congenital nervous system disorder syndromic diaphragmatic or abdominal wall malformation syndromic anorectal malformation syndromic urogenital tract malformation trisomy 13 D trisomy syndrome (formerly) D1 trisomy DOID:11665 GARD:0007341 ICD10:Q91.4 ICD10:Q91.5 ICD10:Q91.6 ICD10:Q91.7 ICD9:758.1 MESH:C536305 MONDO:0018068 MedDRA:10044686 NCIT:C101223 NCIT:C36529 Orphanet:3378 Patau syndrome Patau's syndrome SCTID:21111006 Trisomy 13 is a chromosomal anomaly caused by the presence of an extra chromosome 13 and is characterized by brain malformations (holoprosencephaly), facial dysmorphism, ocular anomalies, postaxial polydactyly, visceral malformations (cardiopathy) and severe psychomotor retardation. UMLS:C0152095 UMLS:CN204386 chromosome 13, trisomy 13 complete complete trisomy 13 syndrome trisomy 13 trisomy type 13 syndromic renal or urinary tract malformation total autosomal trisomy chromosomal anomaly with cataract congenital vitreoretinal dysplasia syndrome with a symptomatic strabismus