Diagnostic ultrasound ( PDFDrive )

I-64 Index
Walker-Warburg syndrome
cobblestone lissencephaly in, 1195
Dandy-Walker malformation diferentiated
from, 1190
diagnosis of, 1195
vermian hypoplasia with, 1191
Wall ilters
in Doppler ultrasound, 29, 30f
in renal artery duplex Doppler sonography, 449
Wall-echo-shadow complex, 194, 195f
Wandering spleen, 159, 161f
pediatric, 1770–1772
Warfarin, 598
Warthin tumor, 1638
Watchful waiting, for prostate cancer, 401
Water enema technique, contrast agents in,
1870–1871, 1871f
Waterhouse-Friderichsen syndrome, 422
Waveform(s). See also Tardus-parvus
waveform(s)
of carotid arteries, 925–926, 925f
intrarenal, in renal artery duplex Doppler
sonography, 450, 450f
Wavelength, in sound waves, 2, 2f
Weaver syndrome, megalencephaly associated
with, 1194–1195
Wedge hepatic venography, 1764
Weigert-Meyer rule, 1359, 1783
Weight, fetal
assessment of, 1450–1453
in relation to gestational age, 1451–1453,
1452t, 1453f
estimation for, 1450–1453
formulas in, 1451, 1451t
gestational age compared to, 1453, 1453f
recommended approach in, 1451, 1452t
Weight, pediatric, kidney length compared to,
1777f
at birth, 1776–1778, 1780f
Weighted mean frequency, in color Doppler
ultrasound, 28
Wells score, 979
Weyers acrodental dysostosis, 1395
WFUMB. See World Federation for Ultrasound in
Medicine and Biology
Wharton duct, pediatric, 1630–1631, 1631f
Wharton jelly, 1059, 1482
Whipple resection, 233
“Whirlpool” sign, of midgut volvulus, 1841–1842,
1843f
White matter injury of prematurity (WMIP), 1512,
1550–1553. See also Periventricular
leukomalacia
Wilms tumor, 1352–1353, 1804
neuroblastomas mistaken for, 1818
pediatric
kidneys and, 1818, 1818f–1820f
liver metastases from, 1746
metastasis of, to teste, 1901
Windsock coniguration, duodenal diaphragm in,
1842, 1844f
WMIP. See White matter injury of prematurity
Wolian (mesonephric) duct, 820–821
Wolf-Hirschhorn syndrome (4p − ), 1139, 1140f
midface hypoplasia in, 1148
World Federation for Ultrasound in Medicine and
Biology (WFUMB), 1041
Wormian bones, 1139, 1139b, 1139f
Wrist, injection of, 901
supericial peritendinous and periarticular, 904,
905f
X
Xanthogranulomatous cholecystitis, 202
Xanthogranulomatous pyelonephritis (XGP), 328,
329f, 348
X-linked hydrocephalus, 1177
X-linked NTDs, 1226
Y
Yersinia, 1852–1853, 1852f
“Yin-yang” pattern, in renal biopsy
pseudoaneurysms, 1809, 1811f
Yolk sac tumors, 585, 823–824, 825f
Yolk sac(s)
angiogenesis wall of, 1057
assessment of, 1016, 1016b
calciication of, 1067, 1068f
diameter of, measurement, 1017f
echogenic material in, 1067–1068
embryo in, 1058f
hematopoiesis in, 1057
identiication of, in gestational age
determination, 1445, 1445f, 1446t
MSD and, 1057
normal sonographic appearance of, 1057, 1058f
number of, amnionicity and, 1117
in nutrient transfer, 1057
primary, formation of, 1051, 1052f
secondary, formation of, 1051, 1053f
size and shape of, in early pregnancy failure,
1067–1068, 1068f
transvaginal ultrasound for identiication of,
1057
Yolk stalk, 1059
Z
Zellweger syndrome, 1196, 1399
subependymal cysts from, 1566
Zero baseline, shiting, to overcome aliasing, 939
Zika virus, 1194, 1203–1204
congenital, neonatal/infant brain and, 1560
Zona fasciculata, 417
Zona glomerulosa, 417
Zona reticularis, 417
Zuckerkandl fascia, 314
Zygosity, in multifetal pregnancy, 1115–1116, 1116f
Zygote, formation of, 1051, 1051f