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Living with Paternal uniparental disomy of chromosome 14

A chromosome pattern causing Kagami-Ogata syndrome, with developmental delay, feeding trouble, a small bell-shaped chest, and belly wall differences.

Understanding Paternal uniparental disomy of chromosome 14

Paternal uniparental disomy of chromosome 14 causes Kagami-Ogata syndrome, a condition with developmental delay and distinct body differences.

People have developmental delay, intellectual disability, and feeding and swallowing trouble. A small, bell-shaped chest with coat-hanger-shaped ribs and belly wall differences (omphalocele) are common. Heart disease and a type of liver tumor (hepatoblastoma) have also been reported. Signs begin in newborns and infants.

Signs & symptoms

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

  • Coat-hanger shape of the ribs
  • Feeding difficulties
  • Delays in development
  • Large tongue (macroglossia)
  • Gap in the belly muscles (diastasis recti)
  • Curved spine (kyphoscoliosis)

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 and genetic 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)
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 Ring14 USA and other patient organizations
  • 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
What feeding and swallowing support is available?
How should we monitor the liver and heart, since tumors and heart disease have been reported?
Which specialists should be on the care team?

Quick facts

Symptoms usually startNewborn and as an Infant

Both copies of chromosome 14 come from the father, which causes the condition.

GeneticNeurological

Also known as: kagami-ogata syndrome due to paternal uniparental disomy of chromosome 14; paternal uniparental disomy of chromosome type 14; upd(14)pat; upd14, paternal

Patient organizations

Source: NIH GARD · Paternal uniparental disomy of chromosome 14GARD ID 5409 · 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

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