Paired box gene 8

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Paired box gene 8
Immunostain in short

PAX8 staining in a poorly differentiated carcinoma.
Abbreviation PAX8
Use RCC versus other, gynecologic tract malignancy versus other
Subspeciality gynecologic pathology, genitourinary pathology
Normal staining pattern nuclear stain
Positive renal cell carcinomas, renal oncocytoma, thyroid tumours, serous carcinoma, endometrial carcinomas

Paired box gene 8, commonly known by the abbreviation PAX8, is a commonly used immunostain in gynecologic pathology and genitourinary pathology.

Tumours with positive staining

Negative staining

Negative PAX8 staining in a lymphoma.

See also


  1. 1.0 1.1 1.2 1.3 1.4 1.5 Laury, AR.; Perets, R.; Piao, H.; Krane, JF.; Barletta, JA.; French, C.; Chirieac, LR.; Lis, R. et al. (Jun 2011). "A comprehensive analysis of PAX8 expression in human epithelial tumors.". Am J Surg Pathol 35 (6): 816-26. doi:10.1097/PAS.0b013e318216c112. PMID 21552115.
  2. Sangoi, AR.; Ohgami, RS.; Pai, RK.; Beck, AH.; McKenney, JK.; Pai, RK. (Mar 2011). "PAX8 expression reliably distinguishes pancreatic well-differentiated neuroendocrine tumors from ileal and pulmonary well-differentiated neuroendocrine tumors and pancreatic acinar cell carcinoma.". Mod Pathol 24 (3): 412-24. doi:10.1038/modpathol.2010.176. PMID 20890270.
  3. Tacha, D.; Zhou, D.; Cheng, L. (Jul 2011). "Expression of PAX8 in normal and neoplastic tissues: a comprehensive immunohistochemical study.". Appl Immunohistochem Mol Morphol 19 (4): 293-9. doi:10.1097/PAI.0b013e3182025f66. PMID 21285870.