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MEDICAL SCIENCES (2410 journals)            First | 3 4 5 6 7 8 9 10 | Last

Showing 1201 - 1400 of 3562 Journals sorted alphabetically
Journal of Evidence-Based Integrative Medicine     Open Access   (Followers: 18)
Journal of Evidence-Based Medicine     Partially Free   (Followers: 4)
Journal of Exercise Science & Fitness     Open Access   (Followers: 29)
Journal of Experimental and Clinical Anatomy     Open Access   (Followers: 2)
Journal of Family and Community Medicine     Open Access   (Followers: 3)
Journal of Family Medicine and Primary Care     Open Access   (Followers: 11)
Journal of Foot and Ankle Research     Open Access   (Followers: 5)
Journal of Forensic Science and Research     Open Access   (Followers: 2)
Journal of Gandaki Medical College-Nepal     Open Access  
Journal of Generic Medicines     Hybrid Journal   (Followers: 2)
Journal of Geographical Sciences     Hybrid Journal   (Followers: 1)
Journal of Global Antimicrobial Resistance     Hybrid Journal   (Followers: 3)
Journal of Hand Therapy     Hybrid Journal   (Followers: 19)
Journal of Head & Neck Physicians and Surgeons     Open Access   (Followers: 2)
Journal of Health & Medical Informatics     Open Access   (Followers: 61)
Journal of Health and Biological Sciences     Open Access   (Followers: 1)
Journal of Health Design     Open Access   (Followers: 1)
Journal of Health Economics and Outcomes Research     Open Access   (Followers: 1)
Journal of Health Promotion and Behavior     Open Access  
Journal of Health Research and Reviews     Open Access  
Journal of Health Science and Medical Research     Open Access  
Journal of Health Science Research     Open Access  
Journal of Health Sciences     Open Access   (Followers: 1)
Journal of health sciences     Open Access  
Journal of Health Sciences / Sağlık Bilimleri Dergisi     Open Access  
Journal of Health Sciences and Medicine     Open Access  
Journal of Health Sciences and Medicine     Open Access   (Followers: 2)
Journal of Health Sciences and Surveillance System     Open Access  
Journal of Health Sciences Scholarship     Open Access  
Journal of Health Specialties     Open Access  
Journal of Health Studies     Open Access  
Journal of Healthcare Informatics Research     Hybrid Journal   (Followers: 1)
Journal of Heavy Metal Toxicity and Diseases     Open Access  
Journal of Helminthology     Hybrid Journal   (Followers: 2)
Journal of Herbs Spices & Medicinal Plants     Hybrid Journal  
Journal of HIV for Clinical and Scientific Research     Open Access   (Followers: 2)
Journal of Hospital Medicine     Hybrid Journal   (Followers: 11)
Journal of Huazhong University of Science and Technology [Medical Sciences]     Hybrid Journal  
Journal of Human Hypertension     Hybrid Journal   (Followers: 3)
Journal of Human Rhythm     Open Access  
Journal of Human Transcriptome     Open Access  
Journal of Ideas in Health     Open Access  
Journal of Inflammation     Open Access   (Followers: 2)
Journal of Inflammation Research     Open Access  
Journal of Injury and Violence Research     Open Access   (Followers: 7)
Journal of Innovation in Health Informatics     Open Access   (Followers: 17)
Journal of Institute of Medicine     Open Access  
Journal of Insulin Resistance     Open Access   (Followers: 1)
Journal of Interactional Research in Communication Disorders     Hybrid Journal   (Followers: 5)
Journal of Interferon & Cytokine Research     Hybrid Journal   (Followers: 3)
Journal of International Medical Research     Open Access   (Followers: 3)
Journal of Interventional Medicine     Open Access   (Followers: 1)
Journal of Investigative Medicine     Hybrid Journal   (Followers: 3)
Journal of Islamabad Medical & Dental College     Open Access   (Followers: 2)
Journal of Istanbul Faculty of Medicine     Open Access  
Journal of Karnali Academy of Health Sciences     Open Access   (Followers: 1)
Journal of Kathmandu Medical College     Open Access   (Followers: 1)
Journal of King Abdulaziz University : Medical Sciences     Open Access   (Followers: 2)
Journal of Laboratory Medicine     Hybrid Journal   (Followers: 27)
Journal of Laryngology and Voice     Open Access   (Followers: 11)
Journal of Lasers in Medical Sciences     Open Access  
Journal of Law, Medicine & Ethics     Hybrid Journal   (Followers: 24)
Journal of Legal Medicine     Hybrid Journal   (Followers: 7)
Journal of Limb Lengthening & Reconstruction     Open Access  
Journal of Lumbini Medical College     Open Access   (Followers: 1)
Journal of Mahatma Gandhi Institute of Medical Sciences     Open Access  
Journal of Manipulative and Physiological Therapeutics     Hybrid Journal   (Followers: 6)
Journal of Manmohan Memorial Institute of Health Sciences     Open Access   (Followers: 1)
Journal of Marine Medical Society     Open Access  
Journal of Materials Science : Materials in Medicine     Hybrid Journal   (Followers: 4)
Journal of Maternal and Child Health     Open Access  
Journal of Mechanics in Medicine and Biology     Hybrid Journal  
Journal of Medical and Biological Engineering     Hybrid Journal   (Followers: 4)
Journal of Medical and Biomedical Sciences     Open Access   (Followers: 2)
Journal of Medical Case Reports     Open Access   (Followers: 1)
Journal of Medical Cases     Open Access   (Followers: 6)
Journal of Medical Colleges of PLA     Full-text available via subscription  
Journal of Medical Disorders     Open Access  
Journal of Medical Economics     Hybrid Journal   (Followers: 8)
Journal of Medical Education and Curricular Development     Open Access   (Followers: 6)
Journal of Medical Ethics     Partially Free   (Followers: 25)
Journal of Medical Ethics and History of Medicine     Open Access   (Followers: 17)
Journal of Medical Humanities     Hybrid Journal   (Followers: 21)
Journal of Medical Hypotheses and Ideas     Open Access  
Journal of Medical Imaging and Health Informatics     Full-text available via subscription   (Followers: 1)
Journal of Medical Investigation and Practice     Open Access  
Journal of Medical Laboratory and Diagnosis     Open Access  
Journal of Medical Law and Ethics     Full-text available via subscription   (Followers: 16)
Journal of Medical Microbiology     Full-text available via subscription   (Followers: 6)
Journal of Medical Sciences     Open Access  
Journal of Medical Sciences     Open Access  
Journal of Medical Screening     Hybrid Journal   (Followers: 6)
Journal of Medical Signals and Sensors     Open Access   (Followers: 3)
Journal of Medical Society     Open Access  
Journal of Medical Systems     Hybrid Journal  
Journal of Medical Toxicology     Hybrid Journal   (Followers: 6)
Journal of Medical Ultrasound     Open Access   (Followers: 2)
Journal of Medicinal Botany     Open Access  
Journal of Medicinal Chemistry     Hybrid Journal   (Followers: 203)
Journal of Medicine     Open Access   (Followers: 1)
Journal of Medicine and Biomedical Research     Open Access   (Followers: 1)
Journal of Medicine and Philosophy     Hybrid Journal   (Followers: 8)
Journal of Medicine and the Person     Hybrid Journal  
Journal of Medicine in Scientific Research     Open Access  
Journal of Medicine in the Tropics     Open Access  
Journal of Medicine Research and Development     Open Access   (Followers: 3)
Journal of Medicine, Physiology and Biophysics     Open Access   (Followers: 5)
Journal of Medicines Development Sciences     Open Access   (Followers: 1)
Journal of Metabolomics & Systems Biology     Open Access   (Followers: 2)
Journal of Mind and Medical Sciences     Open Access   (Followers: 1)
Journal of Molecular Medicine     Hybrid Journal   (Followers: 11)
Journal of Movement Disorders     Open Access   (Followers: 2)
Journal of Muscle Research and Cell Motility     Hybrid Journal   (Followers: 1)
Journal of Nanotechnology in Engineering and Medicine     Full-text available via subscription   (Followers: 6)
Journal of Nanotheranostics     Open Access   (Followers: 1)
Journal of Natural Medicines     Hybrid Journal  
Journal of Natural Science, Biology and Medicine     Open Access   (Followers: 3)
Journal of Nature and Science of Medicine     Open Access   (Followers: 4)
Journal of Negative and No Positive Results     Open Access  
Journal of Nepalgunj Medical College     Open Access  
Journal of Neurocritical Care     Open Access  
Journal of Neurodegenerative Diseases     Open Access   (Followers: 2)
Journal of Neurorestoratology     Open Access  
Journal of Neuroscience and Neurological Disorders     Open Access  
Journal of Nobel Medical College     Open Access  
Journal of Obesity and Bariatrics     Open Access   (Followers: 1)
Journal of Occupational Health     Open Access  
Journal of Occupational Therapy Education     Open Access   (Followers: 11)
Journal of Ocular Biology, Diseases, and Informatics     Hybrid Journal  
Journal of Oral Biology and Craniofacial Research     Full-text available via subscription  
Journal of Oral Health and Craniofacial Science     Open Access  
Journal of Orofacial Sciences     Open Access  
Journal of Otorhinolaryngology, Hearing and Balance Medicine     Open Access   (Followers: 1)
Journal of Ovarian Research     Open Access  
Journal of Ozone Therapy     Open Access  
Journal of Palliative Medicine     Hybrid Journal   (Followers: 47)
Journal of Paramedical Sciences & Rehabilitation     Open Access  
Journal of Parkinsonism and Restless Legs Syndrome     Open Access   (Followers: 2)
Journal of Parkinson’s Disease and Alzheimer’s Disease     Open Access   (Followers: 1)
Journal of Participatory Medicine     Open Access  
Journal of Patan Academy of Health Sciences     Open Access  
Journal of Pathogens     Open Access   (Followers: 1)
Journal of Patient Experience     Open Access  
Journal of Patient Safety and Risk Management     Hybrid Journal   (Followers: 2)
Journal of Patient-Centered Research and Reviews     Open Access  
Journal of Patient-Reported Outcomes     Open Access  
Journal of Periodontal Research     Hybrid Journal  
Journal of Personalized Medicine     Open Access   (Followers: 3)
Journal of Pest Science     Hybrid Journal   (Followers: 1)
Journal of Pharmaceutical Policy and Practice     Open Access   (Followers: 4)
Journal of Physiobiochemical Metabolism     Hybrid Journal   (Followers: 2)
Journal of Physiology-Paris     Hybrid Journal   (Followers: 2)
Journal of Pioneering Medical Sciences     Open Access  
Journal of Postgraduate Medicine     Open Access  
Journal of Pregnancy     Open Access   (Followers: 4)
Journal of Prevention & Intervention Community     Hybrid Journal   (Followers: 6)
Journal of Preventive Medicine and Public Health     Open Access  
Journal of Primary Prevention     Hybrid Journal   (Followers: 7)
Journal of Prosthodontic Research     Full-text available via subscription   (Followers: 1)
Journal of Prosthodontics     Hybrid Journal   (Followers: 2)
Journal of Receptor, Ligand and Channel Research     Open Access   (Followers: 1)
Journal of Regenerative Medicine     Partially Free   (Followers: 4)
Journal of Research in Medical Sciences     Open Access   (Followers: 2)
Journal of Science and Applications : Biomedicine     Open Access   (Followers: 1)
Journal of Science and Technology (Ghana)     Open Access   (Followers: 3)
Journal of Scientific Innovation in Medicine     Open Access  
Journal of Scientific Perspectives     Open Access   (Followers: 1)
Journal of Sensory Studies     Hybrid Journal   (Followers: 4)
Journal of Shaheed Suhrawardy Medical College     Open Access  
Journal of Shoulder and Elbow Arthroplasty     Open Access  
Journal of Sleep Disorders : Treatment & Care     Hybrid Journal   (Followers: 10)
Journal of South American Earth Sciences     Hybrid Journal   (Followers: 5)
Journal of Spinal Cord Medicine     Hybrid Journal   (Followers: 4)
Journal of Spinal Disorders & Techniques     Hybrid Journal   (Followers: 2)
Journal of Sports Medicine and Allied Health Sciences : Official Journal of the Ohio Athletic Trainers Association     Open Access   (Followers: 1)
Journal of Stem Cell Therapy and Transplantation     Open Access   (Followers: 1)
Journal of Stomal Therapy Australia     Full-text available via subscription  
Journal of Strength and Conditioning Research     Hybrid Journal   (Followers: 77)
Journal of Substance Use     Hybrid Journal   (Followers: 15)
Journal of Surgical Academia     Open Access   (Followers: 1)
Journal of Surgical and Clinical Research     Open Access  
Journal of Surgical Case Reports     Open Access  
Journal of Surgical Education     Full-text available via subscription   (Followers: 3)
Journal of Surgical Technique and Case Report     Open Access  
Journal of Systemic Therapies     Full-text available via subscription   (Followers: 3)
Journal of Taibah University Medical Sciences     Open Access  
Journal of Telemedicine and Telecare     Hybrid Journal   (Followers: 12)
Journal of The Academy of Clinical Microbiologists     Open Access  
Journal of the American Association for Laboratory Animal Science     Full-text available via subscription   (Followers: 9)
Journal of the American College of Certified Wound Specialists     Hybrid Journal   (Followers: 2)
Journal of the American College of Clinical Wound Specialists     Hybrid Journal   (Followers: 2)
Journal of the American Medical Directors Association     Hybrid Journal   (Followers: 5)
Journal of the American Medical Informatics Association : JAMIA     Hybrid Journal   (Followers: 36)
Journal of the American Podiatric Medical Association     Full-text available via subscription   (Followers: 7)
Journal of the Anatomical Society of India     Full-text available via subscription  
Journal of the Anus, Rectum and Colon     Open Access  
Journal of The Arab Society for Medical Research     Open Access  
Journal of the Australasian College of Nutritional and Environmental Medicine     Full-text available via subscription  
Journal of the Australasian Society of Aerospace Medicine     Open Access   (Followers: 1)
Journal of the Ceylon College of Physicians     Open Access  

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Similar Journals
Journal Cover
Journal of Medical Ultrasound
Journal Prestige (SJR): 0.146
Number of Followers: 2  

  This is an Open Access Journal Open Access journal
ISSN (Print) 0929-6441 - ISSN (Online) 2212-1552
Published by Medknow Publishers Homepage  [427 journals]
  • Progress in the ultrasonographic microvascular imaging

    • Authors: Hsu-Heng Yen
      Pages: 1 - 2
      Abstract: Hsu-Heng Yen
      Journal of Medical Ultrasound 2018 26(1):1-2

      Citation: Journal of Medical Ultrasound 2018 26(1):1-2
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_28_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • A review of medical doppler ultrasonography of blood flow in general and
           especially in common carotid artery

    • Authors: Ammar A Oglat, MZ Matjafri, Nursakinah Suardi, Mohammad A Oqlat, Mostafa A Abdelrahman, Ahmad A Oqlat
      Pages: 3 - 13
      Abstract: Ammar A Oglat, MZ Matjafri, Nursakinah Suardi, Mohammad A Oqlat, Mostafa A Abdelrahman, Ahmad A Oqlat
      Journal of Medical Ultrasound 2018 26(1):3-13
      Medical Doppler ultrasound is usually utilized in the clinical adjusting to evaluate and estimate blood flow in both the major (large) and the minor (tiny) vessels of the body. The normal and abnormal sign waveforms can be shown by spectral Doppler technique. The sign waveform is individual to each vessel. Thus, it is significant for the operator and the clinicians to understand the normal and abnormal diagnostic in a spectral Doppler show. The aim of this review is to explain the physical principles behind the medical Doppler ultrasound, also, to use some of the mathematical formulas utilized in the medical Doppler ultrasound examination. Furthermore, we discussed the color and spectral flow model of Doppler ultrasound. Finally, we explained spectral Doppler sign waveforms to show both the normal and abnormal signs waveforms that are individual to the common carotid artery, because these signs are important for both the radiologist and sonographer to perceive both the normal and abnormal in a spectral Doppler show.
      Citation: Journal of Medical Ultrasound 2018 26(1):3-13
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_11_17
      Issue No: Vol. 26, No. 1 (2018)
       
  • Inter-rater and intra-rater reliability of sonographic median nerve and
           wrist measurements

    • Authors: Consuelo B Gonzalez-Suarez, Lorraine D Buenavente, Ronald Christopher A Cua, Maria Belinda C Fidel, Jan-Tyrone C Cabrera, Carina Fatima G Regala
      Pages: 14 - 23
      Abstract: Consuelo B Gonzalez-Suarez, Lorraine D Buenavente, Ronald Christopher A Cua, Maria Belinda C Fidel, Jan-Tyrone C Cabrera, Carina Fatima G Regala
      Journal of Medical Ultrasound 2018 26(1):14-23
      Background: Electrophysiologic studies have been considered the “gold standard” in diagnosing carpal tunnel syndrome (CTS); however, reports of false-negative results, as well as discomfort for the patient during the procedure has paved the use of ultrasound, being a painless and cost-efficient tool, as an alternative means for its diagnosis. Various ultrasound parameters assessing the median nerve and wrist dimensions have been described, but description of landmarks to assess these in a reliable manner has been lacking. Methodology: A systematic search of different databases yielded data regarding ultrasound parameters for CTS diagnosis, the landmarks used, and presence of reliability testing. Based on this, three sonologists discussed the external and sonographic landmarks that will be used in measuring the median nerve measurements, bowing of the flexor retinaculum and the carpal tunnel dimensions. A pilot test with two consecutive healthy participants using the discussed ultrasound parameters was carried out, and results were subjected to inter- and intra-rater reliability testing. Modifications were accordingly made on the acquisition of ultrasound image using external landmarks. The reliability testing proper was done with ten consecutive healthy participants. Results: Based on the systematic review and the pilot study, external landmarks were used to locate the median nerve in the forearm, carpal tunnel inlet and outlet. For the forearm measurement, it was taken 10 cm proximal from the distal palmar crease. The distal palmar crease was the external landmark used for the carpal tunnel inlet, while for the carpal tunnel outlet; it was measured 1 cm distal to the distal palmar crease. Instead of using the inner edge of the hook of hamate and trapezium, the apices of these bones were used as the landmarks in measuring the carpal tunnel outlet dimensions. There was excellent intra-rater reliability (mid-forearm, carpal tunnel inlet and outlet) except for the following: cross-sectional area (CSA) of the median nerve at the carpal tunnel inlet and outlet; and bowing of the flexor retinaculum. All the parameters had an excellent inter-rater reliability measured at the three levels (intraclass correlation [ICC]: Of 0.77–0.99) except for CSA of the median nerve at the levels of the forearm (fair-to-good with ICC of 0.71) and the carpal tunnel inlet (fair-to-good reliability of ICC: 0.43). Conclusion: There was an improved inter- and intra-rater reliability when external landmarks were used instead of sonographic landmarks.
      Citation: Journal of Medical Ultrasound 2018 26(1):14-23
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_2_17
      Issue No: Vol. 26, No. 1 (2018)
       
  • High-intensity focused ultrasound thermal lesion detection using entropy
           imaging of ultrasound radio frequency signal time series

    • Authors: Maryam Mohammadi Monfared, Hamid Behnam, Parisa Rangraz, Jahan Tavakkoli
      Pages: 24 - 30
      Abstract: Maryam Mohammadi Monfared, Hamid Behnam, Parisa Rangraz, Jahan Tavakkoli
      Journal of Medical Ultrasound 2018 26(1):24-30
      Background: During the past few decades, high-intensity focused ultrasound (HIFU) modality has been gaining surging interest in various therapeutic applications such as non- or minimally-invasive cancer treatment. Among other attributes, robust and real-time HIFU treatment monitoring and lesion detection have become essential issues for successful clinical acceptance of the modality. More recently, ultrasound radio frequency (RF) time series imaging has been studied by a number of researchers. Materials and Methods: The objective of this study is to investigate the applicability of entropy parameter of RF time series of ultrasound backscattered signals, a. k. a. Entropy imaging, toward HIFU thermal lesion detection. To this end, five fresh ex vivo porcine muscle tissue samples were exposed to HIFU exposures with total acoustic powers ranging from 30 to 110 Watts. The contrast-to-speckle ratio (CSR) values of the entropy images and their corresponding B-mode images of pre-, during- and post-HIFU exposure for each acoustic power were calculated. Results: The novelty of this study is the use of Entropy parameter on ultrasound RF time series for the first time. Statistically significant differences were obtained between the CSR values for the B mode and entropy images at various acoustic powers. In case of 110 Watt, a CSR value 3.4 times higher than B-mode images was accomplished using the proposed method. Furthermore, the proposed method is compared with the scaling parameter of Nakagami imaging and same data which are used in this study. Conclusion: Entropy has the potential for using as an imaging parameter for differentiating lesions in HIFU surgery.
      Citation: Journal of Medical Ultrasound 2018 26(1):24-30
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_3_17
      Issue No: Vol. 26, No. 1 (2018)
       
  • Sonographic evaluation of some abdominal organs in sickle cell disease
           patients in a tertiary health institution in Northeastern Nigeria

    • Authors: Geofery Luntsi, Charles Ugwoke Eze, Muhammad Sani Ahmadu, Audu Abdullahi Bukar, Kalu Ochie
      Pages: 31 - 36
      Abstract: Geofery Luntsi, Charles Ugwoke Eze, Muhammad Sani Ahmadu, Audu Abdullahi Bukar, Kalu Ochie
      Journal of Medical Ultrasound 2018 26(1):31-36
      Background: Sonographic evaluation of abdominal organs is an important work up in managing sickle cell disease (SCD) patients. This study aimed at evaluating abdominal organs by sonography among SCD patients. Methodology: A cross-sectional study was carried out in Maiduguri, Nigeria from April 2014 to July 2015. Two hundred and fifty-two patients participated in the study, with 126 controls and 126 SCD patients. There were 131 (52%) males, and 121 (48%) females, with age range 3–38 years. Measurements were done using ultrasound machine with probe frequencies ranging from 1–4MHz and 4–9MHz in supine, right and left oblique positions for optimum visualization of the abdominal organs. Results: Participants within the age range of 10–15 years had the highest frequency with 88 (34.9%), followed by those within the age group of 17–23 years with 86 (34.1%), and the least were those within the age group of 30 years and above with 8 (3.2%). Hepatomegaly was found in 53 (75.7%), and increased echogenicity of the liver was found in 50 (94.3%) of the SCD patients, P = 0.000. Gallstones were found in 45 (17.9%), gallbladder sludge was found in 51 (21.4%) and thickened gallbladder wall was found in 84 (33.3%) of the SCD patients, P = 0.000. Autosplenectomy was found in 45 (17.9%), splenomegaly in 63 (24.9%), and calcified spleen in 18 (8.7%) of the SCD patients, P = 0.000. Enlarged kidneys in SCD patients were found in 61 (98.4%) and 63 (98.4%) on the right and left kidneys, respectively. Shrunken kidneys were found in 5 (2.0%) and 4 (1.6%) of the SCD patients on the right and left kidneys, respectively, P = 0.000. Conclusion: Abdominal sonography in SCD patients revealed varied remarkable changes in the size, echotexture, intraluminal deposits and wall thickness in the liver, gallbladder, kidneys, and spleen.
      Citation: Journal of Medical Ultrasound 2018 26(1):31-36
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_5_17
      Issue No: Vol. 26, No. 1 (2018)
       
  • Clinical and echocardiography features of diagnosed in adulthood isolated
           left ventricular noncompaction: A case series study

    • Authors: Wen-Hung Huang, Kuo-Tzu Sung, Jui-Peng Tsai, Chi-In Lo, Chih-Chung Hsiao, Jen-Yuan Kuo, Cheng-Huang Su, Ming-Ren Chen, Chung-Lieh Hung
      Pages: 37 - 41
      Abstract: Wen-Hung Huang, Kuo-Tzu Sung, Jui-Peng Tsai, Chi-In Lo, Chih-Chung Hsiao, Jen-Yuan Kuo, Cheng-Huang Su, Ming-Ren Chen, Chung-Lieh Hung
      Journal of Medical Ultrasound 2018 26(1):37-41
      Background: Left ventricular noncompaction cardiomyopathy (LVNC) is a primary genetic cardiomyopathy with morphologically unique characteristics, including loose “spongy” meshwork. Subjects carrying these disorders were typically presented with triad of heart failure, cardiac arrhythmias, and consequences of mural thrombi formation. The clinical and echocardiographic features regarding LVNC, however, are not widely known. Methods: A retrospective survey involving 11 patients who fulfilled echocardiographic criteria for LVNC defined by Jenni et al. was conducted at MacKay Memorial Hospital from January 2009 to March 2017. Parameters assessed by echocardiography and clinical data were further analyzed. Results: Significantly depressed left ventricular systolic function assessed by echocardiography was noticed in a majority of our adult study cases. Conclusion: Considering the fatal complications LVNC may lead to, it is essential for clinical cardiologists to early identify suspicious individuals, and the establishment of definitive criteria and early treatment is essential.
      Citation: Journal of Medical Ultrasound 2018 26(1):37-41
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_1_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • Failure analysis for ultrasound machines in a radiology department after
           implementation of predictive maintenance method

    • Authors: Greg Chu, Vivian Li, Amy Hui, Christina Lam, Eva Chan, Martin Law, Lawrance Yip, Wendy Lam
      Pages: 42 - 44
      Abstract: Greg Chu, Vivian Li, Amy Hui, Christina Lam, Eva Chan, Martin Law, Lawrance Yip, Wendy Lam
      Journal of Medical Ultrasound 2018 26(1):42-44
      Objective: The objective of the study was to perform quantitative failure and fault analysis to the diagnostic ultrasound (US) scanners in a radiology department after the implementation of the predictive maintenance (PdM) method; to study the reduction trend of machine failure; to understand machine operating parameters affecting the failure; to further optimize the method to maximize the machine clinically service time. Materials and Methods: The PdM method has been implemented to the 5 US machines since 2013. Log books were used to record machine failures and their root causes together with the time spent on repair, all of which were retrieved, categorized, and analyzed for the period between 2013 and 2016. Results: There were a total of 108 cases of failure occurred in these 5 US machines during the 4-year study period. The average number of failure per month for all these machines was 2.4. Failure analysis showed that there were 33 cases (30.5%) due to software, 44 cases (40.7%) due to hardware, and 31 cases (28.7%) due to US probe. There was a statistically significant negative correlation between the time spent on regular quality assurance (QA) by hospital physicists with the time spent on faulty parts replacement over the study period (P = 0.007). However, there was no statistically significant correlation between regular QA time and total yearly breakdown case (P = 0.12), although there has been a decreasing trend observed in the yearly total breakdown. Conclusion: There has been a significant improvement on the machine failure of US machines attributed to the concerted effort of sonographers and physicists in our department to practice the PdM method, in that system component repair time has been reduced, and a decreasing trend in the number of system breakdown has been observed.
      Citation: Journal of Medical Ultrasound 2018 26(1):42-44
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_13_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • Huge broad ligament fibroid with paracervical extension: A safe approach
           by same setting myomectomy before hysterectomy

    • Authors: Ahmed Samy El-Agwany
      Pages: 45 - 47
      Abstract: Ahmed Samy El-Agwany
      Journal of Medical Ultrasound 2018 26(1):45-47
      The broad ligament is the most common extrauterine site for leiomyoma but with low incidence rate. We present a patient with complaints of lower abdominal pain and abdominal distension. Abdominal examination revealed a huge firm mass arising from the pelvis corresponding to 24-week size. The cervix was deviated and elevated but felt separable of the mass. Ultrasonographic examination showed 20 cm fibroid beside the uterus suggesting broad ligament fibroid. On laparotomy, the uterus was elevated up and deviated laterally by the mass. A 20 cm broad ligament fibroid was seen extending deep in the pelvis and up filling all the broad ligament. Myomectomy was performed initially to decompress the mass for easy hysterectomy and carefully evaluating the ureter avoiding its injury. Total hysterectomy with bilateral salpingo-oophorectomy was done. This case was reported because of the rare incidence of broad ligament leiomyoma and the difficulty in its operative management.
      Citation: Journal of Medical Ultrasound 2018 26(1):45-47
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_2_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • Role of penile doppler as a diagnostic tool in penile fracture

    • Authors: Mohamed Azmi Hassali, Ahmed Ibrahim Nouri, Azhar Amir Hamzah, Ashutosh Kumar Verma
      Pages: 48 - 51
      Abstract: Mohamed Azmi Hassali, Ahmed Ibrahim Nouri, Azhar Amir Hamzah, Ashutosh Kumar Verma
      Journal of Medical Ultrasound 2018 26(1):48-51
      Penile fracture is defined as a traumatic rupture of either corpus cavernosum or the tunica albuginea; sometimes it can be both. It may be caused by exotic masturbation acts, sexual intercourse, or other trauma to this area. This can be accompanied by injury to the urethra, which is the cause of hematuria as a symptom for some patients. Typically, diagnosis of penile rupture or fracture depends on clinical examination and history told by the patients. We are stating the importance of medical imaging in the diagnosis of patients with penile fracture by presenting a case of patient suffered from penile fracture after a fall on his penis where it affected the erection of two-third of his penis. In which, the proper diagnosis by imaging studies and taking actions accordingly can save the patients from unnecessary surgeries that indeed increase the bill of the medical care directly and indirectly. Therefore, most patients can be diagnosed cost-effectively and treated surgically without a need to delay surgery, which is often the case if one was to resort to other investigations. Investigations such as retrograde urethrography for suspected urethral injury should only be used when the diagnosis of penile fracture is in doubt.
      Citation: Journal of Medical Ultrasound 2018 26(1):48-51
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_9_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • Sonographic findings of malignant appendix tumors in seven cases

    • Authors: Kyung Su Kwag, Hyuk Jung Kim, Suk Ki Jang, Jae Woo Yeon, Soya Paik, Byeong Geon Jeon, Ki Ho Kim, Ji Hoon Park, Eun Shin
      Pages: 52 - 55
      Abstract: Kyung Su Kwag, Hyuk Jung Kim, Suk Ki Jang, Jae Woo Yeon, Soya Paik, Byeong Geon Jeon, Ki Ho Kim, Ji Hoon Park, Eun Shin
      Journal of Medical Ultrasound 2018 26(1):52-55
      We report the sonographic features of confirmed malignant appendiceal tumors in seven cases. The histologic diagnoses of these tumors were mucinous cystadenocarcinoma (n = 2), colonic type adenocarcinoma (n = 4), and signet-ring cell carcinoma (n = 1). The 2 mucinous cystadenocarcinomas showed mucocele type, which had markedly enlarged inner luminal diameters (mean, 23 mm; range, 15–31 mm) and thick, irregular walls (mean wall thickness, 5.5 mm; range, 5–6 mm). In contrast, the 5 nonmucinous carcinomas (4 adenocarcinomas and 1 signet-ring cell carcinoma) showed nonmucocele type, which had relatively small inner luminal diameters (mean ± standard deviation [SD], 6.6 ± 4.5 mm; range, 2–15 mm) and prominent wall thickening (mean wall thickness ± SD, 6.2 ± 2.3 mm; range, 3–10 mm). Of the 5 nonmucinous tumors, only one had a discernible mass, three had thick irregular walls, two had loss of the wall layer pattern, and four had submucosal hypoechogenicity. Regardless of the histologic type, five of the seven malignant appendiceal tumors showed a severe periappendiceal fat infiltration or periappendiceal abscess, suggestive of perforation.Although the sonographic findings of the malignant appendiceal tumors were nonspecific, some of the sonographic features seen in these seven cases may help radiologists consider the possibility of underlying malignant appendiceal tumors.
      Citation: Journal of Medical Ultrasound 2018 26(1):52-55
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_16_17
      Issue No: Vol. 26, No. 1 (2018)
       
  • Posterior fossa hemorrhage in a term neonate with hemophilia A

    • Authors: Ping-Hung Tsai, Hui-Ju Chen, Che-Sheng Ho, Nan-Chang Chiu
      Pages: 56 - 58
      Abstract: Ping-Hung Tsai, Hui-Ju Chen, Che-Sheng Ho, Nan-Chang Chiu
      Journal of Medical Ultrasound 2018 26(1):56-58
      Posterior fossa hemorrhage is rare in term baby and difficult to assess. The clinical signs are nonspecific and usually delay the diagnosis. We present a 5-day-old male neonate of posterior fossa hemorrhage with the initial presentations of fever and seizure and early deduced by cranial ultrasonography findings as hyperechoic, asymmetric, ill-defined density and complicated with hydrocephalus. Magnetic resonance imaging of the head verified the diagnosis. Hemophilia A was confirmed thereafter by serology.
      Citation: Journal of Medical Ultrasound 2018 26(1):56-58
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_10_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • Conservative management of infected postpartum uterine dehiscence after
           cesarean section

    • Authors: Ahmed Samy El-Agwany
      Pages: 59 - 61
      Abstract: Ahmed Samy El-Agwany
      Journal of Medical Ultrasound 2018 26(1):59-61
      There is an increase in cesarean rates worldwide. Parallel to this, the complications increased. Among these complications, uterine dehiscence and pelvic hematoma with abscess collection have increased. Diagnosis using methods such as ultrasonography, magnetic resonance imaging, and computer-aided tomography can be made. Treatment includes resuturing the uterine incision line, hysterectomy, or conservative treatment accompanied by broad-spectrum antibiotics administration. We evaluated three cases that were diagnosed by ultrasound as a dehiscent scar postpartum after cesarean section and they were managed conservatively with regular follow-up.
      Citation: Journal of Medical Ultrasound 2018 26(1):59-61
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_5_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • Breast pain and ultrasound: If normal result, exploring the uterus is a
           good reflex

    • Authors: Andrianah Emmylou Prisca Gabrielle, Rajaonarison Ny Ony Narindra Lova Hasina, Rasolohery Honjaniana, Tomboravo Christian, Ahmad Ahmad
      Pages: 62 - 62
      Abstract: Andrianah Emmylou Prisca Gabrielle, Rajaonarison Ny Ony Narindra Lova Hasina, Rasolohery Honjaniana, Tomboravo Christian, Ahmad Ahmad
      Journal of Medical Ultrasound 2018 26(1):62-62

      Citation: Journal of Medical Ultrasound 2018 26(1):62-62
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_8_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • A 2-year-old girl with intermittent vomiting

    • Authors: Tristan Reddan
      Pages: 63 - 63
      Abstract: Tristan Reddan
      Journal of Medical Ultrasound 2018 26(1):63-63

      Citation: Journal of Medical Ultrasound 2018 26(1):63-63
      PubDate: Wed,28 Mar 2018
      DOI: 10.4103/JMU.JMU_15_18
      Issue No: Vol. 26, No. 1 (2018)
       
  • CME Test

    • Pages: 64 - 64
      Abstract:
      Journal of Medical Ultrasound 2018 26(1):64-64

      Citation: Journal of Medical Ultrasound 2018 26(1):64-64
      PubDate: Wed,28 Mar 2018
      Issue No: Vol. 26, No. 1 (2018)
       
 
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