Endoscopic features and prognoses of mantle cell lymphoma with gastrointestinal involvement

Table 1 Characteristics of the 35 patients

	n (%)
Male sex	32 (91.4)
Median age (range, yr)	67 (47-86)
Lugano staging system
Stage I	1
Stage II-1	1
Stage II-2	4
Stage IV	29
Involved site of gastrointestinal tract
Esophagus	2/35 (5.7)
Stomach	26/35 (74.3)
Duodenum	12/35 (34.3)
Ileum	10/21 (47.6)
Cecum	3/21 (14.3)
Colon	12/21 (57.1)
Rectum	10/21 (47.6)
Mitotic rate (Ki-67 index) (n = 19)
Low mitotic rate	9
High mitotic rate	10
MIPI score (n = 31)
Average score (range)	6.01 (5.31-6.85)
Low risk	6
Intermediate risk	15
High risk	10

MIPI: Mantle cell lymphoma international prognostic index.