Table 1 Frequency of the main clinical characteristics of inv dup(15) or idic(15) syndrome
From: The inv dup (15) or idic (15) syndrome (Tetrasomy 15q)
Exceeding 75% | From 25% to 50% | Below 25% |
|---|---|---|
Hypotonia, lax ligaments | Brain abnormalities | Congenital heart defects |
Developmental delay/Intellectual disability | Genitourinary tract defects | Microcephaly |
Autistic behavior | Growth retardation | Â |
Epilepsy | Â | Â |
Minor dysmorphic features (mainly involving the face) | Â | Â |