Classification ((top)) | Sakitamiwa

The white coating has completely disappeared, leaving only a red scar (red scar stage).

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At its core, the system divides the ulcer healing process into three major sequential phases, which are then each subdivided into two distinct stages. This results in a total of six stages, which trace the ulcer from its most severe, active state (A) through the healing phase (H) and finally to the complete formation of scar tissue (S). sakitamiwa classification

While the Sakita-Miwa system is the most widely used for peptic ulcer disease, other classification systems exist. It is important to distinguish it from these other tools:

Mature healing; the red scar fades to a stable, pale white scar 💡 Clinical Significance and Application The white coating has completely disappeared, leaving only

: The ulcer is sharply demarcated with a deep crater. The floor is covered heavily with a thick, white or yellowish-gray exudate (slough). The surrounding mucosal margin is swollen and edematous.

The white slough is completely gone. The area is covered by new, red-colored regenerating epithelium. This is often referred to as a "red scar". S2 (Scar-2 / White Scar): AI responses may include mistakes

Ulcer shrinks; reddish regenerating epithelium appears at the borders

: The healing accelerates. The central white patch shrinks significantly, turning into a tiny island surrounded by a dominant, concentric ring of fresh red tissue. 3. The Scarring Stage (Stage S)