Short answer · Medically reviewed summary · Last updated: 2026-05-08
Costello syndrome is a rare genetic disorder caused by a mutation in the HRAS gene, characterized by developmental delay, distinct facial features, and an increased risk of specific tumors. Receiving a diagnosis of Costello syndrome is life-changing, but by building a multidisciplinary medical team and connecting with specialized support networks, you can proactively manage the complex health needs associated with this condition. How can I build an effective medical care team for Costello syndrome? Because Costello syndrome affects multiple systems, you need a "medical home" led by a geneticist or a pediatrician who understands the condition’s multisystem nature.
Costello syndrome is a rare genetic disorder caused by a mutation in the HRAS gene, characterized by developmental delay, distinct facial features, and an increased risk of specific tumors. Receiving a diagnosis of Costello syndrome is life-changing, but by building a multidisciplinary medical team and connecting with specialized support networks, you can proactively manage the complex health needs associated with this condition.
Because Costello syndrome affects multiple systems, you need a "medical home" led by a geneticist or a pediatrician who understands the condition’s multisystem nature. Your care team should ideally include a pediatric cardiologist (to monitor for hypertrophic cardiomyopathy), an endocrinologist (for growth hormone management), and a physical therapist. Regular screenings are vital, as individuals with Costello syndrome have an increased predisposition to benign and malignant tumors, requiring consistent oncological surveillance.
Managing daily life with Costello syndrome requires balancing medical appointments with energy conservation. Many families find success by maintaining a centralized "health binder" or digital record of all specialist reports. Key management strategies include:
Living with a rare disease can feel isolating, but you are not alone. Our community at DiseaseMaps.org includes 13 individuals with Costello syndrome who share lived experiences. Engaging with organizations like the Costello Syndrome Family Network provides access to families who have navigated the same insurance, school, and medical hurdles you are currently facing.
Medical disclaimer: This information is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment.