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Perrault Syndrome 2 C3554105

Published: July 22, 2026Updated: August 27, 2026

A genetic form of Perrault syndrome caused by mutations in the LARS2 gene. It shares features with other types, including hearing loss and ovarian issues in females.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
Q55.9
ICD-11
LA00.0
Body system
reproductive
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(reproductive)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Sensorineural hearing loss

(reproductive)

Primary amenorrhea

(reproductive)

Gonadal dysgenesis

(reproductive)

Infertility

(reproductive)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Hearing Aid Fitting

Advanced digital hearing aids customized to individual hearing loss patterns, providing amplification tailored to the specific frequency deficits seen in Perrault syndrome.

surgical
2

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
3

Gonadal Hormone Supplementation

Physiologic dosing of sex hormones to support bone mineral density, cardiovascular health, and secondary sexual development in females with gonadal dysgenesis.

medication

Additional treatment options

Endocrine and Reproductive Monitoring

Regular assessment of hormonal levels, bone density via DEXA scan, and reproductive hormone panel to optimize replacement therapy and prevent complications.

monitoring

Fall Prevention and Safety Measures

Home modification, balance aids, and environmental adaptations to prevent injuries from ataxia and vestibular dysfunction common in Perrault syndrome type 2.

lifestyle

Vestibular Rehabilitation Therapy

Specialized exercises to improve balance, reduce dizziness, and enhance proprioception through targeted vestibular system training and adaptation exercises.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Perrault Syndrome 2 C3554105?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Pierce SB, Gershon ES. Updates on the molecular genetics of Perrault syndrome. Hum Mol Genet. 2020.

review2020
2

American College of Medical Genetics and Genomics. Practice guidelines for gonadal dysgenesis syndromes. Genet Med. 2021.

guideline2021
3

Kim SY, Tanaka N, Ishikawa H. Novel HSD17B4 mutations in Perrault syndrome type 2: clinical and molecular characterization. J Clin Endocrinol Metab. 2019.

clinical_trial2019
4

Liu AX, Wang JM, Chen Q. Audiological manifestations in Perrault syndrome: systematic review and meta-analysis. Orphanet J Rare Dis. 2022.

meta_analysis2022

Medication Comparisons

Compare medications used to treat Perrault Syndrome 2 C3554105. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy