Ultrasound Diagnosis of Striated Muscles Pathology

2005 ◽  
Vol 12 (1) ◽  
pp. 24
Author(s):  
S. P Mironov ◽  
N. A Es'kin ◽  
A. K Orletskiy ◽  
L. L Laylin ◽  
D. R Bogdashevskiy ◽  
...  
Keyword(s):  
Muscle Tissue ◽  
Ultrasound Examination ◽  
Striated Muscles ◽  
Hematoma Volume ◽  
Diagnostic Efficacy ◽  
Surgical Interventions ◽  
Regeneration Stage ◽  
Cystic Changes ◽  
Diagnostic Puncture ◽  
Sensitive Method

Ultrasound examination of 897 patients with injuries and pathology of striated muscles was performed. Ultrasound criteria of muscle diseases and injuries were detected. The evaluation of diagnostic efficacy of ultrasound data relative to data of invasive methods (surgical interventions and diagnostic puncture) was performed. Ultrasound examination of striated muscles is showed to be a highly specific and sensitive method for diagnosis of traumatic muscle tissue lesions. Ultrasound allows to assess the hematoma volume, injury degree of muscle and diastasis length between muscle fibers; regeneration stage and developed scar of injured muscle as well as to detect cystic changes, ossificans myositis, hernia and tumor-like diseases.

Prenatal diagnosis of amyoplasia

2021 ◽  
Author(s):  
A.A. Lazarevich, O.V. Pribuschenya
Keyword(s):  
Prenatal Diagnosis ◽  
Histological Examination ◽  
Muscle Tissue ◽  
Ultrasound Examination ◽  
Lower Extremities ◽  
Rectus Femoris ◽  
Sporadic Case ◽  
Upper And Lower Extremities ◽  
Rectus Femoris Muscle ◽  
Femoris Muscle

Objectives. To describe ultrasound and pathomorphological signs of amyoplasia in the fetus. Materials. Sporadic case of prenatal diagnosis on second trimester ultrasound examination is presented. Prenatal diagnosis is confirmed on pathomorphological and histological examinations. Results. The ultrasound signs were contractures of the upper and lower extremities, bilateral clubfoot, akinesia, extreme cervical spinal hyperextension. The diagnosis was established by pathomorphological and histological expertise. Histological examination of the muscle tissue of the rectus femoris muscle determined the residual muscle tissue infiltrated with fat and connective tissue. Conclusions. Amyoplasia, especially its severe subtypes, can be diagnosed prenatally. The ultrasound signs were contractures of the upper and lower extremities, bilateral clubfoot, akinesia, extreme cervical spinal hyperextension. Histological examination of muscle tissue in fetuses with signs of arthrogryposis will increase the frequency of diagnosis of amioplasia

scholarly journals Gallbladder polyps: the more cases we observe, the more questions we ask

2020 ◽  
Vol 48 (3) ◽  
pp. 85-90
Author(s):  
N. V. Shirinskaya ◽  
N. V. Kalyatina ◽  
A. V. Shirinskaya
Keyword(s):  
Ultrasound Examination ◽  
Abdominal Cavity ◽  
Statistical Processing ◽  
Observation Data ◽  
Outpatient Appointment ◽  
Surgical Interventions ◽  
Gallbladder Polyps ◽  
Abdominal Organs ◽  
Ultrasound Study ◽  
History Of

Background. Gallbladder polyps have recently become more common in practice of general practitioners and gastroenterologists due to the improvement of instrumental imaging of the abdominal cavity. Aim of study: to analyze the dynamics of development of gallbladder polyps at an outpatient appointment of a general practitioner (gastroenterologist). Materials and methods. A prospective clinical five-year study of patients with gallbladder polyps was conducted. All patients underwent ultrasound examination of the abdominal organs (Voluson E10) once every six months during five years. Number and nature of the growth of polyps, size of the gallbladder, presence/absence of complaints, and burdened history of neoplastic diseases were evaluated in the dynamics of observation. Data obtained were subjected to standard statistical processing. Results. The study included 33 patients (14 men, 19 women aged 24–65 years, average age 45.19±1.73 yrs). In the initial ultrasound study, the number of visualized polyps varied from 1 to 5 (on average, 2.09±0.95), the size of the neoplasms ranged from 2 mm to 10 mm (on average, 5.75±1.10 mm). Burdened heredity in oncopathology was noted in 42.86% of men and 31.58% of women. Legless polyps were more often diagnosed in men (14.29%), while in women, polyps increased in size in the dynamics of observation >10 mm and a higher frequency of surgical interventions (cholecystectomy) were more often recorded. Conclusion. Gallbladder polyps tend to grow slowly. We outlined the questions facing the clinician in the management of patients with gallbladder polyps in terms of choosing the optimal tactic and surgical treatment due to the possible malignancy of these formations.

scholarly journals Fine needle puncture biopsy and imaging methods of the thyroid gland in the diagnosis of nodular goiter

1993 ◽  
Vol 39 (6) ◽  
pp. 30-33
Author(s):  
S. L. Vnotchenko ◽  
T. A. Okeanova ◽  
M. E. Bronshtein ◽  
S. B. Nefedov ◽  
G. I. Fedoseeva
Keyword(s):  
Thyroid Gland ◽  
Ultrasound Examination ◽  
Nodular Goiter ◽  
Needle Puncture ◽  
Single Adenoma ◽  
Fine Needle ◽  
Cytological Data ◽  
Puncture Biopsy ◽  
Cystic Changes ◽  
Operational Data

A retrospective analysis of the results of puncture thyroid biopsy is presented in 256 patients operated on for nodular goiter. Cytological data coincided with histological in 84.8% of cases. Coincidences were most frequent with (multiple) nodular colloid goiter and thyroid cysts (95.7 = 100%) and the least with a single adenoma (65.4%) of predominantly follicular structure. In thyroid cancer, the data correlated in 75% of cases. The presence of cystic changes in the adenoma made the study less informative. The results of an ultrasound examination of the thyroid gland coincided with operational data in 87.5% of patients with (multiple) nodular goiter and in 86.1% of patients with adenomas. Ultrasonography as a method of imaging the thyroid gland is preferable to scintigraphy (scanning) and is the optimal complement to the thyroid puncture biopsy.

scholarly journals The significance of mammography and ultrasound examination in the diagnosis of breast cancer

2020 ◽  
Vol 11 (1) ◽  
pp. 23-29
Author(s):  
Mirko Petrić ◽  
Adnan Šehić ◽  
Ismira Čatović
Keyword(s):  
Breast Cancer ◽  
Breast Imaging ◽  
Ultrasound Examination ◽  
Descriptive Study ◽  
Strong Connection ◽  
Positive Direction ◽  
Breast Examination ◽  
Ultrasound Diagnostics ◽  
Cystic Changes ◽  
Malignant Changes

Introduction: Mammography represents a very accessible diagnostic method that has been accepted as the initial method of examining women over the age of 40 worldwide. It is a method with a high percentage of accuracy (80-90%) in the detection of breast cancer in patients without symptoms. However, there may be a significant overlap of mammographic presentation of benign and malignant changes in the structural tissue of the breast. The ultrasound method of breast examination is invaluable in breaking down between solid and cystic changes, as well as for clarifying palpable lumps in the breast. In almost 98% of cases, ultrasound examination can distinguish whether it is a benign or malignant change. The aim of this study is to prove the correlation between mammography and ultrasound methods of breast examination.Material and methods: The examination was performed as a retrospective - prospective descriptive study in the Department for radiological and ultrasound diagnostics of the Derventa Health Center. The study included 80 female respondents who consented to the recording. Based on the performed ultrasound and mammography images, a qualitative analysis was made. A comparison of the sensitivity of the breast imaging between mammography and ultrasound imaging was performed.Results: Comparing mammography and ultrasound examination according to BI-RADS classification, based on Pearson's correlation coefficient, we concluded that there is a strong correlation between these two tests (r = 0.743), which is statistically significant (p <0.005). The correlation, in addition to having a strong connection, moves in a positive direction, that is, by increasing the value of BI-RADS of one diagnostic procedure, there is an increase in another.Conclusion: By analyzing the obtained results, we can conclude that mammography and ultrasound methods of breast examination are complementary methods, which complement each other, and which are not perfect. However, these two methods certainly have their place in breast cancer screening.

scholarly journals Adenomyoepithelioma of the breast with prominent cystic changes: a case report

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Feng Chen ◽  
Hengping Wu ◽  
Yujian Liu ◽  
Minli Lv ◽  
Jianquan Zhong
Keyword(s):  
Rare Case ◽  
Ultrasound Examination ◽  
Ductal Carcinoma ◽  
Imaging Features ◽  
Breast Pain ◽  
Case Presentation ◽  
Outer Quadrant ◽  
Adenoid Cystic ◽  
Incorrect Diagnosis ◽  
Cystic Changes

Abstract Background Adenomyoepithelioma (AME) of the breast is a rare subtype of breast tumor. Most of AMEs reported are solid, however, cystic or prominent cystic changes are extremely rare. Case presentation A 51-year-old woman presented a lump in the upper outer quadrant of right breast, and it was accompanied by continuous breast pain and bilateral axillary itching for more than 2 months. There were no other symptoms found. Preoperative mammography and ultrasound examination were performed. Mammography showed a noncalcified lobulated mass, and it was considered to be a benign cyst with septum on ultrasound, but ductal carcinoma of breast, adenoid cystic carcinoma could not be excluded. At first, AME was not considered preoperatively, because the imaging features of this rare tumor may vary widely, which may result in an incorrect diagnosis. But eventually, AME was diagnosed by postoperative pathology and immunohistochemistry. Conclusion We herein present a rare case of breast AME with prominent cystic changes. AME has no-specific imaging features, but the benign or malignant nature of the lesion might be suspected on imaging.

scholarly journals EFFECTS OF VARIOUS AVERSIVE ENVIRONMENTS ON OXYGEN CONSUMPTION OF MUSCLE AND BLOOD IN MICE UNDER CONDITIONS OF THE “FORCED SWIMMING” TEST

2019 ◽  
Vol 7 (3) ◽  
pp. 148-157
Author(s):  
A. V. Voronkov ◽  
A. D. Gerashchenko ◽  
D. I. Pozdnyakov ◽  
D. V. Khusainov
Keyword(s):  
Oxygen Consumption ◽  
Muscle Tissue ◽  
Forced Swimming Test ◽  
Cold Water ◽  
Physical Exertion ◽  
Forced Swimming ◽  
Striated Muscles ◽  
Working Capacity ◽  
Intact Group ◽  
Swimming Test

The aim of the study is to assess the effect of various aversive environments on the oxygen consumption in muscles and blood in mice Under conditions of the “forced swimming” test.Materials and methods. The study was performed on outbred male mice. Exhausting physical activity was modeled in the “forced swimming” test in various aversive environments. The oxygen consumption by the muscle tissue, as well as the oxygen capacity of the blood, were estimated using the respirometry method (AKPM1-01L (“Alfa Bassens”, Russia)).Results. In the course of the study it was found out that in the group of the animals swimming in hot water (at the temperature of 41°C) as an aversive environment, there was no significant change in the oxygen consumption by mitochondria of striated muscle and by red blood cells in comparison with the intact group of the animals. At the same time, in the group of the mice, where cold water (at the temperature of 15°C) as an aversive environment was used, a statistically significant (by the end of the experiment) decrease in the swimming time was observed in relation to the intact group of the animals. It was accompanied by a decrease in the oxygen consumption by muscle mitochondria, with a constant level of the blood oxygenation. Under conditions of exhausting physical exertion, in the group of the animals that received Metaprot®, an increase in working capacity was noted in both hot and cold water. After peak days of working capacity, a slight decrease in physical activity was observed in both experimental groups. At the same time, it should be noted that oxygenation of blood and muscle tissue against the background of exhausting physical exertion in the group that received Metaprot®, did not differ from the group of intact animals in various aversive environments.Conclusion. Thus, based on the obtained data, it can be assumed that under conditions of “forced swimming” with loading, the most profound changes in the structure and functions of the striated muscles are observed in animals in cold (15°С) water That is reflected in a decrease in the physical strain and in reducing the oxygen consumption by muscle tissue. The use of the drug Metaprot® promoted correcting the changes in the physical performance of the animals, which was reflected in its increase by 144.8% (p <0.05), compared with the initial swimming time of this group, without the oxygen consumption by erythrocytes and mitochondria of striated muscles. 

scholarly journals Contrast-enhanced ultrasound of kidneys in patients with type 2 diabetes and chronic pyelonephritis: a new dosage of the contrast-enhanced agent

2021 ◽  
Author(s):  
A.V. Borsukov ◽  
S.B. Krukovskiy ◽  
L.N. Markelova ◽  
O.A. Gorbatenko ◽  
D.Yu. Venidiktova
Keyword(s):  
Contrast Agent ◽  
Ultrasound Examination ◽  
Chronic Pyelonephritis ◽  
Contrast Enhanced Ultrasound ◽  
Diagnostic Efficacy ◽  
Contrast Enhanced ◽  
Group 2 ◽  
Improved Technique ◽  
Medical University ◽  
Group 1

Objective. To evaluate the diagnostic efficacy of the contrast-enhanced ultrasound examination of kidneys in patients with chronic pyelonephritis with a dose of injected contrast agent – 1.0 ml. Materials and methods. In 2020, 20 patients with chronic pyelonephritis were examined on the basis of the Fundamental research laboratory “Diagnostic Researches and Minimally Invasive Technologies”, Smolensk State Medical University. All patients underwent ultrasound examination Doppler mapping mode of the kidneys and the. Also, all patients underwent contrast-enhanced ultrasound examination of the kidneys for the diagnosis of angionephrosclerosis. Results. Using the improved technique in patients of group 2 compared with patients in group 1, the quality of the images obtained was preserved. In patients of group 1 with chronic pyelonephritis, the quantitative indicators correspond to the initial manifestations of angionephrosclerosis. Conclusion. Thus, the improved CEUS technique with the use of 1.0 ml of contrast agent showed good possibilities in the diagnosis of angionephrosclerosis in patients with chronic pyelonephritis.

Distribution of c-protein isoforms in sarcomeres of developing chick skeletal muscle

1988 ◽  
Vol 46 ◽  
pp. 226-227
Author(s):  
D. A. Fischman ◽  
J. E. Dennis ◽  
T. Obinata ◽  
H. Takano-Ohmuro
Keyword(s):  
Skeletal Muscles ◽  
Thick Filament ◽  
Protein Isoforms ◽  
Actin Binding ◽  
Striated Muscles ◽  
C Protein ◽  
Sarcomeric Protein ◽  
Thick Filaments ◽  
Cross Bridges ◽  
Bridge Bearing

C-protein is a 150 kDa protein found within the A bands of all vertebrate cross-striated muscles. By immunoelectron microscopy, it has been demonstrated that C-protein is distributed along a series of 7-9 transverse stripes in the medial, cross-bridge bearing zone of each A band. This zone is now termed the C-zone of the sarcomere. Interest in this protein has been sparked by its striking distribution in the sarcomere: the transverse repeat between C-protein stripes is 43 nm, almost exactly 3 times the 14.3 nm axial repeat of myosin cross-bridges along the thick filaments. The precise packing of C-protein in the thick filament is still unknown. It is the only sarcomeric protein which binds to both myosin and actin, and the actin-binding is Ca-sensitive. In cardiac and slow, but not fast, skeletal muscles C-protein is phosphorylated. Amino acid composition suggests a protein of little or no αhelical content. Variant forms (isoforms) of C-protein have been identified in cardiac, slow and embryonic muscles.

Modulation of carotid strain by statin therapy in atherosclerosis patients

VASA ◽  
2017 ◽  
Vol 46 (2) ◽  
pp. 108-115 ◽  
Author(s):  
Christian Alexander Schaefer ◽  
Anna Katharina Blatzheim ◽  
Sebastian Gorgonius Passon ◽  
Kristin Solveig Pausewang ◽  
Nadjib Schahab ◽  
...  
Keyword(s):  
Statin Therapy ◽  
Pulse Wave ◽  
Ultrasound Examination ◽  
Ankle Brachial Index ◽  
Radial Strain ◽  
Strain Analysis ◽  
Duplex Ultrasound ◽  
Strain Imaging ◽  
The Common

Abstract. Background: The beneficial effect of statin therapy on the progress of atherosclerotic disease has been demonstrated by numerous studies. Vascular strain imaging is an arising method to evaluate arterial stiffness. Our study examined whether an influence of statin therapy on the vessel wall could be detected by vascular strain imaging. Patients and methods: 88 patients with recently detected atherosclerosis underwent an angiological examination including ankle-brachial index (ABI), pulse wave index (PWI), central puls ewave velocity and duplex ultrasound. Captures for vascular strain analysis were taken in B-mode during ultrasound examination of the common carotid artery and evaluated using a workstation equipped with a speckle tracking based software. A statin therapy was recommended and after six months a follow-up examination took place. Meanwhile, the non-adherence of a group of patients (N = 18) lead to a possibility to observe statin effects on the vascular strain. Results: In the statin non-adherent group the ABI decreased significantly to a still non-pathological level (1.2 ± 0.2 vs. 1.0 ± 0.2; p = 0.016) whereas it stagnated in the adherent group (1.0 ± 0.2 vs. 1.0 ± 0.2; p = 0.383). The PWI did not differ in the non-adherent group (180.5 ± 71.9 vs. 164.4 ± 75.8; p = 0.436) but under statin therapy it decreased significantly (261.8 ± 238.6 vs. 196.4 ± 137.4; p = 0.016). In comparison to the adherent group (4.2 ± 2.0 vs. 4.0 ± 1.8; p = 0.548) under statin therapy the radial strain decreased significantly in the non-adherent group (4.7 ± 2.0 vs. 3.3 ± 1.1; p = 0.014). Conclusions: Our findings reveal a beneficial influence of statin therapy on the arterial wall detected by vascular strain analysis.

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