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Congenital malformations - Edocr

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INDEX 389<br />

clinical presentation, 309,<br />

310–314t, 315t<br />

embryology, 308<br />

epidemiology, 307–308<br />

etiology, 308–309, 310–314t<br />

evaluation, 309, 315–316, 315t,<br />

319f<br />

genetic counseling, 320<br />

prognosis, 316<br />

radiological findings, 317–318t<br />

recurrence risk, 310–314t<br />

Smith-Lemli-Opitz syndrome<br />

biochemical testing, 18<br />

cardiac lesions, 176t, 201t<br />

clinical features, 127, 176t,<br />

201t, 238t, 257t, 272t, 289t,<br />

296t<br />

diagnosis, 127–128, 130t<br />

etiology, 176t, 201t, 238t<br />

Sotos syndrome, 349t, 352t<br />

Spina bifida. See Meningocele;<br />

Myelomeningocele<br />

Spina bifida occulta, 44<br />

Spinal dysraphism, occult<br />

associated findings, 343<br />

clinical presentation, 44,<br />

340–343, 341–343f<br />

embryology, 340<br />

epidemiology, 339–340<br />

evaluation, 343–344<br />

genetic counseling, 344<br />

Spondyloepiphyseal dysplasia<br />

congenita, 97, 313t<br />

Spondylothoracic dysplasia, 336t<br />

Stickler syndrome, 96–97<br />

Surfactant, for congenital<br />

diaphragmatic hernia,<br />

156<br />

Syndactyly, 293–296<br />

associated <strong>malformations</strong> and<br />

syndromes, 295, 296t<br />

clinical presentation, 293–294<br />

embryology, 293<br />

epidemiology, 293<br />

evaluation, 295<br />

genetic counseling, 295<br />

management, 295<br />

types, 294<br />

Synpolydactyly, 294. See also<br />

Syndactyly<br />

T<br />

TACRD pattern/association, 136,<br />

225t<br />

Tail, 343, 343f<br />

Tay-Sachs disease, 31t<br />

TBS. See Townes-Brocks<br />

syndrome<br />

Teratogens, 6–7, 7t. See also<br />

specific agents<br />

Tetralogy of Fallot, 188–191<br />

associated <strong>malformations</strong> and<br />

syndromes, 185–186t,<br />

189–190<br />

clinical presentation, 189, 190f<br />

embryology, 188–189<br />

epidemiology, 189<br />

evaluation, 189–190<br />

genetic counseling, 190–191<br />

management and prognosis,<br />

190<br />

Thanatophoric dysplasia, 310t,<br />

358t. See also Skeletal<br />

dysplasias<br />

Thoracentesis<br />

for congenital hydrothorax,<br />

161–162<br />

Thrombocytopenia-absent radius<br />

(TAR) syndrome, 176t,<br />

303t<br />

Toriello-Carey syndrome, 80t,<br />

176t<br />

Townes-Brocks syndrome (TBS)<br />

cardiac lesions, 176t<br />

clinical features, 176t, 225t,<br />

231t, 279t, 290t<br />

ear anomalies, 114<br />

etiology, 176t, 225t, 231t<br />

Toxoplasmosis, congenital, 63t<br />

Tracheoesophageal fistula. See<br />

Esophageal<br />

atresia/tracheoesophageal<br />

fistula<br />

Transposition of the great<br />

arteries, 186–188<br />

associated <strong>malformations</strong> and<br />

syndromes, 185t, 187–188<br />

clinical presentation, 187<br />

embryology, 186–187<br />

epidemiology, 187<br />

evaluation, 188<br />

genetic counseling, 188<br />

treatment and prognosis, 188<br />

Treacher Collins syndrome, 102<br />

Tricuspid atresia<br />

associated syndromes, 194<br />

clinical presentation, 193<br />

prognosis, 196<br />

recurrence risk, 196t<br />

Trigonocephaly, 86<br />

Trimethadione syndrome, fetal,<br />

185t<br />

Triple screen, 29<br />

Triploid/diploid mixoploidy, 350t<br />

Triploidy syndrome, 63t, 244t,<br />

296t<br />

Trismus-pseudocamptodactyly<br />

syndrome, 327t. See also<br />

Arthrogryposis<br />

Trisomy 8, partial, 185t<br />

Trisomy 13 (Patau syndrome)<br />

cardiac lesions, 174t, 185t, 201t<br />

clinical features, 145t, 174t,<br />

178f, 185t, 201t, 231t, 244t,<br />

263t, 272t, 289t, 336t, 358t<br />

etiology, 174t, 201t<br />

limb reduction defects, 302<br />

Trisomy 18 (Edwards syndrome)<br />

cardiac lesions, 174t, 185t, 201t<br />

clinical features, 145t, 161t,<br />

174t, 178f, 185t, 201t, 220t,<br />

231t, 244t, 263t, 272t, 289t,<br />

324t, 336t, 359t<br />

etiology, 174t, 201t, 220t<br />

prenatal diagnosis, 29, 31<br />

Trisomy 21 (Down syndrome)<br />

anorectal <strong>malformations</strong>, 230<br />

cardiac lesions, 174t, 185t<br />

clinical features, 14f, 15f, 161t,<br />

174t, 185t, 220t, 225t, 231t,<br />

238t, 244t, 290t, 359t<br />

duodenal atresia in, 224<br />

etiology, 185t, 220t<br />

limb reduction defects, 302<br />

prenatal diagnosis, 29, 31–32<br />

Truncus arteriosus, 183–186<br />

associated <strong>malformations</strong> and<br />

syndromes, 184, 185t<br />

clinical presentation, 184<br />

embryology, 183<br />

epidemiology, 184

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