Inactivated Nevus Tissue with High Hydrostatic Pressure Treatment Used as a Dermal Substitute after a 28-Day Cryopreservation Period

Figure 4

Sections stained with EVG or AZAN. Elastic fibers (stained brown in EVG) and collagen fibers (stained pink in EVG and blue in AZAN) showed no obvious change from untreated tissues in both the fresh and the cryopreserved groups. AZAN: azocarmine and aniline blue; EVG: Elastica van Gieson.