P63

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Nuclear staining is characteristic of p63.

p63 is a commonly used immunostain. p63, like most other "p" stains, is a nuclear stain.

Pattern

  • Nuclear staining.

Note:

Classic use

Subtype marker:

Thresholding (invasive vs. pre-invasive):

  • Prostate basal cell marker.
  • Breast myoepithelial cell marker.

Non-classic tumours

References

  1. Martin, SE.; Temm, CJ.; Goheen, MP.; Ulbright, TM.; Hattab, EM. (Oct 2011). "Cytoplasmic p63 immunohistochemistry is a useful marker for muscle differentiation: an immunohistochemical and immunoelectron microscopic study.". Mod Pathol 24 (10): 1320-6. doi:10.1038/modpathol.2011.89. PMID 21623385.
  2. Lewis, JS.; Ritter, JH.; El-Mofty, S. (Nov 2005). "Alternative epithelial markers in sarcomatoid carcinomas of the head and neck, lung, and bladder-p63, MOC-31, and TTF-1.". Mod Pathol 18 (11): 1471-81. doi:10.1038/modpathol.3800451. PMID 15976812.
  3. Di Como, CJ.; Urist, MJ.; Babayan, I.; Drobnjak, M.; Hedvat, CV.; Teruya-Feldstein, J.; Pohar, K.; Hoos, A. et al. (Feb 2002). "p63 expression profiles in human normal and tumor tissues.". Clin Cancer Res 8 (2): 494-501. PMID 11839669.
  4. Jo, VY.; Fletcher, CD. (Nov 2011). "p63 immunohistochemical staining is limited in soft tissue tumors.". Am J Clin Pathol 136 (5): 762-6. doi:10.1309/AJCPXNUC7JZSKWEU. PMID 22031315.

See also