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Living with Keratosis linearis-ichthyosis congenita-sclerosing keratoderma syndrome

An inherited skin condition with thick palms and soles, rough cord-like bumps at joint folds, and tight bands around the fingers.

Understanding Keratosis linearis-ichthyosis congenita-sclerosing keratoderma syndrome

Keratosis linearis-ichthyosis congenita-sclerosing keratoderma (KLICK) syndrome is an inherited skin condition with thickened skin on the palms, soles, and joint folds.

People have thick palms and soles, lines of rough bumps at the inner side of large joints such as the wrists, elbows, and knees, thick plaques on the neck, armpits, elbows, wrists, and knees, and mild scaling. Tight bands around the fingers can cause bending deformities. It is noticed in newborns and infants.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Thick skin on the palms and soles
  • Scaly, dry skin (ichthyosis)
  • Rows of rough bumps at joint folds
  • Thick plaques on the neck, armpits, and elbows
  • Tight bands around the fingers

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include genetic specialists and skin, hair, and nail specialists.

  3. Consider genetic testing

    Changes in POMP are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

  4. Connect with expert centers

    Foundation for Ichthyosis and Related Skin Types may keep lists of experts for this condition.

Care & treatment

Care team
Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: Foundation for Ichthyosis and Related Skin Types
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 Foundation for Ichthyosis and Related Skin Types and other patient organizations
  • 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
Bring these questions to your next doctor visit
Can genetic testing for the POMP gene confirm the diagnosis?
How can we care for the skin on the hands and feet?
Do the tight finger bands need treatment?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive
GenesPOMP

Changes in the POMP gene cause this condition. It is autosomal recessive, meaning a child inherits a changed copy of the gene from each parent.

GeneticSkin

Also known as: keratosis linearis, ichthyosis congenita, sclerosing keratoderma syndrome; klick syndrome

Patient organizations

Source: NIH GARD · Keratosis linearis-ichthyosis congenita-sclerosing keratoderma syndromeGARD ID 17306 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Keratosis linearis-ichthyosis congenita-sclerosing keratoderma syndrome.

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