Definition
In tracheobronchial amyloidosis, amyloid is deposited in various segments of the trachea and bronchi. The deposits are composed of amyloid light chains (AL) and confined to the tracheobronchial tree, representing a form of localized AL amyloidosis. Systemic or pulmonary parenchymal involvement is uncommon.
Clinical Features
Incidence
Tracheobronchial amyloidosis constitutes a rare form of pulmonary amyloidosis; roughly 100 cases have been reported. Patients usually present with dyspnea, cough, hemoptysis, or hoarseness.
Age
The mean age of patients with tracheobronchial amyloidosis is around 64 years.
Sex
There is no sex predilection.
Site
Tracheobronchial amyloidosis is typically confined to the tracheobronchial tree. Proximal, mid, and distal airway involvement has been described using computerized tomographic imaging and bronchoscopy.
Treatment
The treatment depends on the localization of lesions and may include laser or forceps resection, external radiation, or...
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Borie, R., Danel, C., Molinier-Frenkel, V., Prevot, G., Deslee, G., Debray, M. P., Delfau-Larue, M. H., & Crestani, B. (2012). Tracheobronchial amyloidosis: Evidence for local B-cell clonal expansion. The European Respiratory Journal, 39(4), 1042–1045.
Capizzi, S. A., Betancourt, E., & Prakash, U. B. (2000). Tracheobronchial amyloidosis. Mayo Clinic Proceedings, 75(11), 1148–1152.
O’Regan, A., Fenlon, H. M., Beamis, J. F., Jr., Steele, M. P., Skinner, M., & Berk, J. L. (2000). Tracheobronchial amyloidosis. The Boston University experience from 1984 to 1999. Medicine (Baltimore), 79(2), 69–79.
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Khoor, A. (2018). Amyloidosis, Tracheobronchial. In: Cagle, P.T., Kerr, K.M. (eds) Pulmonary Pathology. Encyclopedia of Pathology. Springer, Cham. https://doi.org/10.1007/978-3-319-69263-0_318
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DOI: https://doi.org/10.1007/978-3-319-69263-0_318
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-319-69263-0
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