What Is Richieri-Costa-Pereira Syndrome and How Is It Treated?

Written by Medicover Team and Medically Reviewed by Dr Vamsi Krishna Kedarisetti , General Medicine

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Richieri Costa-Pereira syndrome is an extremely rare genetic disorder that affects the development of the lower jaw, mouth, hands, feet and other skeletal structures. It is also known as Robin sequence with cleft mandible and limb anomalies.

The condition is characterised by short stature, Robin sequence, abnormalities of the lower jaw, hand and foot abnormalities and possible airway problems. Other features may include a small mouth, a small lower jaw, laryngeal abnormalities and learning or language difficulties. Symptoms are present from birth and can affect breathing, feeding, speech and mobility.

What Are the Symptoms of Richieri Costa-Pereira Syndrome?

Symptoms of Richieri Costa-Pereira syndrome are present from birth and mainly affect the jaw, mouth, airway, hands, feet and growth. The combination and severity of abnormalities can vary between affected individuals.

Jaw and Facial Symptoms

Robin Sequence: Affected babies may have a small or underdeveloped lower jaw, backward displacement of the tongue and possible upper airway obstruction.
Cleft Mandible: A gap or split may affect the lower jaw.
Micrognathia: The lower jaw may be unusually small or underdeveloped.
Microstomia: The mouth opening may be unusually small.
Highly Arched or Cleft Palate: The roof of the mouth may be unusually high and narrow, and a cleft palate may occur in some affected individuals.
Low-Set Ears: The ears may be positioned lower than usual.
Prominent Ears: The ears may have an unusually prominent appearance.

Dental Abnormalities

Absent Lower Central Incisors: The lower central front teeth may be missing.
Other Dental Abnormalities: Abnormal development of the jaw and mouth may affect dental alignment and oral function.

Hand Abnormalities

Hypoplastic Thumbs: The thumbs may be unusually small or underdeveloped.
Preaxial Hand Abnormalities: Developmental abnormalities may affect the thumb side of the hands.
Postaxial Hand Abnormalities: Abnormalities may also affect the little-finger side of the hands.
Reduced Hand Function: Structural abnormalities may affect grasping and fine motor activities.

Foot and Limb Symptoms

Clubfoot: One or both feet may be turned inward or downward at birth.
Abnormal Tibiae: The shin bones may have developmental abnormalities.
Hypoplastic Great Toes: The great toes may be unusually small or underdeveloped.
Other Foot Abnormalities: Additional structural abnormalities may affect the feet.
Walking Difficulties: Foot and limb abnormalities may affect walking and mobility.

Airway and Laryngeal Symptoms

Laryngeal Abnormalities: Structural abnormalities of the larynx have been reported and may contribute to breathing problems.
Upper Airway Obstruction: Robin sequence and other airway abnormalities can interfere with breathing, particularly during infancy.

Growth and Developmental Symptoms

Short Stature: Affected individuals may be significantly shorter than expected for their age.
Feeding Difficulties: Jaw, oral and airway abnormalities can make feeding difficult during infancy.
Speech Difficulties: Abnormalities of the jaw and palate may affect speech development.
Learning and Language Difficulties: Some affected individuals may experience learning or language difficulties.

What Causes Richieri Costa-Pereira Syndrome?

Richieri Costa-Pereira syndrome is a genetic disorder associated with disease-causing changes affecting the EIF4A3 gene. These genetic abnormalities interfere with normal development of the jaw, face, airway and limbs before birth.

EIF4A3 Gene Abnormalities: Disease-causing genetic changes affecting the EIF4A3 gene are associated with the syndrome.
Autosomal Recessive Inheritance: The disorder follows an autosomal recessive inheritance pattern.
Carrier Parents: An affected child usually inherits disease-associated genetic changes from both parents.

Environmental factors and advanced paternal age have not been established as causes of Richieri Costa-Pereira syndrome.

When to See a Doctor for Richieri Costa-Pereira Syndrome?

Medical evaluation by a Clinical Geneticist or General Medicine Specialist is recommended when a newborn has a small or cleft lower jaw, breathing or feeding problems, underdeveloped thumbs, clubfoot, or other congenital limb abnormalities. Early assessment can support diagnosis and coordinated specialist care.

You should see a doctor if you have:

A small, underdeveloped or cleft lower jaw
Underdeveloped thumbs or other hand abnormalities
Clubfoot, short stature or delayed physical development

Get medical help immediately if:

A newborn or child has difficulty breathing
Severe choking or feeding problems occur
Signs of dehydration or poor weight gain develop

These could be signs of a serious complication like airway obstruction, which needs urgent care.

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How Is Richieri Costa-Pereira Syndrome Diagnosed?

Diagnosis is based on the characteristic combination of Robin sequence, lower jaw abnormalities, hand and foot abnormalities, laryngeal abnormalities and short stature. Because the condition is extremely rare, assessment by a clinical geneticist and other specialists is often required.

Physical Examination

A healthcare provider examines the jaw, mouth, airway, hands, feet and growth pattern for abnormalities associated with the syndrome.

Genetic Testing

Specialised molecular genetic testing may identify disease-associated changes affecting the EIF4A3 gene and help confirm the diagnosis. The appropriate testing method may depend on the type of genetic abnormality being investigated.

Imaging Studies

X-rays: X-rays can identify abnormalities of the lower jaw, hands, tibiae, feet and other skeletal structures.
Other Imaging Tests: Additional imaging may be used to assess craniofacial or limb abnormalities when needed.

Airway and Feeding Assessment

Newborns with Robin sequence or laryngeal abnormalities may require evaluation of breathing, swallowing and feeding to identify airway obstruction and reduce the risk of complications.

Developmental Assessment

Developmental evaluations may assess speech, language, learning and motor abilities and identify areas where additional support may be helpful.

Genetic Counselling

Genetic counselling can help families understand the diagnosis, autosomal recessive inheritance pattern and possible recurrence risk in future pregnancies.

How Is Richieri Costa-Pereira Syndrome Treated?

There is no cure or disease-specific treatment for Richieri Costa-Pereira syndrome. Management is individualised and focuses on maintaining a safe airway, supporting feeding, treating structural abnormalities and improving mobility and daily function.

Airway and Breathing Support

Babies with Robin sequence or laryngeal abnormalities may require monitoring for upper airway obstruction.
Positioning and other supportive measures may help maintain an open airway.
Severe airway obstruction may require specialised procedures or surgery.

Feeding and Nutritional Support

Special feeding techniques may help babies who have difficulty sucking or swallowing.
Nutritional monitoring can help support appropriate growth.
Additional feeding support may be needed when oral feeding is unsafe or inadequate.

Craniofacial and Jaw Care

Surgery may be considered for a cleft mandible or other significant jaw abnormalities.
Craniofacial specialists may plan treatment according to the severity of structural abnormalities.
Long-term dental and orthodontic care may be required.

Orthopaedic Treatment

Clubfoot may be managed with casting, bracing or surgery depending on severity.
Hand specialists may assess underdeveloped thumbs and other hand abnormalities.
Abnormalities of the tibiae and feet may require orthopaedic monitoring or treatment.
Corrective procedures may be considered when abnormalities significantly affect function.

Physical and Occupational Therapy

Physical therapy may support mobility, balance and walking.
Occupational therapy may help improve hand function and daily living skills.
Adaptive equipment may support independence when limb abnormalities are severe.

Speech and Developmental Support

Speech therapy may help individuals with communication difficulties related to jaw or palate abnormalities.
Language, learning and developmental progress may be monitored regularly.
Educational support may be provided according to individual needs.

Genetic Counselling

Families can receive information about the genetic cause of the syndrome.
Counselling can explain recurrence risks and available reproductive options.

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What Are the Risk Factors for Richieri Costa-Pereira Syndrome?

Because Richieri Costa-Pereira syndrome is an autosomal recessive genetic disorder, the main risk factors relate to inheritance rather than lifestyle or environmental exposure.

Carrier Parents: The risk is increased when both parents carry disease-associated genetic changes affecting the EIF4A3 gene.
Family History: Having an affected relative may increase the likelihood of carrying a disease-associated genetic change.
Consanguinity: Biological relationship between parents may increase the likelihood that both carry the same rare recessive genetic change.

What Are the Complications of Richieri Costa-Pereira Syndrome?

Complications depend on the severity of the jaw, airway, hand and foot abnormalities. Early multidisciplinary care can help reduce health risks and improve function.

Upper airway obstruction
Feeding and swallowing difficulties
Poor weight gain
Speech and communication problems
Dental and orthodontic problems
Reduced hand function
Walking and mobility difficulties

Can Richieri Costa-Pereira Syndrome Be Prevented?

Richieri Costa-Pereira syndrome cannot currently be prevented because it is a genetic disorder. However, genetic counselling can help families understand the inheritance pattern and discuss available reproductive options.

Seek genetic counselling when there is a family history of the syndrome.
Discuss carrier or genetic testing with a clinical geneticist when appropriate.
Arrange early specialist assessment when jaw, airway, hand or foot abnormalities are identified at birth.
Continue regular craniofacial, airway, orthopaedic and developmental follow-up based on individual needs.

Frequently Asked Questions

1. What is Richieri Costa-Pereira syndrome?

Richieri CostaPereira syndrome is a rare genetic disorder characterized by intellectual disability, distinctive facial features, and skeletal abnormalities.

2. What are the common symptoms of Richieri CostaPereira syndrome?

Common symptoms include developmental delay, short stature, hypotonia (low muscle tone), distinctive facial features, and skeletal anomalies.

3. Is there a specific treatment for Richieri CostaPereira syndrome?

Currently, there is no specific treatment for Richieri Costa-Pereira syndrome. Management focuses on addressing individual symptoms and providing supportive care.

4. What is the prognosis for individuals with Richieri Costa-Pereira syndrome?

The prognosis varies depending on the severity of symptoms. Some individuals may have a normal lifespan with appropriate medical care and support.

5. Is Richieri Costa-Pereira syndrome inherited?

Richieri Costa-Pereira syndrome is typically inherited in an autosomal recessive manner, meaning that two copies of the mutated gene are needed to manifest the condition.