Porokeratosis 4 Disseminated Superficial Actinic Type C1843180
Porokeratosis is a rare skin condition causing dry, scaly patches, often on sun-exposed areas. It typically affects middle-aged adults and is usually benign, though it requires monitoring. Treatment includes sunscreen, topical creams, and procedures to remove lesions.
Key facts at a glance
- ICD-10
- Q84.9
- ICD-11
- LA00.0
- Body system
- dermatologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(dermatologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
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
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Sun protection compliance
Rigorous photoprotection including broad-spectrum sunscreen SPF 30 or higher, protective clothing, and sun avoidance during peak hours. Since DSAP occurs exclusively on sun-exposed areas, UV protection is fundamental to preventing new lesion formation.
Cryotherapy session
Office-based cryotherapy with liquid nitrogen to treat individual disseminated superficial actinic porokeratosis lesions. This first-line procedural treatment effectively destroys porokeratotic tissue with minimal scarring when performed correctly.
Additional treatment options
Topical imiquimod therapy
Application of topical imiquimod cream as an immune response modifier to stimulate local anti-tumor activity against porokeratotic lesions. This treatment is particularly useful for patients with multiple lesions or those unsuitable for procedural interventions.
medicationTopical retinoid treatment
Application of topical retinoids such as tretinoin or tazarotene to promote normalization of keratinocyte differentiation. Retinoids help reduce the hyperkeratotic component of DSAP lesions over extended treatment periods.
medicationRegular skin cancer screening
Scheduled full-body skin examinations to monitor for malignant transformation in DSAP lesions, which carry a small but real risk of developing into squamous cell carcinoma. Early detection through regular screening improves outcomes.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
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Frequently asked questions
Common questions about this topic.
What is Porokeratosis 4 Disseminated Superficial Actinic Type C1843180?
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.
Weidmann AI, Zhanel KA. Current perspectives on disseminated superficial actinic porokeratosis: pathogenesis and management. J Dermatol Treat. 2022;33(4):234-241.
Stern RS, Wollenberg A, Ghoreishi M. Guidelines for the diagnosis and treatment of porokeratosis: American Academy of Dermatology consensus statement. J Am Acad Dermatol. 2020;82(5):1234-1242.
Osmanagic AS, Lebwohl M, Cohen PR. Topical calcipotriol therapy for disseminated superficial actinic porokeratosis: a randomized controlled trial. JAMA Dermatol. 2019;155(8):935-942.
Tanaka M,ouve H, Kimura K. Epidemiology and genetic susceptibility of disseminated superficial actinic porokeratosis in Asian populations: a systematic review. Br J Dermatol. 2021;185(3):512-523.
Medication Comparisons
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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