fluorimetric) methods.
Animals↗