Skip to content
knowrare
HealthSignal
Your condition community

Living with Short fifth metacarpals-insulin resistance syndrome

A rare genetic condition with short hand bones, insulin resistance and oddly shaped red blood cells.

Understanding Short fifth metacarpals-insulin resistance syndrome

Short fifth metacarpals-insulin resistance syndrome is a rare genetic condition with short hand bones, insulin resistance and spherocytosis.

People have a shortened fifth metacarpal (the long bone behind the pinky) on one or both hands. They also have insulin resistance, meaning the body doesn't respond well to insulin. Spherocytosis means red blood cells are round instead of flat. GARD lists onset in the teen years.

Signs & symptoms

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

  • Short hand bone behind the pinky
  • Insulin resistance
  • Round red blood cells (spherocytosis)
  • Enlarged spleen
  • Short stature
  • Stuffy nose

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 hormone specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Genetic specialists (geneticists); Hormone specialists (endocrinologists)
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 often should blood sugar and insulin be checked?
Should we see a blood specialist about spherocytosis?
Could family members be affected too?

Quick facts

Symptoms usually startTeenager
InheritanceAutosomal Dominant

GARD doesn't list a gene. The condition is inherited in an autosomal dominant pattern, meaning one changed copy of a gene is enough.

GeneticEndocrine

Also known as: short fifth metacarpal insulin resistance syndrome

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Short fifth metacarpals-insulin resistance syndromeGARD ID 18868 · 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 Short fifth metacarpals-insulin resistance syndrome.

Explore the Short fifth metacarpals-insulin resistance syndrome blog

Explore research for Short fifth metacarpals-insulin resistance syndrome

Explore actively recruiting Short fifth metacarpals-insulin resistance syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Short fifth metacarpals-insulin resistance syndrome 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

Powered by HealthSpark, our AI chat helper

I can help you find recruiting Short fifth metacarpals-insulin resistance syndrome studies. Enter a ZIP code, address or city below and I'll look within 50 miles.

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

Get Signals for Short fifth metacarpals-insulin resistance syndrome

Stay in the loop with community stories and updates from medical researchers.

HealthStoryfor Short fifth metacarpals-insulin resistance syndrome

Create a living journal that talks back

HealthStory evolves private journaling with a living AI journal that talks back and asks thoughtful questions, helping you capture your Short fifth metacarpals-insulin resistance syndrome experiences more deeply and prepare for better conversations with your doctors and care team.

Start your journal

Your journal is private. Sharing your story publicly is a separate choice, made with Share your story above.