On this page
Feingold syndrome
Feingold syndrome is a rare inherited condition that can impact growth and development, leading to distinctive facial features, digit abnormalities, and sometimes problems with the oesophagus or small intestine. It is present from birth and affects individuals across various populations.
Overview
Feingold syndrome is a rare genetic condition that is present from birth. It is characterised by a combination of developmental features, which can vary significantly among affected individuals. These often include distinctive facial characteristics, differences in the bones of the hands and feet (known as digital anomalies), and sometimes problems with the digestive system [PMID:18404285]. Growth may also be affected, leading to smaller-than-average stature. The condition was first described by Dr. Murray Feingold in 1975, giving it its name. Due to its rarity, exact prevalence figures for Feingold syndrome are not well established, but it is considered a very uncommon diagnosis.
Symptoms & clinical features
The symptoms of Feingold syndrome can range from mild to more severe, even within the same family. Common features include distinctive facial characteristics such as a small head (microcephaly), a short palpebral fissure (the opening between the eyelids), and a small jaw (micrognathia). There are often abnormalities of the fingers and toes, which can include shortened fingers and toes (brachydactyly), fusion of fingers or toes (syndactyly), or missing digits in some cases [PMID:24603348].
Digestive system issues are also frequently observed. These can involve a narrowed oesophagus (oesophageal atresia) or problems with the small intestine (duodenal atresia), which may require surgical correction soon after birth. Other potential symptoms can include kidney abnormalities, heart defects, and hearing loss. Intellectual development can be typical, or some individuals may experience learning difficulties or intellectual disability, usually mild to moderate [PMID:18404285].
Video: Genetics 101
Affected organs
Feingold syndrome primarily affects several key body systems. The skeletal system is commonly impacted, leading to the characteristic digital abnormalities of the hands and feet. The head and facial structures are also frequently affected, resulting in distinctive facial features and often microcephaly. The gastrointestinal system is another major area of concern, particularly the oesophagus and small intestine, where structural abnormalities like atresia can occur [PMID:24603348].
Less commonly, other organs can be involved, including the heart (with various heart defects), the kidneys (with structural abnormalities), and potentially the ears (leading to hearing impairment). Brain development may also be influenced, contributing to varying degrees of developmental delay or intellectual disability.
Risks & severity
The severity of Feingold syndrome is variable, meaning that individuals with the condition can experience a wide range of signs and symptoms. Some people may have only mild digital abnormalities and distinctive facial features, while others might have more significant issues, such as severe digestive system malformations requiring extensive medical intervention early in life. Intellectual development can also vary; some individuals have typical cognitive abilities, whilst others may have learning difficulties or intellectual disability. The condition is present from birth, and its manifestations are typically evident during infancy.
While the condition can present challenges, particularly in infancy for those with severe digestive anomalies, many individuals with Feingold syndrome can lead fulfilling lives with appropriate medical support and management. Long-term health outcomes depend heavily on the specific symptoms present and the effectiveness of their management. Regular medical follow-up is generally recommended to monitor for potential complications and support development.
Genetic causes
While the specific causative genes for Feingold syndrome are not currently included in Jeen Health's reference dataset, the condition is known to be genetic. Research has identified that Feingold syndrome is primarily associated with variations in particular genes that play crucial roles during embryonic development [PMID:24603348]. These genes are important for the correct formation of many body parts, including bones, the digestive tract, and the brain. When these genes do not function as expected, due to pathogenic variants, it can disrupt these developmental processes, leading to the features observed in Feingold syndrome.
Inheritance pattern
Feingold syndrome typically follows an autosomal dominant inheritance pattern. This means that a person only needs to inherit one copy of an altered gene to develop the condition. If a parent has Feingold syndrome, there is a 50% chance with each pregnancy that their child will also inherit the condition. The condition can also arise spontaneously in an individual with no family history, due to a new (de novo) genetic alteration.
For families, understanding this inheritance pattern can be important for family planning and involves discussions with a genetic counsellor. Since the risk is 50% for children of an affected parent, genetic counselling can help families understand the implications and options available to them.
Each child has a 50% chance of inheriting the pathogenic variant, regardless of sex.
Diagnosis & testing
The diagnosis of Feingold syndrome is usually made based on a clinical assessment, looking for the characteristic combination of features such as distinctive facial appearance, digital anomalies, and potential digestive issues [PMID:18404285]. A paediatrician or a clinical geneticist will typically assess these signs.
Genetic testing can confirm a diagnosis by identifying the specific genetic alteration associated with Feingold syndrome. In the UK, if Feingold syndrome is suspected, a clinician may refer the individual for genetic testing. This testing would be performed through the NHS Genomic Medicine Service (GMS). The relevant NHS Genomic Test Directory code (R-code) would be applied for depending on the specific genetic test required, often a gene panel or whole exome sequencing, which helps to identify faults in the genes known to be associated with the condition.
Management & lifestyle
Management of Feingold syndrome focuses on addressing the specific symptoms experienced by each individual. This involves a multidisciplinary approach, often coordinated by a paediatrician or clinical geneticist. Early intervention is crucial, particularly for digestive system abnormalities like oesophageal or duodenal atresia, which may require surgical correction soon after birth.
Ongoing care may include monitoring growth and development. For individuals with learning difficulties or intellectual disability, educational and developmental support will be important. Orthopaedic interventions may be considered for significant digital anomalies. Regular follow-up with specialists, such as cardiologists for heart defects, nephrologists for kidney issues, and audiology for hearing screening, forms part of comprehensive care. A genetic counsellor can provide support and information regarding the genetic aspects of the condition and its implications for the family.
UK care pathway
In the UK, suspected cases of Feingold syndrome typically enter the NHS Genomic Medicine Service (GMS) pathway. A referral from a GP or specialist such as a paediatrician to a Clinical Genetics service is often the starting point. Clinical geneticists and genetic counsellors work together to assess individuals, provide diagnosis, and offer genetic counselling. Genetic testing, using appropriate NHS R-codes from the National Genomic Test Directory, will be arranged where clinically indicated to confirm a diagnosis or to guide management. Genetic counsellors play a vital role in explaining inheritance patterns, discussing implications for family members, and providing psychological support.
Frequently asked questions
Is Feingold syndrome always inherited from a parent?
Not always. While it can be inherited from an affected parent in an autosomal dominant pattern, it can also arise spontaneously in a child due to a new genetic change that occurred for the first time in that individual, meaning neither parent has the condition.
Can Feingold syndrome be detected before birth?
In some cases, severe structural abnormalities associated with Feingold syndrome, such as oesophageal or duodenal atresia, might be detected during routine prenatal ultrasound scans. If such features are observed, genetic testing can be considered to confirm the diagnosis.
How common is Feingold syndrome?
Feingold syndrome is considered a rare condition. Exact prevalence figures are difficult to establish due to its rarity and variable presentation. It is not common to encounter this diagnosis in the general population.
What kind of support is available for families affected by Feingold syndrome?
Families in the UK can access support through the NHS Genomic Medicine Service, including clinical geneticists and genetic counsellors. These professionals can provide medical guidance, genetic information, and connect families with other support services. Patient advocacy groups also exist for rare conditions, offering peer support and practical advice.
Will a person with Feingold syndrome have learning difficulties?
Intellectual development in individuals with Feingold syndrome can vary. Some may have typical cognitive abilities, while others might experience mild to moderate learning difficulties or intellectual disability. Developmental assessments help to understand individual needs.
References
- Solomon BD. VACTERL/VATER Association. Orphanet journal of rare diseases. 2011. PMID: 21846383
- Adam MP, Bick S, Mirzaa GM. Feingold Syndrome 1. 1993. PMID: 20301770
- Celli J, van Bokhoven H, Brunner HG. Feingold syndrome: clinical review and genetic mapping. American journal of medical genetics. Part A. 2003. PMID: 14518066
- Nishio Y, Kato K, Oishi H. MYCN in human development and diseases. Frontiers in oncology. 2024. PMID: 38884091
- Ferroul F, Snanoudj S, Leterme G. Rare features in Feingold syndrome type 1. European journal of medical genetics. 2025. PMID: 41005613
- Nitta Y, Sano H, Yoshimura Y. Feingold syndrome with GJB2 variants. Auris, nasus, larynx. 2025. PMID: 40695665
- Ganjavi H, Siu VM, Speevak M. A fourth case of Feingold syndrome type 2: psychiatric presentation and management. BMJ case reports. 2014. PMID: 25391829
- Courtens W, Levi S, Verbelen F. Feingold syndrome: report of a new family and review. American journal of medical genetics. 1997. PMID: 9375923