[Isolated sarcoidosis of the brain].

Sarcoidosis is a granulomatous multisystem disease of unclear etiology. Among the many local lesions of different localization, lesions of the central and peripheral nervous system (neurosarcoidosis) are distinguished as particularly unfavorable manifestations of the disease. Only in rare cases, neurosarcoidosis can manifest as isolated or primary.

[Methods to assess competence of indirect cerebral revascularization in children].

Unlabelled: The use of catheterization cerebral angiography (CCA) to assess collateral blood flow through an indirect anastomosis is traumatic for children, uses a high radiation dose, and requires anesthetic care in most cases.

Aim: we aimed to compare the capabilities of triplex ultrasound (TU) of vessels, magnetic resonance angiography (MRA), computed tomography angiography (CTA), and CCA in assessing the competence of indirect cerebral revascularization (ICR) in children.

Material And Methods: ICR was performed in 18 children in 24 hemispheres (24 operations).

Extrapontine myelinolysis developed after aneurysmal subarachnoid hemorrhage (a case report and literature review).

Topicality: Central pontine and extrapontine myelinolysis is a rare and dangerous form of the demyelinating process of undefined origin, the development of which is associated with a very low sodium level in the blood (hypernatremia).

Objective: To describe a rare case of extrapontine myelinolysis as a complication occurring in the hemorrhagic period of anterior communicating artery aneurysm rupture as well as to demonstrate that this condition can be diagnosed intravitally.

Conclusion: Clinical vigilance of extrapontine myelinolysis may promote the timely diagnosis and treatment of this disease, which is a potential cause of death.

[Determination of Microbial Susceptibility to Sulfanilamides by Electrooptic Analysis].

The effect of sulfanilamides (soluble streptocid as an example) on changing of the electrophysical properties (EP) of microbial cells of Escherichia coli XL-1, BL-Ril, Pseudomonasputida C-11 and BA-11 was studied. It was shown that significant changes in the orientation spectra (OS) of the cell suspensions incubated at various concentrations of the sulfanilamide resulted in changing of the electrooptic (EO) signal of the cell suspension at the first five frequencies of the orientation electric field (10-1000 Hz) with the use of soluble streptocid in a concentration of 0.3 mcg/ml.