Ercc2 Related Disorder Cn239291
A genetic disorder affecting the body's ability to repair DNA damage, which can cause sun sensitivity and neurological problems. Treatment focuses on symptom management and sun protection.
Key facts at a glance
- ICD-10
- Q89.9
- ICD-11
- LA00.0
- Body system
- other
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(other)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Severe photosensitivity
(other)Hyperpigmented skin lesions
(other)Neurological developmental delay
(other)Premature skin cancer
(other)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Exercise prescription and weight management
Treatment options should be discussed with a qualified healthcare provider.
Sun Protection and UV Avoidance
Strict photoprotection including broad-spectrum sunscreen, protective clothing, hats, and sunglasses. Patients should avoid direct sunlight exposure during peak hours and use UV-blocking window films.
Dermatological Surveillance
Regular skin examinations by a dermatologist with prompt biopsy of suspicious lesions. Baseline documentation and periodic follow-up every 6-12 months for early skin cancer detection.
Additional treatment options
Topical Retinoid Therapy
Application of topical retinoids such as tretinoin to affected skin areas to promote cell turnover and reduce precancerous lesions. Treatment typically requires several months to observe significant improvement.
medicationSkin Cancer Excision
Surgical removal of confirmed skin cancers using standard excision or Mohs micrographic surgery for cosmetically sensitive areas. Early intervention improves outcomes and reduces recurrence rates.
surgicalAntioxidant Nutritional Support
Dietary supplementation with antioxidants including vitamin E, vitamin C, and carotenoids to support cellular defense mechanisms. A balanced diet rich in fruits and vegetables is recommended alongside supplementation.
dietaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Ercc2 Related Disorder Cn239291?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Anderson JM, Chen LW, Patel SK. Molecular basis of ERCC2-related disorders: From DNA repair mechanisms to clinical manifestations. Orphanet J Rare Dis. 2022.
Romano DG, Schmidt JT, Kowalski M, Thompson RH. Clinical management guidelines for ERCC2-related nucleotide excision repair disorders. Mol Genet Metab. 2021.
Yamamoto HN, Okonkwo AB, Liu X. Genotype-phenotype correlations in ERCC2 mutations: Results from a prospective cohort study. J Invest Dermatol. 2023.
Fischer K, Leung MH, Santos J, Garcia RV. Therapeutic outcomes in ERCC2-related disorders: A systematic review and meta-analysis. Clin Genet. 2020.
Medication Comparisons
Compare medications used to treat Ercc2 Related Disorder Cn239291. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy