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Living with Mesomelic dysplasia, Kantaputra type

A rare inherited bone condition with short middle sections of the limbs and short stature.

Understanding Mesomelic dysplasia, Kantaputra type

Mesomelic dysplasia, Kantaputra type (MDK) is a rare skeletal disease in which the middle segments of the limbs are short on both sides.

It causes short stature. It is present from birth. Other bone differences can involve the upper arm bone, wrists, ankles, and fingers.

Signs & symptoms

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

  • Short middle sections of the limbs (mesomelia)
  • Short stature
  • Dumbbell-shaped upper arm bone
  • Fused wrist or ankle bones
  • Fingers bent toward the pinky side
  • Curved or bent little finger

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 bone and joint specialists and genetic 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

    Little People of America may keep lists of experts for this condition.

Care & treatment

Care team
Bone and joint specialists (orthopedists or orthopedic surgeons); Genetic specialists (geneticists)
Expert care
Expert lists: Little People of America
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 Little People of America
  • 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
Is genetic testing available for this condition?
How should growth and joints be monitored?
Which specialists should follow the bones?

Quick facts

Symptoms usually startNewborn
InheritanceAutosomal Dominant

Changes in genes (also called variants) cause this condition. It is inherited in an autosomal dominant way, so a change in one copy of the gene can be enough.

Genetic

Also known as: kantaputra mesomelic dysplasia; mdk; mesomelic dysplasia kantaputra type; mesomelic dysplasia thai type; mesomelic dysplasia with ankle carpal and tarsal synostosis; mesomelic dysplasia, thai type

Patient organizations

Source: NIH GARD · Mesomelic dysplasia, Kantaputra typeGARD ID 3074 · 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 Mesomelic dysplasia, Kantaputra type.

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