Gastric leptomeningeal carcinomatosis: Multi-center retrospective analysis of 54 cases

Table 1 Patients’ characteristics (n = 54)

No. of patients	n (%)
Gender
Male/female	32 (59.3)/22 (40.7)
Age (yr)
Median (range)	48 (28-78)
≥ 60/< 60	15 (27.8)/39 (72.2)
Initial stage
I-II	2 (3.7)
III	2 (3.7)
IV	47 (87.0)
Not available	3 (5.6)
Operation
Curative	17 (31.5)
Palliative	15 (27.8)
Inoperable	18 (33.3)
Not available	4 (7.5)
Initial endoscopic finding (n = 47)
Site
Cardia	1 (1.9)
Fundus	1 (1.9)
Body	20 (37.0)
Antrum, pylorus	16 (29.7)
Diffuse whole stomach	9 (19.1)
Borrmann type (n = 45)
Early gastric cancer	2 (4.4)
I (polypoid)	1 (2.2)
II (ulcerative)	4 (8.9)
III (ucero-infiltrative)	23 (51.2)
IV (diffuse infiltrative)	15 (33.3)
Differentiation (n = 47)
Moderate	3 (6.4)
Poor	25 (53.2)
Poor with signet ring cell	19 (40.4)