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Living with Global developmental delay - lung cysts - overgrowth - Wilms tumor syndrome

A rare genetic overgrowth syndrome with developmental delay, lung cysts, enlarged kidneys, and a kidney tumor called Wilms tumor.

Understanding Global developmental delay - lung cysts - overgrowth - Wilms tumor syndrome

Global developmental delay - lung cysts - overgrowth - Wilms tumor syndrome is a rare genetic overgrowth syndrome.

Features include developmental delay, large size at birth with continued overgrowth, cysts in both lungs, enlarged kidneys, and Wilms tumor in both kidneys. People may also have a large head, a prominent forehead, and a small lower jaw. Other features can include hernias and autistic behavior. It is usually noticed in infancy.

Signs & symptoms

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

  • Delays in overall development
  • Overgrowth, with large size at birth
  • Cysts in the lungs
  • Enlarged kidneys and Wilms tumor
  • Large head (macrocephaly) and prominent forehead
  • Autism

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 cancer specialists, genetic specialists, hormone specialists and kidney specialists.

  3. Consider genetic testing

    Changes in DICER1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Cancer specialists (oncologists); Genetic specialists (geneticists); Hormone specialists (endocrinologists); Kidney specialists (nephrologists)
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 National Kidney Foundation 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
Can genetic testing confirm a change in the DICER1 gene?
How often should the kidneys and lungs be checked for tumors or cysts?
Which specialists should be on my child's care team?

Quick facts

Symptoms usually startInfant
GenesDICER1

Changes in the DICER1 gene are listed as the cause of this condition.

GeneticKidneyEndocrine

Also known as: global developmental delay-lung cysts-overgrowth-wilms tumor syndrome; global developmental delay, lung cysts, overgrowth, and wilms tumor; global developmental delay, lung cysts, overgrowth, and wilms tumour; global developmental delay, lung cysts, overgrowth, wilms tumor syndrome; glow; glow (global developmental delay, lung cysts, overgrowth, wilms tumor) syndrome

Patient organizations

Source: NIH GARD · Global developmental delay - lung cysts - overgrowth - Wilms tumor syndromeGARD ID 17676 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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Perspectives from people navigating life with Global developmental delay - lung cysts - overgrowth - Wilms tumor syndrome.

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