Diagnostic ultrasound ( PDFDrive )

BCC
SCC
Cx
WM
CC
M
CV
SF
FV
CV
TV
P
FV
MO
TL
MO
A
B
C
PreCS
CeS
PostCS
E
SF
EAS
S
TS
PB
P
VOG
CaS
TL
SS
MCP
D
ToH
E
CH
F
CC
CiS
CG
POS
CaS
IHF
SSS
CP
Te
CV
SS
CH
CV
G
H
I
FIG. 34.5 Normal Brain Appearance on Magnetic Resonance Imaging (MRI). T2-weighted images at 20 weeks ([A] and [B]), 22 weeks (C),
26 weeks ([D] and [E]), 27 weeks ([F]-[H]), and 34 weeks (I); in sagittal midline ([A], [C], [G], [I]), parasagittal (F), coronal ([B] and [H]), and axial
([D] and [E]) planes. BCC, Developing body of the corpus callosum; CaS, calcarine sulcus; CC, corpus callosum; CeS, central sulcus; CG, cingulate
gyrus; CH, cerebellar hemispheres; CiS, cingulate sulcus; CP, choroid plexus; CV, cerebellar vermis; Cx, cerebral cortex; E, ethmoid bone; EAS,
extraaxial space; FV, fourth ventricle; IHF, interhemispheric issure; M, midbrain; MCP, middle cerebellar peduncle; MO, medulla oblongata; P,
pons; POS, parieto-occipital sulcus; PostCS, postcentral sulcus; PreCS, precentral sulcus; S, sphenoid bone; SCC, splenium of the corpus callosum;
SF, sylvian issure; SS, straight sinus; SSS, superior sagittal sinus; Te, tectum; TL, temporal lobe; ToH, torcular Herophili; TS, temporal sulcus; TV,
third ventricle; VOG, vein of Galen; WM, white matter. (With permission from Levine D, Robson C. MR imaging of normal brain in the second and
third trimesters. In: Levine D, editor. Atlas of fetal MRI. Bristol, PA: Taylor & Francis; 2005. 256 )