Question 1

What is Filippi syndrome?

Accepted Answer

Filippi syndrome is a very rare condition that affects many parts of the body. It is known for a smaller head size (microcephaly) and differences in the hands and feet, where the skin between the fingers and toes may be joined (cutaneous syndactyly). People with this syndrome also often have a distinct facial appearance that can include a high and broad nasal bridge, thin alae nasi, a small lower jaw (micrognathia), and a high frontal hairline. Growth delays and intellectual challenges are also features of the condition.

Only a few cases have been reported worldwide, and some individuals may have additional signs such as undescended testicles (cryptorchidism), extra fingers or toes (polydactyly), or variations in teeth and hair. Filippi syndrome is passed down in an autosomal recessive pattern, which means a child needs to inherit a copy of the changed gene from each parent to develop the condition.

Question 2

What are the symptoms of Filippi syndrome?

Accepted Answer

People with Filippi syndrome often show a small head, cutaneous syndactyly (where the skin of fingers and toes is joined), growth delays, and challenges with intellectual development. They usually have a distinct facial look that includes a high and broad nasal bridge, thin nasal wings, a smaller lower jaw, and a high hairline. In addition, some individuals may experience undescended testicles, extra fingers or toes, and differences in the appearance of their hair or teeth.

Question 3

What causes Filippi syndrome?

Accepted Answer

Filippi syndrome is caused by changes in the CKAP2L gene. The condition is inherited in an autosomal recessive manner, meaning a person must receive a gene change from each parent. This genetic change is linked to the development of the features seen in this condition. Associated genes include CKAP2L.

Question 4

How is Filippi syndrome inherited?

Accepted Answer

Filippi syndrome follows an autosomal recessive inheritance pattern. This means a child must inherit a copy of the altered gene from both parents to develop the condition. Parents who each carry one copy typically do not show symptoms.

Question 5

How rare is Filippi syndrome?

Accepted Answer

Filippi syndrome is classified as very rare. The estimated prevalence is approximately <1 in 1,000,000. Because rare disease data can be limited, actual numbers may differ from published estimates.

Question 6

How is Filippi syndrome diagnosed?

Accepted Answer

Information about diagnosis is currently limited for this condition.

Question 7

Are there treatments for Filippi syndrome?

Accepted Answer

Information about treatment options is currently limited for this condition.

Question 8

What complications can arise from Filippi syndrome?

Accepted Answer

Filippi syndrome can lead to various complications due to its effects on growth and development. Individuals may experience growth delays and intellectual challenges, which can impact their daily life and learning. Additionally, some may have physical differences like cutaneous syndactyly, which might require surgical intervention for better function or appearance.

Question 9

How does Filippi syndrome affect daily life and management?

Accepted Answer

Living with Filippi syndrome can present unique challenges. Children may need extra support in school due to intellectual challenges, and physical therapy might be helpful for those with syndactyly. Families may also need to adapt their daily routines to accommodate any medical needs or therapies required for their loved ones.

Question 10

What is the life expectancy for someone with Filippi syndrome?

Accepted Answer

Currently, there is limited information about the life expectancy of individuals with Filippi syndrome. Since it is a very rare condition, not enough cases have been studied to provide a clear picture. However, the prognosis can vary widely based on the severity of symptoms and any associated complications.

Question 11

Are there specialists that should be involved in the care of someone with Filippi syndrome?

Accepted Answer

Yes, individuals with Filippi syndrome may benefit from a team of specialists. This can include geneticists for understanding the condition better, pediatricians for overall health, and developmental specialists for educational support. Depending on specific symptoms, other specialists like orthopedic surgeons or speech therapists may also be involved.

Organ System	Phenotype Count	Example Features
Brain and nerves	10	Dystonia, Seizure, Intellectual disability
Arms and legs	7	Finger clinodactyly, 2-4 toe syndactyly, Clinodactyly of the 5th finger
Growth and development	5	Postnatal growth retardation, Intrauterine growth retardation, Severe short stature
Muscles	4	Shrinkage of the cerebellum (cerebellar atrophy), Damage to the optic nerve (optic atrophy), Low muscle tone (hypotonia)
Eyes	2	Visual impairment, Damage to the optic nerve (optic atrophy)
Bones and joints	2	Limitation of joint mobility, Delayed skeletal maturation
Heart and blood vessels	1	Ventricular septal defect
Head and neck	1	Microcephaly
Skin	1	Small nail

Kisho

Filippi syndrome

Overview

Clinical Presentation

Explore clinical features

Genetic Landscape

Diagnosis

Prognosis

Research Landscape

Recent Publications

Medical References

External Resources

OMIM

Orphanet

GARD

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

Filippi syndrome

Overview

Clinical Presentation

Explore clinical features

Genetic Landscape

Diagnosis

Prognosis

Research Landscape

Recent Publications

Medical References

External Resources

OMIM

Orphanet

GARD

Related Diseases

Questions for Your Care Team

Questions for Your Care Team

FAQ

Frequently Asked Questions

What is Filippi syndrome?

What are the symptoms of Filippi syndrome?

What causes Filippi syndrome?

How is Filippi syndrome inherited?

How rare is Filippi syndrome?

How is Filippi syndrome diagnosed?

Are there treatments for Filippi syndrome?

What complications can arise from Filippi syndrome?

How does Filippi syndrome affect daily life and management?

What is the life expectancy for someone with Filippi syndrome?

Are there specialists that should be involved in the care of someone with Filippi syndrome?