Special diaphragm-like strictures of small bowel unrelated to non-steroidal anti-inflammatory drugs

Table 4 Data of histologic findings

Case	Size1 (cm)	Type	Depth1	Inflammatoryinfiltrate	Fibrosis	Mucosalatrophy	Thickening ofmuscularis mucosa	Edema insubmucosa
1	2.0 × 0.5	Ulcer	Muscular layer	Moderate	Mild	N	Mild	N
22	2.0 × 0.2	Ulcer	Muscular layer	Severe	Mild	N	Moderate	N
3	3.0 × 0.2	Ulcer	Submucosa	Severe	Moderate	N	N	P
4	3.0 × 0.5	Ulcer	Submucosa	Severe	Moderate	N	Moderate	P
5	2.0 × 0.5	Erosion	Mucosa	Moderate	None	N	N	N

¹Means the size and depth of ulcer or erosion of specimen;

²Information of the most narrow lesion. P: Positive; N: Negative.