Low-grade, organ-confined disease may be suitable for active surveillance, allowing for intervention only if progression occurs. The sum of the primary pattern and the most prevalent secondary pattern yields the final Gleason score, which correlates strongly with biological behavior.
Prostate Cancer Histology Tumor Extent and Its Impact on Risk and Treatment
The integration of these factors provides a comprehensive picture of the disease burden and residual risk. Fluorescence in situ hybridization (FISH) may be used to detect relevant genetic alterations when histology is ambiguous.
Special Stains and Ancillary Testing Immunohistochemical panels, including p63 and HMWCK, help confirm the presence of invasive carcinoma by highlighting the absence of basal cells. For instance, intraductal carcinoma is associated with high-grade PIN-like lesions and often presents with more aggressive molecular features.
Prostate Cancer Histology Tumor Extent and Its Impact on Diagnosis and Treatment
Histologic Grading Beyond Gleason While the Gleason system dominates grading, pathologists also assess several other histologic parameters. The histology evaluated on these cores assesses glandular architecture and cytological atypia.
More About Prostate cancer histology
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