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Idiopathic fibrosing mediastinitis with esophageal varices: A case report
Abid M Sadiq1,2, Faryal M Raza1,2, Yazid R Abdulrahimu1
1Department of Internal Medicine, Kilimanjaro Christian Medical Centre, Moshi, Tanzania.
Abstract:
Fibrosing mediastinitis (FM) is a rare cause of lung fibrosis with multiple etiologies ranging from infectious to autoimmune to idiopathic. Common causes of FM include histoplasmosis and a relatively new cause of IgG4-related disease. We present a 55-year-old male with symptoms of esophageal varices, intractable hiccups, and progressive difficulty in breathing. A chest X-ray showed right lung fibrosis with pleural effusion and loss of lung volume, which was originally thought to be the sequelae of SARS-CoV-2 or metastasis, but computed tomography of the chest revealed FM. His variceal bleeding was controlled, and he was discharged home. However, treatment for FM was not pursued because the cause was not identified. Using corticosteroids may not cease the progression of the disease, and surgical options are available when symptoms persist. Idiopathic FM requires laboratory and radiological findings to exclude relevant differential diagnoses.
Insights
Fibrosing mediastinitis (FM) is a rare lung fibrosis cause. This case highlights its varied symptoms and the importance of differential diagnosis when the etiology remains unidentified.
Area of Science:
- Pulmonology
- Radiology
- Gastroenterology
Background:
- Fibrosing mediastinitis (FM) is a rare condition causing lung fibrosis.
- Etiologies include infections (histoplasmosis), IgG4-related disease, and idiopathic causes.
- Prompt diagnosis is crucial for effective management.
Observation:
- A 55-year-old male presented with esophageal varices, hiccups, and dyspnea.
- Initial chest X-ray suggested SARS-CoV-2 sequelae or metastasis.
- CT imaging confirmed fibrosing mediastinitis.
Findings:
- The patient's variceal bleeding was managed.
- The underlying cause of FM was not identified, delaying specific treatment.
- Corticosteroids may not halt disease progression; surgery is an option for persistent symptoms.
Implications:
- Idiopathic FM necessitates thorough exclusion of other diagnoses through laboratory and imaging studies.
- Accurate etiological identification is key for targeted FM treatment.
- This case underscores the diagnostic challenges and management considerations for fibrosing mediastinitis.
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