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Living with X-linked keloid scarring-reduced joint mobility-increased optic cup-to-disc ratio syndrome

A rare X-linked condition with stiff finger and neck joints, raised scars (keloids), an eye finding, and kidney stones.

Understanding X-linked keloid scarring-reduced joint mobility-increased optic cup-to-disc ratio syndrome

This is a rare genetic disease with stiff finger joints from birth, slowly stiffening shoulders and neck, keloid scars, and kidney stones.

It also has an increased optic cup-to-disc ratio, an eye measure often checked for glaucoma. Arthritis, thin bones, anxiety, and distinct facial features have also been reported. Female carriers have milder signs. It can begin at a variety of ages.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary describes these:

  • Stiff finger joints from birth
  • Stiffening of the shoulders and neck
  • Keloid scarring
  • Kidney stones
  • Increased optic cup-to-disc ratio
  • Arthritis and thin bones

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 eye disease specialists, genetic specialists and skin, hair, and nail specialists.

  3. Consider genetic testing

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

Care & treatment

Care team
Eye disease specialists (ophthalmologists); 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
Bring these questions to your next doctor visit
Could FLNA genetic testing help our family?
How can joint stiffness be managed?
What eye and kidney checks are recommended?

Quick facts

Symptoms usually starta variety of ages
InheritanceX-Linked
GenesFLNA

This condition is caused by changes in the FLNA gene and follows X-linked inheritance.

GeneticSkin

Also known as: x-linked keloid scarring, reduced joint mobility, increased optic cup-to-disc ratio syndrome

Patient organizations

Broader rare-disease groups

Source: NIH GARD · X-linked keloid scarring-reduced joint mobility-increased optic cup-to-disc ratio syndromeGARD ID 21990 · 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 X-linked keloid scarring-reduced joint mobility-increased optic cup-to-disc ratio syndrome.

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