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Living with Renal caliceal diverticuli-deafness syndrome

A very rare syndrome present from birth with kidney and urinary tract differences and hearing loss.

Understanding Renal caliceal diverticuli-deafness syndrome

Renal caliceal diverticuli-deafness syndrome is a very rare syndrome with kidney and urinary tract differences and hearing loss from inner ear nerve changes (sensorineural).

The kidneys have narrowed collecting areas with many tiny pouches called caliceal diverticula. GARD says it hasn't been described in the literature since 1981, and lists onset in the newborn period.

Signs & symptoms

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

  • Kidney differences
  • Urinary tract differences
  • Hearing loss (sensorineural)
  • Backed-up urine (hydronephrosis)

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 ear, nose, and throat specialists, genetic specialists and kidney specialists.

  3. Ask which tests can help

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

Care & treatment

Care team
Ear, nose, and throat specialists (otolaryngologists); Genetic specialists (geneticists); 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
How should my kidneys and urinary tract be monitored?
What hearing options are available?
Is genetic testing available to find the cause?

Quick facts

Symptoms usually startNewborn

GARD says gene changes cause this condition. It doesn't name a gene or describe inheritance yet.

GeneticKidney

Also known as: renal caliceal diverticuli and deafness syndrome; renal caliceal diverticuli-hearing loss syndrome

Patient organizations

Source: NIH GARD · Renal caliceal diverticuli-deafness syndromeGARD ID 4655 · 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 Renal caliceal diverticuli-deafness syndrome.

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