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Secondary renal amyloidosis in a 13-year-old girl with bronchiectasis

A 13-year-old girl was diagnosed with non-cystic fibrosis (CF)-related multifocal bronchiectasis accompanied by nephrotic-range proteinuria of unknown cause. On renal biopsy, there were many segmental homogeneous deposits of amyloid tissue with positive Congo red staining in the glomeruli and inters...

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Detalles Bibliográficos
Autores principales: Yang, Eun Ae, Lee, Dong Won, Hyun, Myung Chul, Cho, Min Hyun
Formato: Texto
Lenguaje:English
Publicado: The Korean Pediatric Society 2010
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3004490/
https://www.ncbi.nlm.nih.gov/pubmed/21189954
http://dx.doi.org/10.3345/kjp.2010.53.7.770
Descripción
Sumario:A 13-year-old girl was diagnosed with non-cystic fibrosis (CF)-related multifocal bronchiectasis accompanied by nephrotic-range proteinuria of unknown cause. On renal biopsy, there were many segmental homogeneous deposits of amyloid tissue with positive Congo red staining in the glomeruli and interstitium. On electron microscopy, relatively straight, non-branching, randomly arranged amyloid fibrils were showed in the mesangium of the glomeruli. These fibrils were approximately 10 nm in diameter, compatible with secondary amyloidosis. Her level of serum amyloid A was remarkably elevated. To our knowledge, this girl is the first case of secondary renal amyloidosis induced by bronchiectasis in Korean children.