scholarly journals Parameters of the corpus callosum and thalamuses in mesocephalic women of the second period of mature age according to MRI data

Author(s):  
A. A. Balandin ◽  
I. A. Balandina ◽  
L. M. Zheleznov

Introduction. One of the most important parts of the brain from a morphofunctional point of view is the corpus callosum and the thalamus. Today, the problem of the lack of clear morphometric characteristics of these parts of the brain in mesocephalic women of the second period of mature age is obvious.The objective of the study was to establish the morphometric characteristics of the corpus callosum and thalamuses in mesocephalic women of the second period of mature age using the method of magnetic resonance imaging.Methods and materials. The results of morphometric examination of the corpus callosum and thalamuses of 37 women aged 36 to 54 years using magnetic resonance imaging were analyzed. We determined the length and height of the corpus callosum, knee thickness, cushion thickness, its depth (anterior, upper and posterior). The transverse, longitudinal, and vertical dimensions of the thalamuses were determined.Results. The morphometric characteristics of the corpus callosum is characterized by the predominance of the knee thickness over the thickness of the cushion (p<0.01). The parameter of the posterior depth of the corpus callosum prevails over the parameters of the upper and anterior depths of its occurrence (p<0.01). When comparing the parameters of the upper depth and the anterior depth of the corpus callosum, there is a tendency for the upper depth indicator to prevail (p>0.05). The regularity of the morphometric characteristics of the thalamuses is the tendency to the predominance of all parameters in the left hemisphere (p>0.05).Conclusions. The results of the comparative analysis of the morphological characteristics of the corpus callosum in the elderly and senile age supplement the knowledge of age-related anatomy and will be useful in the clinical practice of doctors of radiation diagnostics and magnetic resonance imaging offices.

2021 ◽  
Vol 18 (2) ◽  
pp. 76-79
Author(s):  
Ashish Jung Thapa

Intracranial lipomas are very rare, slow-growing, and benign tumors usually asymptomatic but occasionally associated with symptoms like a seizure. This rare occurrence is usually diagnosed incidentally and magnetic resonance imaging is the choice of investigation and diagnosis can be confirmed with fat suppression sequences. Management of corpus callosal lipoma is mainly conservative management with surgery not indicated due to the location and its peripheral structures. Managing seizure is the mainstay of the treatment. We present a case of incidentally diagnosed tubulonodular corpus callosal lipoma after having an event of a fall injury.


Author(s):  
А. А. Баландин ◽  
Л. М. Железнов ◽  
И. А. Баландина ◽  
В. А. Баландин

Работа основана на результатах органометрического исследования мозолистого тела (каллозометрии) у 93 человек (49 мужчин и 44 женщин) с использованием МРТ. Был проведен сравнительный анализ длины, высоты, толщины валика и колена мозолистого тела, глубины его залегания (передней, верхней, задней). Выявлены закономерности возрастной изменчивости органометрических характеристик мозолистого тела, проявляющиеся в сокращении его линейных размеров у людей старческого возраста, в сравнении с представителями молодого возраста, и уменьшении глубины залегания. Результаты данного морфологического исследования могут послужить основой для выявления отдельных закономерностей возрастной анатомии головного мозга и имеют практическую значимость в качестве эквивалента анатомической нормы, что позволит использовать эти данные в диагностической и лечебной работе. The work is based on the results of an organometric study of the corpus callosum (callosometry) among 93 people (49 men and 44 women) using the method of magnetic resonance imaging. A comparative analysing of the length, height, thickness of the roller and the knee of the corpus callosum, the depth of its occurrence (front, top, back) was carried out. The regularities of age variability of organometric characteristics of the corpus callosum, manifested in a decrease in its linear dimensions among old people in comparison with young people and a decrease in the depth of its occurrence. The results of this morphological study can be as a basis for identifying individual patterns of age-related anatomy of the brain and have practical importance as indicators of the norm, which will use these data in diagnostic and therapeutic work.


2021 ◽  
Vol 25 (1) ◽  
pp. 446-455
Author(s):  
Dina Tawfeeq ◽  
Shawnam Dawood

Background and objective: Many epidemiological studies and clinical manifestation studies of multiple sclerosis have been done in Iraq. Up to our knowledge, no such observational study to the radiological feature of the multiple sclerosis lesion has been done yet in Erbil in comparison to other worldwide studies. This study aimed to assess the distribution of multiple sclerosis lesions in brain regions detected by magnetic resonance imaging among Erbil population. Methods: This was a cross-sectional study conducted at the College of Medicine, Hawler Medical University, from April 2018 to July 2019. A review of magnetic resonance imaging scans of the brain of 120 patients was done. Special attention was directed toward identifying the variance in multiple sclerosis lesions distribution in the brain regions and their MR signal intensity characteristics. Results: Periventricular lesions were observed in more than 90% of the study sample. The next common was juxtacortical lesions (24.8%), followed by corpus callosum lesions (16.8 %), while brain stem lesions were the least observed proportions. No significant difference was detected in the distribution of multiple sclerosis lesions among ethnicities and genders, except for basal ganglia lesions, which were significantly more common in women (P = 0.016).The magnetic resonance imaging signal intensity of the lesion was significantly variable among disease duration. Conclusion: The T2 hyper intense lesions were most commonly seen in the periventricular region. Juxtacortical and corpus callosum lesions were also frequently observed. The proportions of the brain stem and cerebellum lesions appeared to be lower in comparison to previous studies. Keywords: Multiple Sclerosis; Magnetic Resonance Imaging; Distribution; Lesion.


Author(s):  
Anatolii A. Balandin ◽  
Irina A. Balandina ◽  
Lev M. Zheleznov

Objective: to conduct a comparative analysis of age-related morphometric characteristics of the corpus callosum (callosometry) in elderly and senile age based on magnetic resonance imaging data. Materials and methods. The analysis of the results of a morphometric study of the corpus callosum of 97 people of both sexes (46 men and 51 women) who underwent a brain study in the Department of Radiation Diagnostics in the period 2019-2020 was carried out. Depending on the age, the subjects were divided into two groups. Group I included 52 elderly people (61-72 years old), and group II included 45 senile people (76-87 years old). All patients had no history of diseases and injuries of the Central and peripheral nervous system, as well as alcohol and drug dependence, but the predominance of the right hand (right-handed) was noted. All of them gave their consent to the magnetic resonance imaging examination, which was carried out only according to the indications. We determined the thickness of the genu, the thickness of the splenium, length and height of the corpus callosum, as well as its depth - anterior, superior and posterior. Results. When comparing the parameters of length and height of the corpus callosum, as well as all three parameters of depth, established in elderly and senile ages, statistically reliable age differences in the indices do not exist (p>0.05), but there is a tendency to reduce all their linear sizes from elderly to old age. When comparing the studied linear dimensions of the structural components of the corpus callosum (the thickness of the genu and the splenium) in elderly and senile ages, statistically significant differences in parameters were found with their predominance in the elderly (p<0.001).


2012 ◽  
Vol 71 (2) ◽  
Author(s):  
S. O. Wajuihian

This paper forms part two of a review of the neurobiology of developmental dyslexia (DD) and here the focus is on magnetic resonance imaging (MRI)of the corpus callosum (CC) of dyslexic and non-dyslexic subjects. The CC is a bundle of nerve fibres connecting the left and the right hemisphere of the brain. Due to the role of this structure in inter-hemispheric transfer and integration between the hemispheres, the CC is significant in the search for the neurobiological basis of DD. (S Afr Optom 2012 71(1) 39-45)


2012 ◽  
Vol 71 (1) ◽  
Author(s):  
S. O. Wajuihian

This paper forms part two of a review of the neurobiology of developmental dyslexia (DD) and here the focus is on magnetic resonance imaging (MRI) of the corpus callosum (CC) of dyslexic and non-dyslexic subjects. The CC is a bundle of nerve fibres connecting the left and the right hemisphere of the brain. Due to the role of this structure in inter-hemispheric transfer and integration between thehemispheres, the CC is significant in the search for the neurobiological basis of DD. (S Afr Optom 2012 71(1) 39-45)


2018 ◽  
Vol 7 (3) ◽  
pp. 217-221
Author(s):  
E. V. Shevchenko ◽  
G. R. Ramazanov ◽  
S. S. Petrikov

Background Acute dizziness may be the only symptom of stroke. Prevalence of this disease among patients with isolated dizziness differs significantly and depends on study design, inclusion criteria and diagnostic methods. In available investigations, we did not find any prospective studies where magnetic resonance imaging, positional maneuvers, and Halmagyi-Curthoys test had been used to clarify a pattern of diseases with isolated acute dizziness and suspected stroke.Aim of study To clarify the pattern of the causes of dizziness in patients with suspected acute stroke.Material and methods We examined 160 patients admitted to N.V. Sklifosovsky Research Institute for Emergency Medicine with suspected stroke and single or underlying complaint of dizziness. All patients were examined with assessment of neurological status, Dix-Hollpike and Pagnini-McClure maneuvers, HalmagyiCurthoys test, triplex scans of brachiocephalic arteries, transthoracic echocardiography, computed tomography (CT) and magnetic resonance imaging (MRI) of the brain with magnetic field strength 1.5 T. MRI of the brain was performed in patients without evidence of stroke by CT and in patients with stroke of undetermined etiology according to the TOAST classification.Results In 16 patients (10%), the cause of dizziness was a disease of the brain: ischemic stroke (n=14 (88%)), hemorrhage (n=1 (6%)), transient ischemic attack (TIA) of posterior circulation (n=1 (6%)). In 70.6% patients (n=113), the dizziness was associated with peripheral vestibulopathy: benign paroxysmal positional vertigo (n=85 (75%)), vestibular neuritis (n=19 (17%)), Meniere’s disease (n=7 (6%)), labyrinthitis (n=2 (1,3%)). In 6.9% patients (n=11), the cause of dizziness was hypertensive encephalopathy, 1.9% of patients (n=3) had heart rhythm disturbance, 9.4% of patients (n=15) had psychogenic dizziness, 0.6% of patients (n=1) had demyelinating disease, and 0.6% of patients (n=1) had hemic hypoxia associated with iron deficiency anemia.Conclusion In 70.6% patients with acute dizziness, admitted to hospital with a suspected stroke, peripheral vestibulopathy was revealed. Only 10% of patients had a stroke as a cause of dizziness.


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