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Table 3 Characteristics of post-partial gastrectomy NETest-positive subjects (n = 3)

From: The NETest liquid biopsy is diagnostic for gastric neuroendocrine tumors: observations on the blood-based identification of microscopic and macroscopic residual disease

Subject # GNET Type Gastrectomy Type Surgical Pathology Grade (Ki-67) Post-surgery blood (years) NETest score Endoscopy
prior to blood drawa
Previous
Endoscopyb
FU-imagingc
4 1 Wedge gastric body resection pT1 G2 (3%) 1.9 27% 2 months:
Negatived
10 months:
Foci of NE cells
8 months:
Increased tracer uptake on 68Ga-SSA PET/CT in pancreatic head and duodenum
CT-negatived
EUS: ND
5 1 Wedge gastric body resection pT1 G2 (3%) 5.3 20% 15 months:
Negatived
3 years:
Negatived
3 months:
CT-negatived
6 1 Pylorus preserving gastrectomy ND G2 (10%) 3.9 33% 17 months:
Negatived
4 months:
5 recurrent NET lesions
0 month:
CT-negatived
  1. aGastroscopy prior to blood draw (time between endoscopy and blood draw for the NETest); bPrevious Endoscopy (time between two last endoscopies); cFollow-up (FU) imaging (time between imaging and blood draw); 0 month = blood taken just prior to imaging; Negatived = Negative for NET; ND = not done/no data; NE = neuroendocrine; Subject # = Subject number