Laryngotracheal Involvement in Systemic Light Chain Amyloidosis
Abstract
Laryngotracheal amyloid deposition is an uncommon manifestation of systemic light chain amyloidosis. Diagnostic imaging, such as CT, is useful for suggesting the possibility of amyloidosis and delineating the extent of the lesions for surgical management; however, the diagnosis is confirmed with the histologic finding of amorphous eosinophilic material which stains positively for Congo red and may show apple green birefringence on polarization. These features are exemplified in this sine qua non radiology-pathology correlation article.
Keywords
Amyloidosis Amyloidoma Larynx Trachea Radiology PathologyNotes
Aknowledgements
We are grateful for support received from the University of Chicago Office of Faculty Affairs through the Faculty Initiatives Fund for our Head and Neck Radiology-Pathology Trainee Conference, during which this case was presented.
Compliance with Ethical Standards
Conflict of interest
The authors declare that they have no competing interests.
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