Overview
Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome is an extremely rare genetic brain disorder that affects infants from very early in life. In this condition, the brain — including both the cerebrum (the large upper part) and the cerebellum (the smaller lower part responsible for coordination) — gradually shrinks over time, a process called atrophy. This shrinking leads to a head size that becomes progressively smaller than expected for the child's age, known as progressive microcephaly. Affected children develop severe seizures that are very difficult to control with standard anti-seizure medications, which is why they are described as intractable. Because the brain is so severely affected, children with this syndrome typically experience profound developmental delays, meaning they may not reach milestones like sitting, walking, or speaking. Other common features can include abnormal muscle tone, feeding difficulties, and significant intellectual disability. The condition is life-limiting, and treatment is mainly supportive, focusing on managing seizures as best as possible, providing nutritional support, and addressing other symptoms as they arise. There are currently no cures or disease-modifying treatments available for this syndrome. Care typically involves a team of specialists working together to improve the child's comfort and quality of life.
Key symptoms:
Severe seizures that are hard to control with medicationProgressive shrinking of the brainHead size that becomes increasingly small over timeSevere developmental delaysProfound intellectual disabilityAbnormal muscle tone (too stiff or too floppy)Feeding difficultiesPoor or absent speech developmentInability to sit or walk independentlyInvoluntary muscle movements or spasmsPoor visual responsivenessIrritability and excessive cryingFailure to thrive or poor weight gain
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Neonatal
Begins at or shortly after birth (first 4 weeks)
Treatments
No FDA-approved treatments are currently listed for Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome.
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Specialists
View all specialists →No specialists are currently listed for Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome.
Community
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Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.What is the specific genetic cause of my child's condition, and are further genetic tests needed?,What seizure medications or treatments do you recommend, and what are the possible side effects?,Should we consider a ketogenic diet or other non-medication approaches for seizure control?,What is the expected course of this condition, and how should we plan for the future?,Are there any clinical trials or research studies that my child might be eligible for?,What support services are available for our family, including palliative care and respite care?,Should other family members be tested to understand the risk for future pregnancies?
Common questions about Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome
What is Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome?
Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome is an extremely rare genetic brain disorder that affects infants from very early in life. In this condition, the brain — including both the cerebrum (the large upper part) and the cerebellum (the smaller lower part responsible for coordination) — gradually shrinks over time, a process called atrophy. This shrinking leads to a head size that becomes progressively smaller than expected for the child's age, known as progressive microcephaly. Affected children develop severe seizures that are very diffic
How is Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome inherited?
Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome typically begin?
Typical onset of Diffuse cerebral and cerebellar atrophy-intractable seizures-progressive microcephaly syndrome is neonatal. Age of onset can vary across affected individuals.