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Synonyms[]

  • GCDFP-15
  • BRST-2

Antibodies[]

Technical Info[]

Staining Pattern[]

  • Cytoplasmic

Expression in Normal Tissues[]

  • apocrine sweat glands[1]
  • eccrine glands (variable)[1]
  • minor salivary glands[1]
  • bronchial glands[1]
  • metaplastic epithelium of the breast[1]
  • serous cells of the submandibular gland[1]

Expression in Neoplastic Entities[]

Benign[]
Tumor name % Positive Staining Number of Cases
benign sweat gland tumors of the skin [1]


Intermediate/Uncertain Malignant Potential[]
Tumor name % Positive Staining Number of Cases


Malignant[]
Tumor name % Positive Staining Number of Cases
Breast carcinomas (primary and metastatic lesions) with apocrine features[1]
extramammary Paget's Disease[1]

Expression in Non-Neoplastic Entities[]

Pertinent Negatives[]

This antigen is typically NOT expressed by the following entities:

Practical Uses / Panels[]

Common Pitfalls[]

Related Links/Other Resources[]

References[]

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