Brief Article
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Jan 14, 2011; 17(2): 219-225
Published online Jan 14, 2011. doi: 10.3748/wjg.v17.i2.219
Table 1 Patient and tumor characteristics n (%)
Patients (n = 41)
Age (yr)
mean ± SD47 ± 14
Range20-77
Sex
Male17 (41.5)
Female24 (58.5)
Tumor type
Carcinoid12 (29.3)
Functional PNET19 (46.3)
Non-functional PNET10 (24.4)
Tumor grade
Well-differentiated NET13 (31.7)
Well-differentiated NEC26 (63.4)
Poorly differentiated NEC1 (2.4)
Unknown1 (2.4)
Metastases
Present26 (63.4)
Lymph node only9 (34.6)
Liver only7 (26.9)
Both10 (38.5)
Absent15 (36.6)
Tumors (n = 60)
Primary or metastatic tissues
Primary45 (75.0)
Metastasis15 (25.0)
Angio-invasion
Present11 (18.3)
Absent49 (81.7)
Tumor size (mean ± SD, cm)
Carcinoids3.4 ± 2.7
Functional PNETs1.9 ± 1.7
Non-functional PNETs3.6 ± 2.4