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Liver size varies widely according to age and different body types. Palpation and percussion are standard techniques to measure liver size, but are not accurate enough to detect a small increase. Accurate measurement of the liver by sonography is particularly relevant when a patient is suspected to have hepatitis. According to a number of validated sources, liver length varies greatly depending on the modalities and techniques used by the ultrasound specialist. Ultrasound liver size measurement has...

The article focuses on normative values of the liver shear wave elas­tography and comparison of various works in elastography of the internation­al and Rus­sian research. A variety of normal values of liver stiffness during shear wave elastography obtained by different authors when measuring on various devices are presented. The normal range of liver stiffness measure­ments in healthy peo­ple var­ies widely: the normal liver elasticity values may vary in range of 1.5—7.5 kPa on measuring by transient...

The article focuses on determination of the liver volume which is an urgent task for clinical medicine. It is directly connected to the need for an objective quantitative assessment of organ size. The complexity of calculating the volume is due to an irregular geometric shape of the organ, which can not be approximated to an ellipse or any other geometric figure. The aim of the study is to ex vivo evaluate the possibilities of measuring the volume of the liver based on the linear dimensions of the...

The previous research work of the team (M. V. Martinovich et al.) developed a new formula for in vivo liver volume calculating using the genetic algorithm method. The purpose of this work was the integration of the formula in the automatic ultrasound diagnostic work station (AWS) "Assistant”. To achieve the goal, a number of the research objectives have been set. The possibility of assessing the size of the liver on the basis of its volume is a means of objectifying the diagnostic process. Integration...

The authors propose a method of liver volumetry using anthropometric data and the data obtained during an ultrasound examination. The algorithm is built on the basis of a genetic algorithm with coefficients calculated using linear regression. It is shown that the new formula is more accurate than previously proposed ones. The algorithm can be used to work out volumetric formulas for other organs in radiological studies. 1. Изранов В. А., Казанцева Н. В., Мартинович М. В. и др. Оценка точности вычисления...

Evaluation of liver volume is of great importance in the management of certain liver diseases and systemic disorders involving the liver. With the development of innovative technologies for the partial liver resection and transplantation lifetime assessment of liver volume is of great interest. The volume of the liver is a sensitive indicator for ectopic fat deposition and metabolic syndrome in obesity. Manual assessment of liver volume using percussion and palpation methods has disadvantages associated...

A review of the skin ultrasound publications shows that this examination is one of the most popular diagnostic procedures in dermatology, cosmetology and oncology. Current research data defined the concept of "ultrasound ana­tomy of the skin", it is noted that an ultrasound examination of healthy skin with modern sensors can visualize three of its layers, appendages of skin and ves­sels of small diameter, located in the dermis and the upper layer of sub­cu­ta­neous fat tissue. The significance...

The article focuses on the studies of changes in fetal behavior and general fetal movements which were carried out through the method of H. Prechtl with the help of the Kurjak Antenatal Neurobehavioral Test (KANET). The research evaluated the functional state of the central nervous system of fetuses with different pathologies. The authors describe a number of assessments including the intrauterine development of the central nervous system of fetuses during normal gestation; the intrauterine development...

The authors aim to identify the most optimal formula for calculating the volume of liver based on its linear size ex vivo. The authors measured liver volume in thirty-three corpses by placing the liver in water and calculating the displaced volume of the liquid. Liver was measured in each case. The data were then compared with the ones obtained by using five different formulas comprising linear liver measurements. 1. Изранов В. А., Казанцева Н. В., Белецкая М. А. Измерение объема печени с помощью...

This article estimates the accuracy of various formulas used to calculate the standard volume of the liver. The authors identify formulas most adequate for a comparison with volumetry results obtained using JT Childs’s easy-touse formula. The study employed the anthropometric data (age, sex, and weight) and the calculations of body height, body surface area (BSA), and liver sizes of 36 healthy volunteers. The volume of the liver was determined using different formulas that take into account either...