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Multiple Endocrine Neoplasia Type 2b C0025269

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

A hereditary cancer syndrome causing endocrine tumors along with distinctive physical features. Early detection and proactive treatment are essential due to aggressive tumor growth.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
E31.21
ICD-11
5A00.0
Body system
endocrine
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Fatigue or weight changes

(endocrine)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

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

Endocrine management

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
2

Prophylactic Thyroidectomy

Surgical removal of the thyroid gland to prevent medullary thyroid carcinoma, which is nearly inevitable in MEN2B. Early intervention before tumor development significantly improves survival outcomes.

surgical
3

Adrenalectomy for Pheochromocytoma

Surgical removal of adrenal tumors that secrete excess catecholamines. Requires careful preoperative preparation with alpha-blockade to prevent hypertensive crisis during surgery.

surgical

Additional treatment options

Regular Biochemical Screening

Comprehensive monitoring including serum calcitonin, metanephrines, and imaging studies to detect tumors at early stages when treatment is most effective.

monitoring

Tyrosine Kinase Inhibitor Therapy

Targeted therapy for advanced or metastatic medullary thyroid carcinoma. These agents inhibit signaling pathways that promote tumor growth and spread.

medication

Genetic Counseling and Psychological Support

Comprehensive counseling for patients and families regarding the hereditary nature of MEN2B, including discussion of screening implications for family members and psychosocial adaptation to chronic illness.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Multiple Endocrine Neoplasia Type 2b C0025269?

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

general

Medication Comparisons

Compare medications used to treat Multiple Endocrine Neoplasia Type 2b C0025269. 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 20, 2026. · Read our editorial policy