Rapidly progressive AA cardiomyopathy

W. Ishii, B. Kluve-Beckerman, J. J. Liepnieks, S. T. Vakili, Merrill Benson

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Cardiac involvement may occur with AA amyloidosis, but extensive deposition in the heart is rarely seen. We report a 58-year-old man who on autopsy showed massive cardiac AA amyloid deposition. He did not have history of a chronic inflammatory condition and died suddenly prior to diagnosis of amyloidosis. Autopsy revealed marked left ventricular hypertrophy. Although extensive eosinophilic deposits were present in cardiac and adrenal tissues, the deposits stained weakly with Congo red. Biochemical analysis of fibrils extracted from heart gave a protein sequence showing identity to serum amyloid A. Immunohistochemistry with anti-human AA monoclonal antibody revealed strong staining of amyloid deposits in cardiac and adrenal tissues. Based on these findings, a diagnosis of systemic AA amyloidosis was made. This case highlights the importance of considering AA amyloidosis when the causes of left ventricular hypertrophy are unknown, and demonstrates the usefulness of biochemical analysis for diagnosing amyloid type.

Original languageEnglish
Pages (from-to)203-205
Number of pages3
JournalAmyloid
Volume18
Issue numberSUPPL. 1
DOIs
StatePublished - Jun 2011

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Amyloidosis
Cardiomyopathies
Left Ventricular Hypertrophy
Amyloid
Autopsy
Serum Amyloid A Protein
Congo Red
Amyloid Plaques
Immunohistochemistry
Monoclonal Antibodies
Staining and Labeling
Proteins

ASJC Scopus subject areas

  • Internal Medicine

Cite this

Ishii, W., Kluve-Beckerman, B., Liepnieks, J. J., Vakili, S. T., & Benson, M. (2011). Rapidly progressive AA cardiomyopathy. Amyloid, 18(SUPPL. 1), 203-205. https://doi.org/10.3109/13506129.2011.574354

Rapidly progressive AA cardiomyopathy. / Ishii, W.; Kluve-Beckerman, B.; Liepnieks, J. J.; Vakili, S. T.; Benson, Merrill.

In: Amyloid, Vol. 18, No. SUPPL. 1, 06.2011, p. 203-205.

Research output: Contribution to journalArticle

Ishii, W, Kluve-Beckerman, B, Liepnieks, JJ, Vakili, ST & Benson, M 2011, 'Rapidly progressive AA cardiomyopathy', Amyloid, vol. 18, no. SUPPL. 1, pp. 203-205. https://doi.org/10.3109/13506129.2011.574354
Ishii W, Kluve-Beckerman B, Liepnieks JJ, Vakili ST, Benson M. Rapidly progressive AA cardiomyopathy. Amyloid. 2011 Jun;18(SUPPL. 1):203-205. https://doi.org/10.3109/13506129.2011.574354
Ishii, W. ; Kluve-Beckerman, B. ; Liepnieks, J. J. ; Vakili, S. T. ; Benson, Merrill. / Rapidly progressive AA cardiomyopathy. In: Amyloid. 2011 ; Vol. 18, No. SUPPL. 1. pp. 203-205.
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