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

Table 5

Comparison between nonstricture and stricture cases.

	Nonstricture (7 lesions in 5 patients)	Stricture (6 lesions in 6 patients)	value
Sex
Male	5	6
Female	0	0
Age, mean (±SD), y	70.2 (±9.3)	70.2 (±7.5)	0.99
Tumor location			0.45
Ut	0	0
Mt	4	4
Lt	3	2
Macroscopic type			0.15
IIc	5	6
IIb	2	0
Depth of tumor invasion			0.36
EP/LPM	5	5
MM/SM1	1	1
SM2	1	0
Mucosal defect circumference			0.24
1/2–<3/4	2	0
≥3/4–<7/8	2	1
≥7/8	1	5
Longitudinal resected specimen size, mean (±SD), mm	64.2 (±26.2)	54.2 (±12.8)	0.43

Ut: upper thoracic esophagus; Mt: middle thoracic esophagus; Lt: lower thoracic esophagus; EP: epithelium; LPM: lamina propria mucosa; MM: muscularis mucosa; SM 1: slight submucosal invasion (less than 200 μm from MM); SM 2: deep submucosal invasion (greater than 200 μm from MM).