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Amyloid A

Amyloid A immunostain.

SynonymsEdit

Serum Amyloid A (SAA)

AntibodiesEdit

Technical InfoEdit

Staining PatternEdit

Cytoplasmic

Expression in Normal TissuesEdit

Expression in Neoplastic EntitiesEdit

BenignEdit
Tumor name % Positive Staining (Sensitivity) Number of Cases Specificity Comments


Intermediate/Uncertain Malignant PotentialEdit
Tumor name % Positive Staining (Sensitivity) Number of Cases Specificity Comments


MalignantEdit
Tumor name % Positive Staining (Sensitivity) Number of Cases Specificity Comments
Additional Comments:Edit

Expression in Non-Neoplastic EntitiesEdit

Pertinent NegativesEdit

This antigen is typically NOT expressed by the following entities:

Practical Uses / PanelsEdit

  • Used to help classify the subset of telangiectatic/inflammatory hepatic adenomas[1]

Common PitfallsEdit

Related Links/Other ResourcesEdit

ReferencesEdit

  1. Bioulac‐Sage, Paulette, et al. "Hepatocellular adenoma subtype classification using molecular markers and immunohistochemistry." Hepatology 46.3 (2007): 740-748.

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