Sakitamiwa Classification Jun 2026

The classification divides the natural history of a peptic ulcer into three distinct chronological phases: . These three phases are then further broken down into two stages each, creating a six-stage system: A1, A2, H1, H2, S1, and S2.

This final stage indicates that the ulcer has closed, though the underlying tissue is still maturing. sakitamiwa classification

While primarily designed for gastric ulcers, the Sakita-Miwa classification has been adapted to assess ulcer activity in other conditions, such as . In these cases, the system helps monitor the effectiveness of treatments on deep intestinal ulcers. 4. Summary Table Description Active White coat, strong surrounding edema, distinct edge. White coat, reduced surrounding edema. Healing Thinner coating, reduced ulcer size, regeneration. Very shallow ulcer, significant regeneration. Scar Completely epithelialized, red scar. White scar, final healing stage. The classification divides the natural history of a

This stage represents the initial, acute phase of the ulcer where the mucosal defect is most prominent. While primarily designed for gastric ulcers, the Sakita-Miwa

Over weeks or months, the redness fades into a white or pale scar as the tissue matures. This marks the final stage of healing. Clinical Utility and Scoring

The defect is significantly smaller than in H1, and the regenerating epithelium covers most of the ulcer floor. The white coating is reduced to only about a quarter or one-third of its original area. 3. Scarring Stage (S)