syndromic intellectual disability multiple congenital anomalies/dysmorphic syndrome-intellectual disability partial duplication of the long arm of chromosome 15 15q overgrowth syndrome https://www.malacards.org/card/15q_overgrowth_syndrome GARD:0017423 MONDO:0017806 DECIPHER:81 MEDGEN:1661769 15q overgrowth syndrome is a rare partial autosomal trisomy/tetrasomy characterized by facial dysmorphism (long thin face, prominent forehead, down-slanting palpebral fissures, prominent nose with broad nasal bridge, prominent chin), pre- and postnatal overgrowth, renal anomalies (e.g. horseshoe kidney, renal agenesis, hydronephrosis), mild to severe learning difficulties and behavioral abnormalities. Additional features may include craniosynostosis and macrocephaly. UMLS:C4749920 15q26 overgrowth syndrome Orphanet:314585 overgrowth syndrome obsolete chromosomal anomaly with cataract