Written Question·Department of Health and Social Care·UIN 90176
Brain Cancer: Human Tissue
Tabled: 12 November 2025
Answered: 5 February 2026
Question
Chris Evans
Labour (Co-op) — Caerphilly
To ask the Secretary of State for Health and Social Care, what assessment he has made of the adequacy of (a) fresh-freezing, (b) snap-freezing and (c) flash frozen capacity for brain cancer tissue samples across NHS trusts in England.
Answer
Ashley DaltonFresh-freezing, also referred to as snap-freezing, is a standard technique used by pathology networks to preserve tissue architecture without chemical fixatives, allowing for subsequent molecular or histological analysis, typically supporting research or ...
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