3D Fetal Neurosonography

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Advantages of 3D Neurosonography • Bedside or off-line analysis • Off-site expert consultation • Data is easily revisited for additional evaluation • Short processing time • Effective teaching tool (simulating real time scanning) • Quick way to image the median plane – especially the corpus callosum & vermis
3D Ultrasound of the Brain • Volume Acquisition – Transabdominal – Transvaginal • Manipulation – Zooming – Chroma mapping – Marker dot – Rotation • Display modalities – Tomography – Thick slice mode – Static volume contrast imaging (VCI TM ) – Inversion mode – 3D angiography (brain vasculature) • Anomalies
Page 1 and 2: Fetal Neurosonography for the MFM F
Page 3 and 4: What is unique about the fetal brai
Page 5 and 6: Neurosocan: The 1 st trimester NT s
Page 7 and 8: 9 3/7 wks 12 2/7 wks 12 3/7 wks Exe
Page 9 and 10: Neurosocan: Second Trimester AIUM g
Page 11 and 12: - Biometry: • Biparietal diameter
Page 13 and 14: Lateral ventricles & Choroid Plexus
Page 15 and 16: Transcerebellar plane • Landmarks
Page 17 and 18: If an abnormality is detected durin
Page 19 and 20: 2D-TAS vs. 2D-TVS Axial • In 2D T
Page 21 and 22: Fetal Neuroscan Scan Coronal & Sagi
Page 23 and 24: The Frontal group Frontal-2 or tran
Page 25 and 26: The Midcoronal group Mid-coronal-2
Page 27 and 28: The Occipital group Occipital-1& 2
Page 29 and 30: The Median Plane Median or mid-sagi
Page 31 and 32: The Median Pericallosal Artery
Page 33 and 34: The Rt & Lt Oblique Oblique-1 or Pa
Page 35: Why 3D of the brain? • Obtaining
Page 39 and 40: Basics of Volume Acquisition Acquis
Page 41 and 42: TAS- Acquisition-Display A B C Axia
Page 43 and 44: Transvaginal acquisition • The vo
Page 45 and 46: Transvaginal Acquisition
Page 47 and 48: 3D-TAS vs. 3D-TVS • Acquisition:
Page 49 and 50: TAS- Manipulations: Zooming
Page 51 and 52: TAS- Manipulations: ‘Dot’ Orien
Page 53 and 54: 3D Ultrasound of the Brain • Volu
Page 55 and 56: Orthogonal Planes: Hydrocephaly & I
Page 57 and 58: Tomography: Serial Coronal Sections
Page 59 and 60: Inversion: The fluid filled lateral
Page 61 and 62: The inversion mode Anterior horn Po
Page 63 and 64: Middle cerebral Missing Pericallosa
Page 65 and 66: Power Doppler +Tomography: Serial S
Page 67 and 68: Absent CSP - r/o SOD
Page 69 and 70: Absent CSP - r/o SOD
Page 71 and 72: Posterior Cephalocele
Page 73 and 74: 3D Helpful Hints • Always start w
Page 75 and 76: In Conclusion… • When evaluatin

3D Fetal Neurosonography

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