Prostatic intraepithelial neoplasia/PIN
High grade PIN with adjacent small atypical glands (PINATYP)
Reviewers: Gladell Paner, M.D., (see Reviewers page)
Revised: 11 February 2012, last major update January 2012
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● May be difficult to determine if small glands represent budding / tangentially sectioned glands from high-grade PIN or invasive cancer next to high grade PIN; no reliable differentiating features
● Risk of cancer on repeat biopsy was 46%, higher than high grade PIN alone, indicating patients should be rebiopsied (Hum Pathol 2001;32:389)
End of Prostate > Prostatic intraepithelial neoplasia/PIN > High grade PIN with adjacent small atypical glands (PINATYP)
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