Igg4 Related Mediastinitis C0264573
A systemic fibroinflammatory condition affecting tissues in the chest cavity. It can cause masses and compression of nearby structures. Treatment typically involves corticosteroids or other immunosuppressants.
Key facts at a glance
- ICD-10
- J98.51
- ICD-11
- CA00.0
- Body system
- other
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest pain
Generalized symptoms
(other)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Dyspnea
(respiratory)Mediastinal mass
(respiratory)Esophageal stricture
(gastrointestinal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
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
Corticosteroid therapy
Systemic corticosteroids as primary treatment to reduce mediastinal inflammation and fibrosis, often requiring higher doses initially with gradual taper.
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Rituximab
B-cell targeted therapy for refractory or relapsing IgG4-related mediastinitis, particularly valuable when fibrosis is prominent and steroids are less effective.
Additional treatment options
Surgical decompression or biopsy
Surgical intervention to relieve compressive symptoms from fibrotic tissue, obtain diagnostic biopsy, or repair vascular involvement in advanced cases.
surgicalCardiothoracic imaging surveillance
Regular CT or MRI imaging to monitor mediastinal disease extent, assess treatment response, and detect involvement of adjacent structures like great vessels.
monitoringAntifibrotic agents
Investigational or adjunctive use of antifibrotic medications to address established fibrosis in chronic IgG4-related mediastinitis when inflammation has subsided.
medicationWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Igg4 Related Mediastinitis C0264573?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy