Stromme syndrome is a rare genetic condition that affects development before birth and in early life. People with Stromme syndrome often have small or missing parts of the intestine, eye differences that can reduce vision, and a small head size. Features usually start before birth and are lifelong, but not everyone will have the same experience. Care often includes surgery for intestinal blockage, vision care, developmental therapies, and regular follow-up with specialists. The outlook varies by severity, and many living with Stromme syndrome do well with coordinated care.
Overview
Stromme syndromeSymptoms
In Stromme syndrome, signs often appear before or at birth: blocked or twisted small intestine causing belly swelling and vomiting, a smaller head, and eye differences affecting vision. Many children also have delayed development and short stature.
Outlook and prognosis
Many living with Stromme syndrome grow and learn at their own pace, with abilities ranging from mild to significant support needs. Early therapy for movement, vision, hearing, and learning often improves day‑to‑day skills. Regular care for intestinal, eye, and kidney features helps long‑term health.
Causes and risk factors
Stromme syndrome stems from harmful CENPF gene changes that affect cell division. It’s usually autosomal recessive—risk rises when both parents are carriers; consanguinity increases chances. Rare new mutations occur; environment and lifestyle don’t cause it but may influence complications.
Genetic influences
Genetics are central in Stromme syndrome; it’s caused by inherited changes in the CENPF gene. Most cases follow autosomal recessive inheritance, so parents are usually healthy carriers. Genetic testing confirms the diagnosis and helps with family planning and recurrence risk.
Diagnosis
Doctors suspect Stromme syndrome based on newborn features such as small head size, intestinal blockage, and eye differences, often seen on prenatal or postnatal imaging and exams. Genetic testing confirms the genetic diagnosis of Stromme syndrome.
Treatment and drugs
Treatment for Stromme syndrome is tailored to each person’s needs and may include surgery for intestinal atresia, feeding support, and vision care for eye differences. Physical, occupational, and vision therapy help build skills and independence. Ongoing coordinated care with genetics, gastroenterology, ophthalmology, and developmental specialists supports long‑term health.
Symptoms
From the first days of life, it can affect the bowel and the eyes, shaping feeding, growth, and vision. In Stromme syndrome, babies may be small at birth and some need early surgery for a blocked intestine. The early features of Stromme syndrome often include intestinal blockage and eye differences that can reduce vision. Features vary from person to person and can change over time.
A section of the small bowel may be closed off at birth, causing a swollen belly and green vomiting. In Stromme syndrome, this is a common early issue and surgery is usually needed in the first days of life.
The clear front of the eye can be cloudy or the eyes may be smaller than usual, which can lower vision. In Stromme syndrome, these differences often drive vision changes, and regular eye checks plus glasses or low-vision supports can help.
Head circumference is below average for age and sex. Doctors track it on growth charts and may order brain scans to look for structural differences.
Sitting, crawling, walking, or talking may happen later than expected. Many children with Stromme syndrome benefit from early physical, occupational, and speech therapy.
How people usually first notice Stromme syndrome?
Many families first notice signs of Strømme syndrome right around birth, when doctors see a smaller-than-expected head size (microcephaly) and feeding or breathing challenges, or when a prenatal ultrasound has already shown underdeveloped intestines (intestinal atresia) that may require surgery soon after delivery. Newborn exams often pick up distinctive eye findings—such as small or underdeveloped eyes and vision issues—and characteristic facial features, prompting genetic testing. For many, these early features together are the first signs of Strømme syndrome and guide the care team to a diagnosis.
Types of Stromme syndrome
Stromme syndrome is a rare genetic condition present from birth. It can look a little different from one person to the next, mainly in how the eyes, intestines, brain, and growth are affected. People may notice different sets of symptoms depending on their situation. When discussing types of Stromme syndrome, clinicians generally refer to recognized clinical variants based on which body systems are most involved rather than entirely separate diseases, so the “types of Stromme syndrome” below reflect well-described clinical patterns seen in practice.
Ocular‑predominant
Vision findings lead the picture, such as small or underdeveloped eyes and reduced vision. Other features like growth or learning differences may be milder. Eye exams and low‑vision support often guide day‑to‑day care.
Intestinal‑predominant
Intestinal atresia or blockage causes feeding problems and vomiting soon after birth. Surgery is often needed early, with nutrition and growth monitoring afterward. Other organ features can be present but may be less prominent.
Neurodevelopment‑predominant
Developmental delays, learning differences, and sometimes seizures stand out most. Brain imaging may show structural differences, and therapies support communication and motor skills. School‑age supports often matter as much as medical care.
Multisystem severe
Eye, intestinal, brain, and growth features are all pronounced. Newborns may need intensive support, multiple surgeries, and close follow‑up with several specialists. Even within the same type, intensity can range from mild to severe.
What genetics can tell you about symptoms
Some people with STRA6 or WDR35 gene changes in Strømme syndrome develop small eyes, kidney or heart differences, and distinct facial features because these genes guide early organ shaping. Variants in CENPF can add learning differences and growth delays by disrupting cell division timing.
Causes and risk factors
Stromme syndrome results from harmful changes in both copies of the CENPF gene, inherited or new.
Most cases happen when both parents are healthy carriers, so each pregnancy has a 25% chance.
For Stromme syndrome, some risks are modifiable (things you can change), others are non-modifiable (things you can’t).
Parents who are closely related have a higher chance of sharing the same gene change, and a prior affected child raises the chance in future pregnancies.
Lifestyle and common environmental exposures do not cause it, but good prenatal care and attention to early symptoms of Stromme syndrome can support healthier outcomes.
Environmental and biological risk factors
Stromme syndrome is a rare condition present from birth. At this time, researchers have not identified specific environmental risk factors for Stromme syndrome, and other biological contributors remain unclear. Researchers are still exploring how outside influences interact with our inner biology. The points below summarize what is known so far.
No specific exposures have been confirmed to raise the likelihood of Stromme syndrome. Studies so far have not shown links with radiation, heavy metals, or common pollutants.
Infections during pregnancy have not been shown to increase the chance of this condition. Current case reports do not support a causal connection.
Conditions like diabetes or thyroid disease have not been clearly associated with higher occurrence of Stromme syndrome. Available evidence is too limited to show a pattern.
Older maternal or paternal age has not been proven to affect the chance. No age-related pattern has been observed in published cases.
Genetic risk factors
The genetic causes of Stromme syndrome most often involve changes in both copies of a gene called CENPF. In most families this condition is inherited in an autosomal recessive way, with parents being healthy carriers. Risk is not destiny—it varies widely between individuals. Understanding genetic risk factors for Stromme syndrome can help with family planning and future pregnancy decisions.
CENPF gene changes: Most people with Stromme syndrome have harmful changes in both copies of the CENPF gene. When this gene does not work properly, early growth and organ development can be affected.
Autosomal recessive pattern: Stromme syndrome follows an autosomal recessive inheritance pattern. A child is affected when both parents pass down a nonworking copy of CENPF.
Carrier parents: Parents of a child with Stromme syndrome are usually healthy carriers. Each parent has one nonworking copy and one working copy of CENPF.
Recurrence risk 25%: When both parents are carriers, each pregnancy has a 25% (1 in 4) chance of Stromme syndrome. There is a 50% (1 in 2) chance the child will be an unaffected carrier, and a 25% (1 in 4) chance of inheriting two working copies.
Two different changes: Many affected children inherit two different CENPF changes—one from each parent. Others inherit the same change from both parents; both routes can lead to Stromme syndrome.
Consanguinity: When parents are closely related by blood, they are more likely to carry the same rare gene change. This increases the chance of an autosomal recessive condition like Stromme syndrome.
Typically not de novo: Stromme syndrome is rarely due to a brand-new (de novo) change appearing for the first time. It almost always reflects inherited changes in both copies of CENPF.
Variable severity: Even with the same CENPF changes, severity and features can differ between siblings and across families. This helps explain why outcomes with Stromme syndrome can be hard to predict.
Family history: Having a prior child with Stromme syndrome or known CENPF changes raises recurrence risk in future pregnancies. Relatives may be carriers and could consider testing when planning a family.
Lifestyle risk factors
Stromme syndrome is a genetic condition; lifestyle habits do not cause it, but daily choices can shape symptom control, growth, and complications. The focus here is how lifestyle affects Stromme syndrome in practical ways families can use. These are not cures, but modifiable habits that can support vision, development, bowel function, and recovery after surgeries. Discuss any changes with your medical team to fit surgical history and individual needs.
Children with prior intestinal surgery may need energy-dense, small, frequent meals to maintain growth. Insufficient intake can worsen poor weight gain and slow recovery from illness or procedures.
Gentle, therapist-guided movement helps preserve muscle tone, balance, and motor skills often challenged in this condition. Prolonged inactivity can increase stiffness and delay functional milestones.
Adequate fluids and a care-team–approved fiber plan can ease constipation common after intestinal surgeries. Poor hydration or unsuitable diets may trigger abdominal discomfort and bowel dysmotility.
Consistent sleep supports learning, behavior regulation, and daytime participation in therapies. Fragmented sleep can worsen irritability and reduce tolerance for vision and motor work.
Risk prevention
For most families, true prevention isn’t possible because Stromme syndrome is present from birth. Some prevention is universal, others are tailored to people with specific risks. Planning focuses on reducing complications, supporting development, and making informed reproductive choices. Spotting early symptoms of Stromme syndrome allows faster treatment and safer care planning.
A genetics professional can explain inheritance, recurrence risk, and testing options. If both parents are carriers, each pregnancy has about a 25% chance to be affected.
Testing parents—and sometimes adult relatives—can identify carriers of the causative gene. This helps families make informed reproductive decisions.
Detailed ultrasound and, when indicated, fetal MRI can look for features linked to Stromme syndrome. If a family variant is known, CVS or amniocentesis can provide a clear genetic answer to guide delivery planning.
IVF with embryo testing, use of donor eggs or sperm, or adoption may lower the chance of having another affected child. A counselor can help align choices with your values and medical realities.
Transmission
Stromme syndrome is not contagious—you can’t catch it from someone, and it does not spread through contact, air, or bodily fluids. It begins before birth due to changes in a gene rather than any infection.
It most often follows an autosomal recessive pattern; in many families, a child with Stromme syndrome is born when both parents silently carry one changed copy of the same gene and each passes it on, which is the genetic transmission of Stromme syndrome. When both parents are carriers, each pregnancy has a 25% (1 in 4) chance of a child with Stromme syndrome, a 50% (1 in 2) chance the child will be a carrier like the parents, and a 25% (1 in 4) chance of neither, regardless of sex. Many families have no prior family history because carriers are healthy; rarely, one of the two gene changes can be new in the child.
When to test your genes
Consider genetic testing if a doctor suspects Strømme syndrome based on features like intestinal atresia, eye anomalies, or microcephaly, or if a sibling is affected. Parents planning pregnancy may test as carriers. Testing also helps tailor care, guide surveillance, and inform recurrence risk for future pregnancies.
Diagnosis
In many newborns, the combination of bowel blockage and distinctive eye differences at birth points doctors toward a rare genetic condition called Stromme syndrome. Doctors usually begin with a careful exam and a review of the baby’s early course to see how the findings fit together. The pattern is then confirmed with specific tests, often including genetic testing of the CENPF gene. In some families, a genetic diagnosis of Stromme syndrome can also clarify future pregnancy risks and guide follow-up care.
Providers look for a triad of signs—intestinal atresia or obstruction, small head size, and eye anomalies. Seeing this pattern can strongly suggest Stromme syndrome. A detailed family and health history can help link the findings.
A pediatric eye specialist checks for small eyes, underdeveloped front-of-eye structures, or other changes. These clinical features help support a syndromic cause. Careful eye documentation also guides early vision support.
X-rays and ultrasound assess bowel blockage and the level of atresia. Imaging findings help plan surgery and support the overall diagnosis. They also distinguish Stromme syndrome from isolated intestinal atresia.
Before birth, scans may show excess amniotic fluid and dilated bowel loops, sometimes with a small head size. These clues can raise early suspicion for a syndromic cause. From here, the focus shifts to confirming or ruling out possible causes.
Stages of Stromme syndrome
Stromme syndrome does not have defined progression stages. It’s a condition present from birth, and features like intestinal blockage, small head size, and eye differences vary in severity from child to child rather than unfolding in a set order over time. Doctors usually start with a conversation about early symptoms of Stromme syndrome and do targeted exams, such as abdominal imaging, eye evaluations, brain scans, and developmental checks; genetic testing may confirm the diagnosis. Ongoing care typically tracks growth and nutrition, addresses intestinal concerns with surgery when needed, supports vision, and monitors development with regular follow-ups.
Outlook and prognosis
Looking ahead can feel daunting, but most children with Stromme syndrome make meaningful gains with time, therapy, and attentive medical care. Many living with Stromme syndrome have a mix of eye differences, smaller head size, and bowel or other organ issues; these can range from mild to more complex. Early symptoms of Stromme syndrome often show up in the newborn period, especially if there’s intestinal blockage that needs surgery. When that gut issue is repaired successfully and feeding improves, growth and development usually move forward, though delays are common and supports like vision services, physical therapy, and speech therapy often help.
The outlook is not the same for everyone, but most reports suggest that children who get through the early surgical period have good long‑term survival. Development can be uneven: some kids walk and use short phrases, while others need more ongoing assistance. Vision varies widely, too—some have usable sight with adaptations, while others rely more on hearing and touch. In medical terms, the long-term outlook is often shaped by both genetics and lifestyle, including the specific genetic changes involved, the severity of eye and intestinal findings, access to early therapies, and management of feeding and growth.
Serious complications are most likely in the first months if intestinal atresia, infections, or breathing problems occur; after that, many families focus on maximizing developmental skills and protecting vision. People with Stromme syndrome do not typically face progressive organ failure, but they may need periodic eye care, nutritional support, and monitoring for learning and motor needs. Talk with your doctor about what your personal outlook might look like. Not everyone with the same gene change will have the same outlook, so your care team will tailor expectations and plans to your child’s specific strengths and challenges.
Long-term effects
For many families, the first months center on intestinal surgery and eye findings; over time, the long-term picture focuses on growth, vision, and development. Long-term effects vary widely, and can range from mild learning differences to significant disability. People living with Stromme syndrome may have ongoing issues related to the original bowel condition and to the way the eyes and brain developed before birth. Families may remember early symptoms of Stromme syndrome like feeding difficulties and small eyes, but outlook depends mostly on surviving the newborn period and on the degree of vision and developmental involvement.
Many have reduced vision due to small or cloudy corneas and other eye structure changes. Sight can range from near-normal to severe vision loss. These differences in Stromme syndrome are usually lifelong.
Developmental delay and intellectual disability can occur, affecting speech, learning, and daily skills. Some individuals achieve independent communication and schooling, while others need substantial support. The degree in Stromme syndrome often reflects head size and early brain findings.
Children may grow more slowly and remain small for age. Short stature and low weight can persist into adulthood. This pattern in Stromme syndrome often relates to both the genetic condition and early intestinal problems.
After intestinal atresia, some live with long-term malabsorption or short bowel syndrome. This can lead to frequent stools and difficulties maintaining vitamins and calories. Severity in Stromme syndrome depends on how much intestine was affected.
How is it to live with Stromme syndrome?
Living with Stromme syndrome often means navigating a mix of medical appointments, therapies, and practical adaptations for vision challenges, learning differences, and sometimes digestive or kidney issues. Daily life can be steady and fulfilling with routines—early developmental support, low‑vision tools, and school accommodations help many children build skills and independence. Families and caregivers may feel the weight of coordination and advocacy, but they often become experts at anticipating needs, celebrating small gains, and connecting with specialists and community resources. Over time, many find a sustainable rhythm, with care plans that evolve as the child grows and strengths emerge.
Treatment and drugs
Treatment for Stromme syndrome focuses on the specific features each person has, since this rare condition can affect the eyes, intestines, growth, and learning in different ways. Supportive care can make a real difference in how you feel day to day. Newborns with intestinal blockage often need surgery soon after birth, while ongoing care may include glasses or eye surgery for vision issues, nutrition support to address feeding or growth concerns, and physical, occupational, and speech therapy to build skills over time. Doctors sometimes recommend a combination of lifestyle changes and drugs, such as lubricating eye drops, seizure medicines if seizures occur, and treatments for constipation or reflux, tailored to age and needs. Regular follow-up with a pediatrician, eye specialist, neurologist, and genetics team helps adjust care as children grow, and families may benefit from early intervention programs and educational support.
Non-drug treatment
Care for Stromme syndrome focuses on building skills, supporting vision and feeding, and coordinating specialists as needs change over time. Non-drug treatments often lay the foundation for day-to-day function and family routines. Starting services soon after early symptoms of Stromme syndrome are noticed may help children progress more steadily. Plans are tailored to each child, since features and severity can vary.
Team-based services in infancy focus on movement, feeding, vision use, and early communication. For many living with Stromme syndrome, starting early helps build strong daily routines.
Exercises target strength, posture, and motor milestones like sitting, standing, and walking. Therapists can also address low muscle tone and joint stiffness.
Practice with grasping, self-care, and play builds fine-motor skills and independence. Adaptive tools and positioning tips help daily activities go more smoothly.
Speech-language therapists support early communication, swallowing safety, and feeding skills. They can suggest textures, pacing, and positions to reduce choking and improve nutrition.
Your genes may have an impact on how drugs work for you
Medications used for people with Stromme syndrome may work differently because gene changes can alter how the body absorbs, breaks down, or responds to drugs. Clinicians often start low, go slow, and individualize dosing, sometimes using pharmacogenetic testing to guide safer choices.
Pharmacological treatments
There’s no single medicine that treats all aspects of Stromme syndrome, so drug therapy focuses on specific symptoms and complications. Needs vary by child and change over time, especially after intestinal surgery and as vision and development are assessed. Drugs that target symptoms directly are called symptomatic treatments. Care teams usually combine medicines with surgery, therapies, nutrition, and vision supports to cover day-to-day needs.
If seizures occur, doctors often start levetiracetam; other options include valproate depending on age and risks. Not everyone responds to the same medication in the same way. Your neurologist will adjust dosing and timing to balance seizure control and side effects, and may discuss medications for Stromme syndrome seizures if episodes persist.
Baclofen can ease spasticity and stiffness; diazepam may be used short term for spasms. These can improve comfort and positioning for therapy. Dosing may be increased or lowered gradually to match goals and tolerance.
Omeprazole or other proton pump inhibitors can reduce acid and protect the esophagus if reflux is a problem. This may lessen pain and feeding refusal. Doctors adjust treatment plans regularly to limit long-term side effects.
Rifaximin or metronidazole may be used for small intestinal bacterial overgrowth after bowel surgery. This can reduce bloating, diarrhea, and poor weight gain. Courses are time-limited and guided by symptoms and tests.
Genetic influences
Families often want to know how likely it is for another child to be affected. Stromme syndrome usually happens when both parents pass down a nonworking copy of the same gene, most often a gene called CENPF. A “carrier” means you hold the gene change but may not show symptoms.
When two carriers have a child together, each pregnancy has a 1 in 4 (25%) chance of Stromme syndrome, a 1 in 2 (50%) chance the child will be a carrier like the parents, and a 1 in 4 (25%) chance of neither. Genetic testing for Stromme syndrome can look for changes in CENPF to confirm the diagnosis and help with family planning, including testing of siblings or prenatal options if desired. Severity varies widely, so results don’t forecast exactly how a child will be affected.
Is Stromme syndrome genetic?
Genetics are central in Stromme syndrome; it’s caused by inherited changes in the CENPF gene. Most cases follow autosomal recessive inheritance, so parents are usually healthy carriers. Genetic testing confirms the diagnosis and helps with family planning and recurrence risk.
Pharmacogenetics—how genetics influence drug effects
For Stromme syndrome, treatment is usually supportive rather than based on a single disease‑targeting drug, so genetics shape care in a few practical ways. The gene change that causes Stromme syndrome (most often in a gene called CENPF) does not, by itself, determine how the body breaks down most medicines. Genes can influence how quickly you process certain medicines, which can affect dose and side effects. Pharmacogenetic results, when available, can guide choices for drugs often used in care—such as avoiding codeine or tramadol in people who don’t activate them well, adjusting doses of clobazam or some antidepressants, or screening for a gene marker linked to rare but serious rashes with carbamazepine. Because many people with Stromme syndrome have had intestinal surgery, absorption of oral medicines can be unpredictable; doctors may prefer liquid forms, different routes, or drug level monitoring, especially for anti‑seizure medicines and antibiotics. Dosing also takes into account age, body size, liver and kidney function, and nutrition and feeding needs, so genetic testing for medication response in Stromme syndrome is one part of a broader, individualized plan.
Interactions with other conditions
Day to day, illnesses that stress the gut or require certain medicines can play out differently when someone has had bowel surgery related to Stromme syndrome. Because early symptoms of Stromme syndrome often involve the intestines, nutrient absorption can be reduced, which may contribute to anemia, slower growth, weaker bones, or make vision therapies harder to optimize if key vitamins are low. Doctors call it a “comorbidity” when two conditions occur together. Some people with Stromme syndrome are also born with heart or kidney differences, so infections, anesthesia, or dehydration may have a bigger impact and need closer monitoring. Eye differences can coexist with common childhood eye problems, and treatment plans may need to be timed around other surgeries or therapies. Certain medicines—especially those absorbed in the small intestine or fat‑soluble vitamins—may not work as expected after bowel surgery, so teams often adjust the dose or use different formulations to keep care on track.
How genes can cause diseases
Humans have more than 20,000 genes, each carrying out one or a few specific functions in the body. One gene instructs the body to digest lactose from milk, another tells the body how to build strong bones and another prevents the body's cells from beginning to multiply uncontrollably and developing into cancer. As all of these genes combined are the building instructions for our body, a defect in one of these genes can have severe health consequences.
Through decades of genetic research, we know the genetic code of any healthy/functional human gene. We have also identified that in certain positions on a gene, some individuals may have a different genetic letter from the one you have. We call these hotspots "Genetic Variations" or "Variants" in short. In many cases, studies have been able to show that having the genetic letter "G" in the position makes you healthy, but having the letter "A" in the same position disrupts the gene function and causes a disease. Genopedia allows you to view these variants in genes and summarizes all that we know from scientific research, which genetic letters (Genotype) have good or bad consequences on your health or on your traits.
History
Families and communities once noticed patterns that didn’t fit the usual childhood illnesses: a newborn with very small eyes, a narrow chest, or a belly problem discovered soon after birth. Some babies needed surgery for intestinal blockage within the first days of life; others had learning differences or were smaller than expected. These early, scattershot observations lived in neonatal units and family stories long before a clear label existed.
First described in the medical literature as a cluster of intestinal atresia with eye and skull differences in the 1990s, Stromme syndrome gradually emerged from case reports of newborns who shared a similar set of features. At the time, doctors relied on what they could see and measure—blocked intestines, distinctive eye findings, small head size—because the genetic cause was still unknown. As more children were described, the outline of the condition sharpened. Some had typical growth and development after early surgery; others had more complex needs. This variability made it harder to pin down.
In recent decades, awareness has grown as genetic testing became part of routine evaluation for rare congenital conditions. Researchers linked Stromme syndrome to changes in a gene called CENPF, which helps cells divide and organize their internal “rails.” Knowing the gene connected the dots between the intestine, eye, and brain findings and explained why features can range from mild to severe. It also allowed families to receive clearer counseling about recurrence risk and offered a name that matched their lived experience.
From early case notes to modern gene studies, the history of Stromme syndrome shows how a rare condition moves from scattered observations to a defined diagnosis. Early symptoms of Stromme syndrome were once recognized only after urgent surgery; now many babies are identified before or shortly after birth, and care teams plan ahead. Over time, descriptions became more nuanced, acknowledging that some children have only a few features while others have many. This broader view helps clinicians avoid over‑narrow definitions and supports families in finding accurate information and community.
Today, the historical path continues to shape care. Reported cases remain few, which means each new description adds to what we know about outcomes, learning, and day‑to‑day life. Understanding where the definition started—and how it expanded—helps explain why two children with the same diagnosis may have different needs, and it reminds us that ongoing research and family stories both play a role in completing the picture.