Utility of Tissue Transglutaminase Immunohistochemistry in Pediatric Duodenal Biopsies: Patterns of Expression and Role in Celiac Disease—A Clinicopathologic Review

Table 4

Immunostaining pattern in celiac and inflammatory bowel disease.

	Surface tTG		Crypt tTG
	Positive 𝑛 (%)	Negative 𝑛 (%)	Positive 𝑛 (%)	Negative 𝑛 (%)
Celiac disease	30 (83.33)	6 (16.67)	3 (8.33)	33 (91.67)
IBD	5 (71.43)	2 (28.57)	1 (14.29)	6 (85.71)
𝑃 value	0.5970		0.5227

𝑛: number; %: percentage; IBD: inflammatory bowel disease.