Sakitamiwa Classification !new! Here

The redness fades, and the area becomes white and flat, blending with the surrounding mucosa (White Scar) .

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: The dense white slough coating on the floor becomes noticeably thin. Regenerating epithelium begins migrating from the margins, covering less than 50% of the original ulcer base. Converging mucosal folds can now be clearly seen traveling directly toward the edge of the ulcer crater. The redness fades, and the area becomes white

It is commonly used to measure the healing rate of artificial ulcers produced after Endoscopic Submucosal Dissection (ESD). AI responses may include mistakes

The white coating has completely disappeared. The ulcer base is fully covered by new epithelium, but the area remains markedly red due to new capillary growth. S2 (Scar-2 or White Scar):

: The ulcer base is deeply excavated and entirely covered by a thick, white-to-yellowish coating of fibrinoid necrosis and inflammatory exudate. The surrounding mucosal margins are significantly distorted by acute edema. No signs of epithelial regeneration are present.