Lymphomatous involvement of gastrointestinal tract: Evaluation by positron emission tomography with 18F-fluorodeoxyglucose

Table 1 Sites of gastrointestinal involvement of NHL in 33 patients

Sites of GI involvement	Number of patients (%)
Stomach	21 (64)
Colon and rectum	12 (36)
Terminal ileum and cecum	9 (27)
Duodenum	8 (24)
Small bowel	6 (18)
Esophagus	2 (6)

Table 2 SUV_max in high- and low-grade NHL before and after treatment (mean±SD)

NHL	SUVmax	SUVmax
grade	before treatment	after treatment
		Biopsy positive	Biopsy negative
High grade	11.22±5.79	9.42±6.27	2.21±0.78ac
	(n = 15)	(n = 14)	(n = 3)
Low grade	8.57±2.47	3.76±2.08	3.03±0.89
	(n = 2)	(n = 5)	(n = 2)

n, number of patients.

^aP<0.05 vs SUV_max in high grade NHL before treatment;

^cP<0.05 vs SUV_max with biopsy positive after treatment.