necrosis mapping
Systematic histopathological assessment of tumor necrosis percentage following neoadjuvant chemotherapy to evaluate treatment response and prognosis.
Full Definition
Necrosis mapping is a detailed pathological analysis performed on resected tumor specimens following neoadjuvant chemotherapy to quantify the percentage of tumor necrosis achieved. This process involves systematic sectioning and microscopic examination of the entire tumor specimen to create a comprehensive map of viable versus necrotic tissue. The degree of necrosis (typically categorized as <90%, 90-99%, or ≥99%) serves as a critical prognostic indicator and guides adjuvant treatment decisions. Higher necrosis percentages generally correlate with improved survival outcomes.
Usage
Usage note: Requires specialized pathological expertise and standardized sectioning protocols.
In Context
- "Necrosis mapping revealed 95% tumor necrosis following the neoadjuvant protocol." — Pathology report
- "Systematic necrosis mapping is essential for accurate prognostic assessment." — Pathology guideline