Living with Hyperkeratosis lenticularis perstans
A rare skin condition with reddish-brown scaly bumps, mostly on the lower legs, that usually don't cause symptoms.
Understanding Hyperkeratosis lenticularis perstans
The bumps (papules) are usually painless. They are mainly located on the lower legs. It may happen by chance or run in families. It often begins in adults.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Reddish-brown thickened bumps
- Bumps mainly on the lower legs
- Itching
- Open skin sores
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include genetic specialists and skin, hair, and nail specialists.
- 3Ask which tests can help
Your care team will decide which exams and tests can confirm the diagnosis.
Care & treatment
- Care team
- Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
- Expert care
- Ask about multidisciplinary care centers for rare conditions
- Treatment
- GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
- Research
- Clinical trials and observational studies may be options. See the research section below.
General information, not medical advice. Your care team makes the decisions.
Everyday life
Living with a rare condition is easier with support.
- Connect with Children's Skin Disease Foundation
- Keep notes on symptoms, changes and questions for appointments
- Ask about patient registries that help research
- Look into financial aid and travel resources for care visits
Quick facts
Changes in genes (also called variants) cause this condition. It is autosomal dominant, meaning one changed copy of the gene can be enough to cause it. It may also be sporadic.
Also known as: flegel disease; flegel's disease; flegels disease; hlp; hlp - hyperkeratosis lenticularis perstans; hyperkeratosis lenticularis perstans (disease)
Patient organizations
- Children's Skin Disease FoundationSkin diseases · United States
Broader rare-disease groups
- Global GenesRare Diseases · United States
- National Organization for Rare DisordersRare Diseases · United States
- Genetic AllianceRare Diseases · United States
- RARE FoundationRare Diseases · United States
You are more than your diagnosis
Perspectives from people navigating life with Hyperkeratosis lenticularis perstans.
Explore research for Hyperkeratosis lenticularis perstans
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