14q32 duplication syndrome

14q32 duplication syndrome is a rare chromosomal condition caused by having an extra copy (duplication) of a small piece of chromosome 14, specifically in the region called 14q32. This means a segment of genetic material is present in three copies instead of the usual two. The condition is also sometimes referred to as 'trisomy 14q32' or 'partial trisomy 14q32.' Because this region contains many important genes, having extra copies can disrupt normal development in several ways. The syndrome mainly affects brain development, physical growth, and the structure of the face and body. People with this condition often have intellectual disability, delayed speech and language, and difficulty with learning. Many also have distinctive facial features, low muscle tone (called hypotonia), and may have heart defects present from birth. Seizures are reported in some individuals. The severity of symptoms can vary quite a bit from person to person, depending on exactly how large the duplicated segment is and which genes are involved. There is currently no cure for 14q32 duplication syndrome. Treatment focuses on managing individual symptoms and supporting development. This typically includes early intervention programs, speech therapy, physical therapy, occupational therapy, and special education support. Heart defects, if present, may require surgery or medication. Seizures are managed with anti-epileptic medications. With the right support, many individuals can make meaningful developmental progress.

Bring these to your next appointment

• Q1.How large is the duplication, and which specific genes are included — does this help predict how my child will be affected?,Should both parents be tested, and what would the results mean for future pregnancies?,What therapies should we start right away, and how do we access early intervention services?,Does my child need a heart scan or brain MRI, and how often should these be repeated?,What signs of seizures should I watch for, and what should I do if one happens?,Are there any other specialists we should see as part of a regular care team?,Are there any research studies or patient registries we can join to help advance understanding of this condition?

Common questions about 14q32 duplication syndrome