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Pulmonary amyloidosis with pulmonary arteriovenous fistula
K Kamei1, K Kusumoto, T Suzuki
1Division of Pulmonary Medicine, Showa General Hospital, Tokyo, Japan.
Chest
|December 1, 1989
Abstract:
A 77-year-old man was found to have multiple pulmonary amyloidoma and arteriovenous (AV) fistula of the lungs. Massive deposits of amyloid were present in the vascular wall, which apparently caused the fistula.
Insights
This study reports a rare case of multiple pulmonary amyloidoma and arteriovenous fistula in a 77-year-old man. Amyloid deposits in the vascular wall were identified as the likely cause of the arteriovenous fistula.
Area of Science:
- Pulmonary Medicine
- Vascular Biology
- Pathology
Background:
- Pulmonary amyloidoma is a rare benign lung tumor characterized by amyloid deposition.
- Arteriovenous fistulas are abnormal connections between arteries and veins, which can occur in various organs, including the lungs.
Observation:
- A 77-year-old male patient presented with multiple pulmonary amyloidomas.
- The patient was also diagnosed with arteriovenous (AV) fistulas of the lungs.
Findings:
- Histopathological examination revealed massive amyloid deposits within the vascular walls of the affected lung tissue.
- These amyloid deposits were strongly associated with the development of the pulmonary arteriovenous fistulas.
Implications:
- This case highlights a potential mechanism linking amyloid deposition to the formation of pulmonary arteriovenous fistulas.
- Understanding this association may aid in the diagnosis and management of similar rare pulmonary vascular abnormalities.