Amyloidoses

Franco Rongioletti

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Amyloidoses are a heterogeneous group of diseases in which a fibrillar proteinaceous insoluble material called amyloid accumulates in various tissues and organs. Amyloid is not a single substance but describes various types of protein aggregations that share the characteristic unifying properties of congophilia and doubly refractile green color under polariscopy, distinctive fibrillar ultrastructure, and a β-pleated sheet structural conformation. Amyloidoses are identified according to the nature of the main amyloid precursor protein and classified into systemic amyloidoses and localized cutaneous amyloidoses. Systemic amyloidoses include primary, secondary, and hereditary/familial forms, while the primary localized cutaneous amyloidoses include three major forms: lichen amyloidosis and macular amyloidosis in which amyloid deposits are due to keratin, and primary nodular cutaneous amyloidosis that occurs as a result of deposition of immunoglobulin light chains produced by a local proliferation of plasma cells. Among the systemic amyloidoses, primary and myeloma-associated systemic amyloidosis is the most common form in which 40% of patients develop mucocutaneous disease, while secondary systemic amyloidoses and hemodialysis-associated amyloidosis present rarely with cutaneous involvement.

Original languageEnglish
Title of host publicationClinical and Pathological Aspects of Skin Diseases in Endocrine, Metabolic, Nutritional and Deposition Disease
PublisherSpringer New York
Pages127-137
Number of pages11
ISBN (Print)9781607611806
DOIs
Publication statusPublished - 2010

Fingerprint

Amyloidosis
Amyloid
Immunoglobulin Light Chains
Lichens
Skin
Amyloid beta-Protein Precursor
Amyloid Plaques
Keratins
Plasma Cells
Renal Dialysis
Color

Keywords

  • Amyloid
  • Lichen amyloidosis
  • Macular amyloidosis
  • Nodular amyloidosis
  • Primary loca-lized cutaneous amyloidoses
  • Systemic amyloidoses

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Rongioletti, F. (2010). Amyloidoses. In Clinical and Pathological Aspects of Skin Diseases in Endocrine, Metabolic, Nutritional and Deposition Disease (pp. 127-137). Springer New York. https://doi.org/10.1007/978-1-60761-181-3_17

Amyloidoses. / Rongioletti, Franco.

Clinical and Pathological Aspects of Skin Diseases in Endocrine, Metabolic, Nutritional and Deposition Disease. Springer New York, 2010. p. 127-137.

Research output: Chapter in Book/Report/Conference proceedingChapter

Rongioletti, F 2010, Amyloidoses. in Clinical and Pathological Aspects of Skin Diseases in Endocrine, Metabolic, Nutritional and Deposition Disease. Springer New York, pp. 127-137. https://doi.org/10.1007/978-1-60761-181-3_17
Rongioletti F. Amyloidoses. In Clinical and Pathological Aspects of Skin Diseases in Endocrine, Metabolic, Nutritional and Deposition Disease. Springer New York. 2010. p. 127-137 https://doi.org/10.1007/978-1-60761-181-3_17
Rongioletti, Franco. / Amyloidoses. Clinical and Pathological Aspects of Skin Diseases in Endocrine, Metabolic, Nutritional and Deposition Disease. Springer New York, 2010. pp. 127-137
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