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Living with Michelin-tire baby

A rare condition from birth in which extra skin forms ring-like folds around the arms and legs.

Understanding Michelin-tire baby

Michelin-tire baby, or multiple benign circumferential skin creases on limbs (CSC-KT), is a rare condition from birth that affects the skin.

Babies are born with extra skin that folds into thin rings around the arms and legs. These usually occur on both sides and typically disappear as the child grows. Some people also have a cleft palate, delayed growth, developmental delay, seizures, brain differences, or unusual facial features. Fewer than 50 cases have been reported.

Signs & symptoms

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

  • Ring-like skin folds on the arms and legs
  • Cleft palate
  • Swelling
  • Thickened skin
  • Patchy darker skin

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.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); 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
Should we have TUBB and MAPRE2 genetic testing?
Are other body systems, like the brain, affected in my child's case?
Will the skin creases go away on their own?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant, Autosomal Recessive

In some cases it is caused by changes in the TUBB or MAPRE2 gene. GARD lists autosomal dominant and recessive inheritance.

GeneticNeurologicalSkin

Also known as: ccsf; circumferential skin creases, kunze type; congenital circumferential skin folds; cscsc; kunze-riehm syndrome; lipomatous hypertrophy

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Michelin-tire babyGARD ID 3589 · 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 Michelin-tire baby.

Explore the Michelin-tire baby blog

Explore research for Michelin-tire baby

Explore actively recruiting Michelin-tire baby studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Michelin-tire baby with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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