3D Fetal Neurosonography

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Neurosocan: Second Trimester Anatomical Survey • Structures that must be included: – Head & neck – Cerebellum – Choroid plexus – Cisterna magna – Lateral ventricles – Midline Falx – Cavum septi pellucidi – Biometry: BPD and HC
– Biometry: • Biparietal diameter • Head circumference Basic Brain Scan Transabdominal sonography: The Axial Plane • Occipito-frontal diameter • Atrium of the lateral ventricle at the level of the choroid plexus • Trans-cerebellar diameter • Depth of the cisterna magna • The brain structures: – Head shape – Lateral ventricles – Cavum septi pellucidi – Thalami – Cerebellum – Cisterna magna – Spine Sonographic examination of the fetal central nervous system: guidelines for performing the 'basic examination' and the 'fetal neurosonogram'. Ultrasound Obstet Gynecol 2007;29:109-16.
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: Neurosocan: Second Trimester AIUM g
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 and 36: Why 3D of the brain? • Obtaining
Page 37 and 38: 3D Ultrasound of the Brain • Volu
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
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3D Fetal Neurosonography

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