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Ultrasound for Cervical Length
The length of a cervix can be evaluated either by sonogram or physical examination of the cervix. Digital examination has been shown to be less consistent than ultrasound in the assessment of cervical length. The cervical length tends to be underestimated by manual examination by approximately 11 mm compared with ultrasound measurement
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Ultrasonography for Fetal Lung Masses
The differential diagnosis of congenital lung masses includes a variety of lesions, with congenital cystic adenomatoid malformation (CCAM) and bronchopulmonary sequestration (BPS) being the most commonly encountered
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Training for Ultrasound Procedures
Ultrasound provides a window in the intrauterine environment, which makes the ability to intervene, assess, and provide fetal therapy during pregnancy a possibility. Ultrasound is used to guide several procedures in pregnancy, including amniocentesis, chorionic villus sampling (CVS), fetal blood sampling (FBS), fetal biopsy, and dilation and curettage
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Effects of Obesity on Obstetric Ultrasound Imaging
Obesity is increasing worldwide, with most of the industrialized world having obesity rates of 20%– 30% in the adult population and some selected populations, such as the southern Pacific, reporting obesity rates of 44%–80%.1,2 Obesity is defined as a body mass index (BMI) of greater than 30 and is generally divided into classes, with class I consisting of BMI of 30.0–34.9 kg/m2, class I…
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Efficacy and safety of non-suture dural closure using a novel dural substitut…
To evaluate the efficacy and safety of non-suture dural closure using a novel dural substitute (GM111) consisting of polyglycolic acid felt with a fibrin-glue-coated area commensurate in size with the dural defect.
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Post-operative wound management
Optimal management of post-operative wounds in the community is important to prevent potential complications such as surgical-site infections and wound dehiscence from developing. As such, general practitioners, who play an important part in the sub-acute management of post-operative wounds, should appreciate the physiology of wound healing and the principles of post-operative wound care
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Safety of Transvaginal Scan Estimated from Ultrasonic Bioeffects
The embryo and fetus are generally studied using ultrasound imaging in pregnancy; however, ultrasound wave is absorbed by biological tissues to elevate the temperature. The growing embryonic and fetal tissue tends to be damaged by heating; thus, excess heating that damages young sensitive growing tissue should be prevented in ultrasound diagnosis.
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Effectiveness of Ultrasound Simulation in Obstetrics and Gynecology Education…
The benefi ts and uses of ultrasound (US) are well documented for procedural and diagnostic purposes. A number of studies have evaluated the utility of simulation-based US training in achieving competency and improving safety. To the best of our knowledge, no previous studies have attempted to synthesize the effectiveness of US simulation in Obstetrics and Gynecology (OB GYN) education using…
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Tissue Characterization with Gray-level Histogram Width in Obstetrics and Gyn…
Malignant GLHW was higher than in benign one (it was malignant if the GLHW was 50% or more in ovary, uterine cervix, and endometrium). The GLHW of placental fibrin deposit was higher than normal placenta. It was reduced by heparin and normal neonate was obtained. Fetal brain echo density, immature fetal lung, and meconium-stained amniotic fluid were diagnosed by GLHW, and normal adult liver …
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The History of ultrasound
Over the past 40 years, ultrasound has become an important diagnostic modality. Its potential as a leader in medical diagnostic imaging was recognized in the 1930s and 1940s, when Theodore Dussik and his brother Friederich attempted to use ultrasound to diagnose brain tumors. It was not until the 1970s, however, that the work of these and other pioneers of ultrasound research truly came to frui…
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