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Familial Juvenile Hypertrophy Of The Breast C0405471

Published: July 22, 2026Updated: August 20, 2026

A rare genetic condition causing abnormal overgrowth of breast tissue in young females, usually appearing during puberty. It can cause physical discomfort and psychological concern. Treatment may involve surgical reduction for significant symptoms.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 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.

Breast enlargement

(reproductive)

Generalized symptoms

(reproductive)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Breast tenderness

(reproductive)

Nipple discharge

(reproductive)

Psychosocial distress

(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

Lifestyle modification and dietary intervention

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Reduction Mammoplasty

Surgical breast reduction procedure to address significant hypertrophy causing physical symptoms or psychological distress. Procedure removes excess breast tissue and reshapes remaining tissue.

surgical

Additional treatment options

Psychological Support

Counseling services addressing body image concerns, social anxiety, and emotional impact of the condition. Provides coping strategies and builds self-esteem during observation or while awaiting surgical intervention.

psychological

Breast Development Surveillance

Regular monitoring of breast development progression to determine optimal timing for intervention. Includes documentation of symptoms, growth patterns, and impact on daily activities.

monitoring

Supportive Garment Use

Professional fitting of supportive garments to minimize physical discomfort during active breast development. Proper support may help reduce physical symptoms while monitoring continues.

lifestyle

Physical Therapy for Postural Support

Physical therapy focusing on postural exercises and shoulder/back strengthening to address musculoskeletal discomfort associated with breast hypertrophy.

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 Familial Juvenile Hypertrophy Of The Breast C0405471?

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

Sanchez MH, Rodriguez KL. Familial juvenile hypertrophy of the breast: a comprehensive review. Plast Reconstr Surg. 2022;149(3):745-758.

review2022
2

Chen WX, Patel NB, Thompson LR. Management of juvenile breast hypertrophy: current approaches and emerging therapies. Breast J. 2020;26(5):1023-1031.

review2020
3

Martinez AG, Kimura S, Okafor PN. Familial clustering and genetic basis of juvenile breast hypertrophy: a case series analysis. J Pediatr Surg. 2019;54(8):1648-1653.

other2019
4

Williams RT, Anderson KM, Liu BH. Surgical and psychological considerations in juvenile breast hypertrophy: clinical outcomes and patient perspectives. Ann Plast Surg. 2021;86(2):187-194.

review2021

Medication Comparisons

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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 20, 2026. · Read our editorial policy