A Recent Short Review in Non-Invasive Magnetic Resonance Imaging on Assessment of HCC Stages: MRI Findings and Pathological Diagnosis

Ahmad, Muntaser S.; Suardi, Nursakinah; Shukri, A.; Razak, Nik Noor Ashikin Nik Ab; Oglat, Ammar A.; Mohammad, Hjouj

doi:10.17554/j.issn.2224-3992.2020.09.881

Cited by 15 publications

(8 citation statements)

References 52 publications

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“…Muscle degeneration caused by any disease through special muscle resistance training or heavy manual labor will lead to changes in the content of muscle fibers in the skeletal muscle compared to normal people, as well as changes in the amount of blood perfusion in the skeletal muscle. However, the intense activity of the target muscle group before the examination will increase the content of water molecules in the intracellular and intercellular space of the skeletal muscle, thus interfering with the experimental results [ 8 ]. Therefore, the selection criteria for volunteers are listed below: Normal serial MRI scans of healthy adult volunteers showed no abnormalities in lumbar and paravertebral muscles Light manual workers, such as student civil servants Within 48 hours before the scanning, the volunteers had not done strenuous exercise such as running, playing ball, fitness, and swimming Fasting within 2 hours prior to scanning and coffee drinking within 24 hours prior to scanning …”

Section: Methodsmentioning

confidence: 99%

Magnetic Resonance Imaging Assessment of Fatigue Injury during Exercise

et al. 2022

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In order to investigate the changes of temporal function metabolism of lumbar and back muscles after exercise, a magnetic resonance imaging- (MRI-) based assessment of fatigue injury during exercise was proposed. A total of 100 healthy adult volunteers were selected, including 48 males and 52 females, aged from 19 to 30 years, with an average age of 24.8 + 2.3 years. They were divided into four groups according to the different time points of 0, 15, 30, and 45 minutes after exercise, with 25 persons in each group. PHILIPS Achieva 3.0 T Tx MRI scanner was used to perform BOLD and T2-mapping before and after exercise in four groups of healthy volunteers. All data were analyzed by statistical software. The results showed that the total CSA of the dorsi extensor muscle group and the CSA value of the dorsi extensor muscle group at different levels at different time points before and after exercise increased slowly in exercise period and decreased rapidly in recovery period. It was verified that BOLD MRI and T2-mapping imaging can indirectly evaluate the trend of CSA water metabolism and blood oxygen level in healthy adults after exercise.

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Section: Methodsmentioning

confidence: 99%

Magnetic Resonance Imaging Assessment of Fatigue Injury during Exercise

et al. 2022

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“…MRI phantom should have several characteristics compatible with MRI technology, these characteristics include tissue-specific relaxation for both; longitudinal relaxation time (T1) and transverse relaxation time (T2); variation of signal intensity with temperature changing; the mechanical properties should be fixed over an extended period [36]; and the phantom should be suitable to fit in the existing MRI coils [37]. The recovery time and decaying time depend on molecular motion in the local environment.…”

Section: Magnetic Resonance Phantomsmentioning

confidence: 99%

Multimodal Imaging of Hepatocellular Carcinoma Using Dynamic Liver Phantom

Ahmad¹,

Makhamrah²,

Hjouj³

2022

Hepatocellular Carcinoma - Challenges and Opportunities of a Multidisciplinary Approach

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Liver phantom is used at various medical levels, such as detecting hepatocellular carcinoma (HCC) in the early stages, training medical staff to deal with HCC by taking biopsies, developing new sequences on medical imaging devices, confirming the image quality, applying treatments to HCC, and others. All of the trials should be applied before entering the real human body. The phantom includes properties very similar to those of the human body, as well as the properties of liver cancer and how it is treated within the body through its biological form. Therefore, the present chapter aims to provide comprehensive information to consider when fabricating HCC-containing phantoms and the characteristics of those phantoms in proportion to multimodal medical imaging to aid in understanding the main target of dynamic phantom for HCC.

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“…Many technologies using ionizing radiation have appeared with the advancement of technology such as gamma rays in nuclear medicine and X-rays in mammography, computed tomography, bone densitometry, fluoroscopy, conventional radiology, and interventional radiology [ 6 , 9 , 10 ]. On the other side, there are different technologies using non-ionizing radiations such as MRI and US [ 11 , 12 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Diagnostic Imaging Sector in Public Hospitals in Northern Jordan

Oglat

2022

Healthcare

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The most effective diagnostic methods in the medical field are diagnostic imaging techniques such as radiography, computed tomography (CT), magnetic resonance imaging (MRI), and nuclear medicine, which are used to visualize internal body to diagnose it, determine potential treatment, and evaluate and forecast care results. Therefore, the purpose of this research is to assess the diagnostic imaging sector, at three major public hospitals in the northern part of Jordan, according to regional and global requirements. The assessment approach was based on knowledge of the accessibility of diagnostic imaging equipment and its quality assurance and performance, the quantity and efficiency of radiological technologists, and the design of radiology units and medical imaging chambers in many aspects based on the use of two tools, a questionnaire and checklists, to accomplish a comprehensive evaluation. The response rate of radiological technologists was 66%. The assessment reveals a noticeable increase in the number of radiological technologists in general with high academic qualification level. Additionally, the number of diagnostic imaging equipment in Jordan revealed a large deficiency in the population–device balance, and through checklists that evaluated both CT and MRI units, it was revealed that the rate of following global requirements and occupational health and safety (OHS) standards was high. The basic supplies available in both the CT and MRI units alike were high, which indicates the high quality of healthcare provided in Jordan.

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A Recent Short Review in Non-Invasive Magnetic Resonance Imaging on Assessment of HCC Stages: MRI Findings and Pathological Diagnosis

Cited by 15 publications

References 52 publications

Magnetic Resonance Imaging Assessment of Fatigue Injury during Exercise

Magnetic Resonance Imaging Assessment of Fatigue Injury during Exercise

Multimodal Imaging of Hepatocellular Carcinoma Using Dynamic Liver Phantom

Assessment of Diagnostic Imaging Sector in Public Hospitals in Northern Jordan

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