Radiology Research and Practice最新文献

{"title":"Massive Splenic Infarction in a Child. Literature Review and Comparative Observations","authors":"E. B. Olkhova, N. Sholokhova, T. V. Mukaseeva, N. R. Shamratova, N. A. Savitskaya, O. V. Lukovkina","doi":"10.52560/2713-0118-2022-4-42-56","DOIUrl":"https://doi.org/10.52560/2713-0118-2022-4-42-56","url":null,"abstract":"Massive splenic infarction (SI) is an extremely rare disease in childhood, the genesis of which is not always clear. Most often in children, SI develops against the background of oncohematological (in particular, myeloid leukemia), hematological (sickle cell anemia) and infectious (malaria, mononucleosis, cytomegalovirus infection) diseases and is small in size. Two own observations are presented, unique in the absence of a clear cause of SI and the massiveness of the lesion. In the first case, a 10­year­old girl was admitted to the hospital on about the 10th day of illness with complaints of undefined abdominal pain, about which she had already twice applied to other hospitals in Moscow. SI was suspected on ultrasound and confirmed on CT, and then the echographic dynamics of SI was followed for more than 2 months. Against the background of anticoagulant, antibacterial and symptomatic therapy, recovery was achieved. In the second case, total SI was observed in a premature infant with severe multiple organ failure. The publication is extensively illustrated and contains a brief review of the literature.","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"43 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91335983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analysis of Quantitative Data of Arterial Spin Labeling Perfusion of the Liver at Admission and Follow up of Patients with Viral Cirrhosis","authors":"T. Morozova, E. Simakina, T. D. Gel't","doi":"10.52560/2713-0118-2022-4-9-19","DOIUrl":"https://doi.org/10.52560/2713-0118-2022-4-9-19","url":null,"abstract":"The aim of this work is to analyze quantitative data of magnetic resonance ASL-perfusion of the liver at admission and follow up of patients with viral cirrhosis.The study included 34 patients with viral liver cirrhosis: 23 (67.6 %) men and 11 (32.4 %) women. All subjects underwent abdominal ultrasound with Dopplerography of the abdominal vessels, shear wave elastography, Arterial spin Labeling (ASL) — Perfusion of the liver by magnetic resonance imaging. Post-processing of ASL-perfusion images was carried out, their quantitative assessment in regenerative liver nodules and the parenchyma structure was carried out. It was found that for patients with liver cirrhosis according to Child-Pugh Class A, regardless of the degree of activity, the values of ASL-perfusion of the liver were 99.6 ± 1.8 ml/100g/min, with class B — 95.6 ± 4.9 ml/100g/min, with class C — 98.5 ± 2.6 ml/100g/min. To determine the diagnostic significance of liver ASL-perfusion, a generalized prognosis ratio ΔM = MNBF/ MHBF was calculated, where MNBF is a quantitative indicator of volumetric blood flow in the regenerative nodule, MHBF is a quantitative indicator of volumetric hepatic blood flow in the surrounding parenchyma. The results obtained by ASL-perfusion were compared with the data of shear wave elastography.For patients with viral liver cirrhosis the quantitative indicator of ASL-perfusion of the liver is less than 101.4 ml/100g/min. To predict the course of viral etiology cirrhosis, the prognosis ratio ΔM should be taken, and if ΔM > 1, this indicates a poor prognosis (fibrosis progression), if ΔM ≤ 1 — a favorable one (no fibrosis progression). Diagnostic and prognostic significance of ASL-liver perfusion for patients with viral cirrhosis at admission to the hospital — AUROC = 0.865 (95 % CI 0.843–0.928) and follow up — AUROC = 0.915 (95 % CI 0.881–0.946).","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"106 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75719347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Present Status of Diagnostic Imaging of Postoperative Complications after Orthognatic Interventions (Literature Review)","authors":"E. Y. Lazarenko, D. A. Lezhnev, A. Drobyshev","doi":"10.52560/2713-0118-2022-4-30-41","DOIUrl":"https://doi.org/10.52560/2713-0118-2022-4-30-41","url":null,"abstract":"This article presents a review of foreign literature on the methods of diagnostics imaging of postoperative complications in orthognathic surgery. After the analysis, it can be argued that high-tech methods, such as computed tomography, cone beam computed tomography have improved the possibilities of imaging diagnostics in obtaining clinically significant information about postoperative complications of the maxillofacial region. Nevertheless, it should be noted that foreign sources not cover such issues as: tomographic semiotics of postoperative complications in orthognatic surgery, the role and place of radiation technologies in the examination of patients with postoperative complications; don`t specified indications and contraindications for use of each methods.","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"22 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74075914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of COVID-19 Pandemic on Trauma CT Imaging","authors":"Y. Yan, Kai Hu, K. Shek, Jun Li, S. Attalla, John Ross Bonanni, J. Shankar, Lisa McPhee","doi":"10.1155/2022/9596148","DOIUrl":"https://doi.org/10.1155/2022/9596148","url":null,"abstract":"Purpose The goal of this study was to understand the impact of COVID-19 pandemic and associated lockdown measures on the volume, rate, and type of trauma presenting to the emergency department (ED) by using trauma-initiated CT studies to capture patient data. Materials and Methods We performed a retrospective observational study comparing patients undergoing CT scans for trauma during the 1st and 2nd lockdown periods compared to corresponding prepandemic months. During two lockdown periods, public places such as restaurants, libraries, parks, and shops across the province were shut down. Government-led messaging advised that people should stay at home and practice social distancing. The rate of trauma-initiated CT scans and the proportion of different types of traumas were compared between time periods. Results There was no significant difference in overall trauma-initiated CT scans between the prepandemic and pandemic levels. Motor vehicle collision (MVC) cases decreased from 18.2% to 15.6% during the first lockdown period (p = 0.049) and also reduced from 29.1% to 25.2% during the second lockdown period (p = 0.013). Trauma from falls increased from 19.1% to 27.5% (p = 0.036) during the first lockdown, despite no significant change during the 2nd lockdown. Furthermore, the percentage of stab injuries increased from 25.0% to 38.9% while blunt trauma decreased from 68.5% to 54.3% during two lockdowns (p = 0.015). Conclusion The total number of trauma-initiated CT scans did not significantly decrease during the lockdown periods. Stabbings and falls increased during lockdown periods while MVCs and blunt trauma decreased.","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"54 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77608288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Volumetric Analysis of the Jaws in Skeletal Class I and III Patients with Different Facial Divergence Using CBCT Imaging","authors":"Rama Yasser Alhawasli, M. Ajaj, M. Y. Hajeer, Assil Mohammad Raef Al-Zahabi, Luai Mahaini","doi":"10.1155/2022/2416555","DOIUrl":"https://doi.org/10.1155/2022/2416555","url":null,"abstract":"Aim The main objective was to evaluate any possible maxillary or mandibular volumetric difference between hyperdivergent skeletal Class III (CIII), normodivergent skeletal CIII, hypodivergent skeletal CIII, and normodivergent skeletal Class I (CI) patients using cone-beam computed tomography (CBCT) images. Also, the secondary objective was to investigate any possible correlation between CBCT-derived lateral cephalometric variables and the mandibular and maxillary volumes (MdV and MxV, respectively). Materials and Methods 80 CBCT images of patients between 18 and 32 years of age were taken with one CBCT imaging device (Scanora 3D®, Soredex, Tuusula, Finland). The sample consisted of four groups: 20 hypodivergent skeletal CIII (11 males and 9 females), 20 normodivergent skeletal CIII (7 males and 13 females), 20 hyperdivergent skeletal CIII (8 males and 12 females), and 20 normodivergent skeletal CI (5 males and 15 females). The volumes of both jaws and the ratio of MxV/MdV were obtained using Mimics™ 19 software (Materialise, NV, Belgium), and 2D variables were obtained from CBCT-derived lateral cephalogram using AudaxCeph™ software (Orthodontic software suite, Ljubljana, Slovenia). One-way ANOVA test and Kruskal–Wallis analysis were employed to detect any possible significant difference between the volumetric variables, whereas Pearson's and Spearman's correlation coefficients were calculated to detect any possible relationship between the 2D variables and the volumetric measurements. Results There were no statistically significant differences in the maxillary volume or maxillary/mandibular ratio between the four groups (p=0.081 and 0.432, respectively). There was a significant difference in MdV between CIII hypodivergent (higher mean) and CIII hyperdivergent (p=0.039). There were some correlations between the MdV and 2D variables in the four studied groups especially in the posterior facial height (S-Go) and the facial depth (N-Go). There were some weaker correlations between the MxV and some 2D variables in the CIII hypodivergent and hyperdivergent groups. Conclusions The mandibular volume of the Class III hypodivergent patient was significantly greater than that of the Class III hyperdivergent patients. Correlations between the maxillary or mandibular volumes were found with some of the 2D variables. The volume of both jaws increased when the maxillofacial complex moved toward a horizontal growth pattern.","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"151 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79529873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinic and Computed Tomographic Imaging of Lung Pathology in COVID-19 Comorbidity, Tuberculosis and Opportunistic Diseases in Patients with HIV Infection","authors":"A. V. Mishina, V. Mishin, D. A. Lezhnev, A. L. Sobkin","doi":"10.52560/2713-0118-2022-3-24-38","DOIUrl":"https://doi.org/10.52560/2713-0118-2022-3-24-38","url":null,"abstract":"The clinic and computer tomographic imaging of lung pathology in COVID-19 comorbidity, tuberculosis and opportunistic diseases in patients with stage IV of HIV infection, in the phase of progression, in the absence of ART in 29 patients compared with similar 29 patients, but without COVID-19 were studied. It was found that the comorbidity of COVID-19 and tuberculosis, stage IV of HIV infection, in the phase of progression, in the absence of ART is characterized by the generalization of tuberculosis and the development of opportunistic lung diseases, severe clinical picture and visualization with computed tomography of dissemination syndrome, pulmonary pattern pathology and adenopathy, which practically does not differ from patients without COVID-19. It is not possible to diagnose this comorbidity by clinical and radiation methods of research. Special microbiological and molecular genetic methods are needed to study diagnostic material from the respiratory system and other organs in order to prescribe timely etiological treatment.","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"81 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84132175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Role of Magnetic Resonance Cholangiopancreatography in the Diagnosis of Cystic Transformation Hepaticocholedoch and Possible Postoperative Complications (Clinical Case)","authors":"O. V. Lukovkina, N. Sholohova, Y. Sokolov, T. V. Utkina","doi":"10.52560/2713-0118-2022-3-74-82","DOIUrl":"https://doi.org/10.52560/2713-0118-2022-3-74-82","url":null,"abstract":"The article presents a description of a clinical case in a 7-year old child suffering occasional abdominal pain. An examination (3D magnetic resonance cholangiopancreatography) revealed a choledoch duct cyst type Iс. Surgical correction of congenital malformation of bile ducts was performed due to periodic attacks of pain, presence of concretions in the ducts, the possibility of malignification in the future and the development of possible complications. The clinical example demonstrates the high efficiency of MRCP for assessing anatomical and topographic relationships and concomitant structural anomalies that allow planning the tactics of surgical treatment. MRCP is important to use in the postoperative period to assess possible complications.","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"149 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86205696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Using Magnetic Resonance Liver Non-Contrast Perfusion in Patients with Diffuse Liver Diseases","authors":"A. Telesh, T. Morozova","doi":"10.52560/2713-0118-2022-3-39-50","DOIUrl":"https://doi.org/10.52560/2713-0118-2022-3-39-50","url":null,"abstract":"The aim of this work is to evaluate possibilities of MR liver non-contrast perfusion in patients with diffuse liver diseases (DLD). Laboratory data, results of ultrasound examination with doppler ultrasonography of liver vessels, results of MRI with non-contrast MR perfusion (ASL-perfusion) of the liver was estimated in a group of patients with DLD. Potentials of assessment of ASL liver perfusion for clinical form prediction are described in the article. Potentials of using the assessment of ASL liver perfusion for information about a liver blood flow type and process activity indicators by blood chemistry are also described. It was established, that ASL MR of the liver is recommended to use in patients with diffuse liver diseases who admitted to a hospital, then in 1 month (in case of hypo/hyperperfusion) or in 6 months (in case of normal perfusion).","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"18 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88593179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the Efficacy of Neoadjuvant Radiation Twice a Day Fractionation Therapy in Patients with Resectable Pancreatic Head Cancer","authors":"L. Korytova, D. Sklyar, E. V. Vlasova, A. Pavlovskiy, A. Polikarpov, E. V. Moiseenko, O. Korytov","doi":"10.52560/2713-0118-2022-2-9-23","DOIUrl":"https://doi.org/10.52560/2713-0118-2022-2-9-23","url":null,"abstract":"The coronavirus of severe acute respiratory syndrome-2 (SARS-CoV-2) and the coronavirus infection caused by it, along with damage to the respiratory system, can lead to disorders of the central and peripheral nervous system. The article presents literature data and own observations of neurological disorders in patients with coronavirus disease in the superacute period. Pronounced neurological disorders are mainly observed in severe coronavirus disease and include acute ischemic stroke, subcortical micro- and macro— bleeding, acute necrotizing encephalopathy, Guillain-Barre syndrome. Factors potentially complicating the course of coronavirus disease and contributing to the development of neurological complications are hypertension, diabetes mellitus, chronic diseases of the heart and respiratory system. Based on existing publications and our own observations, we have systematized information about the relationship between coronavirus disease and neurological disorders, about possible factors contributing to the occurrence of stroke. The possibilities of using chest MSCT as the only method of radiation diagnostics for the early detection of viral pneumonia in patients receiving emergency and emergency care at the regional vascular center of BUZOO «GC BSMP No. 1» are considered. The use of this method, in the ultra-acute period of acute ischemic stroke, during the first 40 minutes from the moment of admission, can significantly reduce the time of diagnosis and mortality in patients with acute ischemic stroke and viral pneumonia.","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"1 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76714760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multimodal Approach in the Diagnosis of Hippel – Lindau Disease. Case Report","authors":"D. S. Stegura, R. Konovalov, M. Krotenkova, M. Dreval’, P. Anufriev, A. N. Kovaleva, D. D. Kuryshev","doi":"10.52560/2713-0118-2022-2-84-93","DOIUrl":"https://doi.org/10.52560/2713-0118-2022-2-84-93","url":null,"abstract":"Hippel-Lindau  disease is a rare hereditary combined pathology characterized by development of a variety of benign and malignant tumors in the central nervous system, kidneys, pancreas, adrenal glands, which causes a wide range of clinical manifestations. A comprehensive diagnostic approach using various imaging techniques such as ultrasound, magnetic resonance imaging, computed tomography, and genetic testing is an integral part of successful treatment.","PeriodicalId":51864,"journal":{"name":"Radiology Research and Practice","volume":"46 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82883946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}