Amyloidosis synonyms

Amyloidosis is a group of rare, heterogeneous disorders characterized by the extracellular deposition of misfolded proteins known as amyloid fibrils, and it is most commonly classified based on the specific precursor protein involved.

Common Synonyms and Historical Names

Because Amyloidosis is not a single disease but a spectrum of conditions, you may encounter various terms in your medical records depending on the underlying protein type. Historically, it was sometimes referred to as "amyloid disease" or "waxy degeneration" due to the appearance of affected organs during post-mortem examinations. In older literature, you might see terms like "primary systemic amyloidosis" (now often identified as AL amyloidosis) or "familial amyloid polyneuropathy" (FAP), which is now more precisely referred to as hereditary ATTR amyloidosis.

Classification and Nomenclature

In modern clinical practice, Amyloidosis is designated by the letter "A" (for amyloid) followed by the abbreviation of the specific precursor protein. For example, AL (light chain), AA (serum amyloid A), and ATTR (transthyretin) are the most frequent forms. Globally, these classifications align with the International Classification of Diseases (ICD-11 code 5C70), while the OMIM database tracks the genetic variants associated with hereditary forms.

Why Multiple Names Exist

The nomenclature for Amyloidosis has evolved significantly as our understanding of protein misfolding has improved. In the past, clinicians grouped these disorders solely by the organ systems affected, such as "nephropathic amyloidosis." Today, we prefer naming the condition based on the protein chemistry, as this is the primary determinant for treatment strategies. Using the specific protein-based name—such as AL or ATTR Amyloidosis—is the current gold standard, as it provides the most actionable information for your medical team to determine whether to use chemotherapy, stabilizers, or gene-silencing therapies.

Disclaimer: This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

References

• NIH Genetic and Rare Diseases Information Center (GARD): Amyloidosis


• Orphanet: Rare Disease Database (ORPHA:77322)


• Online Mendelian Inheritance in Man (OMIM): Amyloidosis (Entry #105200)