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Living with Ichthyosis, cerebellar degeneration and hepatosplenomegaly

A rare condition with scaly skin, an enlarged liver and spleen, and balance and coordination problems.

Understanding Ichthyosis, cerebellar degeneration and hepatosplenomegaly

Ichthyosis, cerebellar degeneration and hepatosplenomegaly is a rare condition with scaly skin, an enlarged liver and spleen, and balance and coordination problems.

Coordination problems (cerebellar ataxia) appear later in life. GARD says the condition has been described in two brothers. Signs may begin in the newborn period or infancy.

Signs & symptoms

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

  • Scaly, dry skin (ichthyosis)
  • Poor balance and coordination (ataxia)
  • Walking problems
  • Speech changes
  • Enlarged liver and spleen
  • Memory and thinking problems (dementia)

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 brain and nervous system specialists, genetic specialists and skin, hair, and nail specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  4. Connect with expert centers

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

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Skin, hair, and nail specialists (dermatologists)
Expert care
Expert lists: National Ataxia Foundation, 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 National Ataxia Foundation 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
Which inheritance pattern applies to my family?
How often should the liver and spleen be checked?
What can help with balance and walking?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Recessive, X-Linked

GARD says changes in genes cause this condition. It is passed on in an autosomal recessive or an X-linked pattern.

GeneticNeurologicalSkin

Also known as: dykes-markes-harper syndrome; dykes-marks-harper syndrome; ichthyosis hepatosplenomegaly cerebellar degeneration; ichthyosis-hepatosplenomegaly-cerebellar degeneration syndrome

Patient organizations

Source: NIH GARD · Ichthyosis, cerebellar degeneration and hepatosplenomegalyGARD ID 1993 · 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

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