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Table 1 Demographic data and NET characteristics of study subjects (values are given as mean ± standard deviation and range)

From: Impact of segmentation and discretization on radiomic features in 68Ga-DOTA-TOC PET/CT images of neuroendocrine tumor

Demographic data and tumor characteristics
Characteristic n %
Number of patients   49 100%
Sex Female 22 44.9%
Male 27 55.1%
Age, years
mean ± sd (range)
  61.7 ± 14.1 (18–83)  
Weight, kg
mean ± sd (range)
  76.2 ± 17.1 (48–115)  
Injected tracer activity, MBq
mean ± sd (range)
  145.1 ± 25.2 (100–212)  
Primary GEP-NET total 38 77.5%
Pancreatic 22 57.9%
Gastro-enteric 16 42.1%
Lung 9 18.4%
Other 2 4.1%
NET histological sub-types G1 33 67.4%
G2 6 12.2%
G3 1 2.0%
Atypical carcinoid 4 8.2%
Typical carcinoid 5 10.2%
KI67, %
mean ± sd (range)
  4.2 ± 12.9 (1–90)  
Number of lesions Primary 42 70.0%
Liver metastasis 8 13.3%
Bone metastasis 0 0%
Lymph node metastasis 9 15.0%
Other metastasis 1 1.7%