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Basics of Ultrasound in Obstetrics - Chapter 20.1 Media Library
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Fig 20.1.1a The “intradecidual sac” sign
Fig 20.1.1b The “double-decidual ring” sign
Fig 20.1.2 Crown-rump length (CRL) measurement
Fig 20.1.3 Subchorionic hematoma
Fig 20.1.4a “Blob sign” as feature of tubal pregnancies
Fig 20.1.4b “Tubal or bagel sign” as feature of tubal pregnancies
Fig 20.1.5 Complete molar pregnancy
Fig 20.1.6a Ultrasonographic appearance of T-sign and lambda sign
Fig 20.1.6b Ultrasonographic appearance of T-sign in twin pregnancies
Fig 20.1.7 Increased nuchal translucency (NT)
Fig 20.1.8 Biparietal diameter (BPD) and head circumference (HC) measurement - transthalamic view
Fig 20.1.9 Abdominal circumference (AC) measurement: stomach, liver and umbilical vein appearance
Fig 20.1.10 Femur length (FL) measurement
Fig 20.1.11a Placenta praevia
Fig 20.1.11b Low-lying placenta
Fig 20.1.12 Placental cysts
Fig 20.1.13a Placental hematoma
Fig 20.1.13b Placental calcifications
Fig 20.1.14 Single umbilical artery of the umbilical cord
Fig 20.1.15 Velamentous umbilical cord insertion
Fig 20.1.16a US appearance of the fetal head: transcerebellar view
Fig 20.1.16b US appearance of the fetal head: transventricular view
Fig 20.1.17a Fetal face: nose and mouth
Fig 20.1.17b Fetal face: orbits
Fig 20.1.18 Fetal lungs (longitudinal view) and continuous diaphragmatic line
Fig 20.1.19 Fetal heart, four-chamber view
Fig 20.1.20a Fetal abdomen: gall-bladder and bowel
Fig 20.1.20b Fetal abdomen: normal UC insertion site and intact abdominal wall
Fig 20.1.21a Fetal kidneys in transversal view
Fig 20.1.21b Fetal urinary bladder
Fig 20.1.21c Fetal UC vessels
Fig 20.1.22 Fetal spine (longitudinal view): no spinal defects or masses and intact overlying skin
Fig 20.1.23a Fetal arm and hand normal aspect
Fig 20.1.23b Fetal leg and foot, normal aspect
Fig 20.1.24 Choroid plexus cyst
Fig 20.1.25a Agenesis of Corpus Callosum: axial view
Fig 20.1.25b Agenesis of Corpus Callosum: axial view
Fig 20.1.25c Agenesis of Corpus Callosum: coronal view
Fig 20.1.25d Agenesis of Corpus Callosum: sagittal views
Fig 20.1.26a Dandy Walker malformation: axial view
Fig 20.1.26b Dandy Walker malformation: alobar holoprosencephaly
Fig 20.1.27a Arnold Chiari type 2 malformation: small posterior fossa and cerebellar displacement
Fig 20.1.27b Arnold Chiari type 2 malformation: ventriculomegaly
Fig 20.1.27c Arnold Chiari type 2 malformation: lumbar meningomyelocele
Fig 20.1.27d Arnold Chiari type 2 malformation: lumbar meningomyelocele
Fig 20.1.28 Cleft lip
Fig 20.1.29 Absent nasal bone
Fig 20.1.30 Increased nuchal thickness
Fig 20.1.31a Congenital diaphragmatic hernia: herniated stomach in longitudinal view
Fig 20.1.31b Congenital diaphragmatic hernia: herniated stomach in axial view
Fig 20.1.32a Congenital cystic adenomatoid malformation: longitudinal view
Fig 20.1.32b Congenital cystic adenomatoid malformation: axial view
Fig 20.1.33a Pleural effusion Skin edema
Fig 20.1.33b Ascites Skin edema
Fig 20.1.34a Abnormal heart position in the chest: dextroposition
Fig 20.1.34b Abnormal heart position in the chest: dextrocardia
Fig 20.1.35a Cardiac muscular ventricular septal defects
Fig 20.1.35b Atrio-ventricular septal defect
Fig 20.1.36a Abnormal size of the left ventricle: large in critical aortic stenosis
Fig 20.1.36b Abnormal size of the left ventricle: small in left hypoplastic heart syndrome
Fig 20.1.37a Small right ventricle in pulmonary atresia
Fig 20.1.37b Small right ventricle in tricuspid valve atresia
20.1.38a Abdominal wall defects: omphalocele
20.1.38b Abdominal wall defects: gastroschisis
Fig 20.1.39a Esophageal atresia: nonvisible stomach
Fig 20.1.39b Esophageal atresia: polyhydramnios
Fig 20.1.39c Esophageal atresia: dilated esophagus
Fig 20.1.39d Duodenal atresia: double-bubble sign
Fig 20.1.40a Urinary obstructive dilatation: pyelectasis
Fig 20.1.40b Urinary obstructive dilatation: hydronephrosis
Fig 20.1.40c Urinary obstructive dilatation: megaureter
Fig 20.1.40d Urinary obstructive dilatation: megacystis in urethral valves obstruction
Fig 20.1.41a Renal cystic disorders: polycystic kidney disease
Fig 20.1.41b Renal cystic disorders: multicystic dysplastic kidney
Fig 20.1.42a Micromelia: extreme bone shortening: arm
Fig 20.1.42b Micromelia: extreme bone shortening: leg
Fig 20.1.43 Talipovarus (clubfoot)
Fig 20.1.44 Echogenic cardiac focus in the left ventricle
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