Clinical Study

Feasibility of Short-Period, High-Dose Intravenous Methylprednisolone for Preventing Stricture after Endoscopic Submucosal Dissection for Esophageal Cancer: A Preliminary Study

Table 2

Nonstricture cases administered steroid pulse therapy after esophageal ESD.

CaseSexAge (yr)LocationMucosal defect circumferenceLongitudinal resected specimen size (mm)Tumor depth

1M75Lt1/2–<3/450MM
2M60Lt≥3/4–<7/850LPM
3M63Mt≥7/81111 SM2, 2 EP
4M70Mt≥3/4–<7/853EP
5M83Lt1/2–<3/452EP

In case 3, three lesions were completely resected in one piece. ESD: endoscopic submucosal dissection; Mt: middle thoracic esophagus; Lt: lower thoracic esophagus; EP: epithelium; LPM: lamina propria mucosa; MM: muscularis mucosa; SM2: deep submucosal invasion (greater than 200 μm from MM).