5 Key Takeaways

• 1

  The College of American Pathologists released new guidelines to standardize diagnostics for amyloidosis, a rare disease caused by abnormal amyloid deposits.

• 2

  Standardized diagnostic criteria and techniques are essential for reliable amyloid detection across laboratories, including well-controlled staining and interpretation.

• 3

  Fat pad fine-needle aspiration is a valuable first-line test for systemic amyloidosis but has variable sensitivity and important limitations that must be considered.

• 4

  False-negative results in amyloid testing can arise from technical factors, such as section thickness and staining quality, necessitating careful laboratory practices.

• 5

  Mass spectrometry is preferred over immunohistochemistry for amyloid typing due to its higher diagnostic performance and lower rates of inconclusive results.