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Living with Recessive aplasia cutis congenita of limbs

An extremely rare condition in which skin is missing on the arms or legs at birth and heals with a scar.

Understanding Recessive aplasia cutis congenita of limbs

Recessive aplasia cutis congenita of limbs is an extremely rare form of aplasia cutis congenita, in which skin is missing on the arms or legs at birth.

The areas usually heal on their own and leave a scar with sparse hair. It may be linked to junctional epidermolysis bullosa. GARD says it hasn't been described in the literature since 1980.

Signs & symptoms

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

  • Missing skin on the arms or legs at birth
  • Healing with scars that have sparse hair

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

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

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

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
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 rare disease patient organizations for support
  • 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
How should the skin areas be cared for while they heal?
Does this involve junctional epidermolysis bullosa?
Is genetic testing or counseling available?

Quick facts

InheritanceAutosomal Recessive

GARD says inheritance was hypothesized to be autosomal recessive, meaning a child inherits a changed copy of the gene from each parent. It doesn't name a gene.

Also known as: aplasia cutis congenita of limbs, autosomal recessive; autosomal recessive aplasia cutis congenita of limb; congenital absence of skin on the upper or lower limbs; recessive aplasia cutis congenita of the limbs

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Recessive aplasia cutis congenita of limbsGARD ID 754 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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