Paula and Bobby
Parents of Lillie
Chromosome 3pter-p25 Deletion syndrome
What is Chromosome 3pter-p25 Deletion syndrome?
This rare disease is a genetic syndrome that can cause severe to profound intellectual disability.
However in some instances, normal intelligence with just mild abnormalities has also been associated with the syndrome.
What gene changes cause Chromosome 3pter-p25 Deletion syndrome?
The syndrome is caused when a small piece of chromosome 3, at a specific location on the chromosome, is deleted from each cell. The majority of cases are not inherited.
Microdeletion inheritance occurs when there is a deletion of several genes on a chromosome. The specific chromosome on which the deletions occur will determine the syndrome they cause.
In some cases, a genetic syndrome may be the result of a de-novo mutation and the first case in a family. In this case, this is a new gene mutation which occurs during the reproductive process.
What are the main symptoms of Chromosome 3pter-p25 Deletion syndrome?
The presentation and severity of symptoms associated with the syndrome vary between individuals affected- according to the exact size and location of the deletion, as well as the genes involved.
Some individuals present with no symptoms at all, while others with very severe intellectual disability and developmental delay. Others are also diagnosed with autism spectrum disorder and sometimes OCD (obsessive compulsive disorder).
The syndrome may be identified in infants due to the following symptoms: failure to thrive including delayed growth, feeding difficulties and hypotonia (low muscle tone).
Facial features of the syndrome include wide set eyes, a small lower jaw, a very small head, ptosis and telecanthus.
A cleft palate, congenital heart defects (such as atrioventricular septal defects) and gastrointestinal anomalies are variable features.
How does someone get tested for Chromosome 3pter-p25 Deletion syndrome?
The initial diagnosis of Chromosome 3pter-p25 Deletion can begin with facial genetic analysis screening, as offered by FDNA Telehealth, which can identify the key markers of the syndrome and outline the need for further testing. If further testing is recommended what will follow is a consultation with a genetic counselor and then a geneticist. These consultations will usually involve a comprehensive review of the patient’s medical history, a generational family history documenting health issues and genetic conditions, and a detailed physical examination. Based on this clinical consultation, the options and recommendations for genetic testing will be shared with the individual’s parents/guardians and consent will be sought for further testing. This process may take place over the course of several clinic visits. Genetic testing will involve a blood sample. Results from the testing will then be sent back to the geneticist who will explain the resulting report in detail with the parents/guardians of the individual being tested.
What is FDNA Telehealth?
FDNA Telehealth is a leading digital health company that provides faster access to accurate genetic analysis.
With a hospital technology recommended by leading geneticists, our unique platform connects patients with genetic experts to answer their most pressing questions and clarify any concerns they may have about their symptoms.
Benefits of FDNA Telehealth
Our platform is currently used by over 70% of geneticists and has been used to diagnose over 250,000 patients worldwide.
FDNA Telehealth provides facial analysis and screening in minutes, followed by fast access to genetic counselors and geneticists.
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Our seamless process begins with an initial online diagnosis by a genetic counselor and follows by consultations with geneticists and genetic testing.
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