Pathology Resident Wiki
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Synonyms[]

Antibodies[]

Technical Info[]

Staining Pattern[]

Expression in Normal Tissues[]

Expression in Neoplastic Entities[]

Benign[]
Tumor name % Positive Staining (Sensitivity) Number of Cases Specificity Comments


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


Malignant[]
Tumor name % Positive Staining (Sensitivity) Number of Cases Specificity Comments
Squamous cell carcinoma[1] 98%[1]
Additional Comments:[]

Expression in Non-Neoplastic Entities[]

Pertinent Negatives[]

This antigen is typically NOT expressed by the following entities:

  • Adenocarcinoma

Practical Uses / Panels[]

  • p40 has similar sensitivity to p63 for squamous cell carcinoma but has much greater specificity than p63. p40 is more very helpful in differentiating squamous cell carcinoma from adenocarcinoma of the lung than p63.[1]

Common Pitfalls[]

Related Links/Other Resources[]

References[]

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