False-positive PET results | | |
2 | Suspected ileum NET | MRI Sellinck, gastroscopy, colonoscopy, and follow-up (4 y) without evidence |
8 | Suspected NET of stomach | Gastroscopy and follow-up (4 y) without evidence of NET |
31 | Suspected NET of ileum | MRI Sellinck and follow-up (3 y) without evidence of NET |
33 | Suspected pancreatic NET | At surgery, pancreatitis without evidence of NET |
42 | Suspected pancreatic NET | Follow-up (2 y) without evidence of NET |
60 | Suspected duodenal NET | Duodenitis, proven on gastroscopy and histopathology |
90 | Suspected gastric NET | No evidence of NET on gastroscopy or follow-up (3 y) |
False-negative PET results | | |
17 | Negative | NET of ileum, histopathologically verified |
25 | Negative | Multiple NETs of stomach (size < 5 mm), histopathologically verified |
34 | Negative | Small duodenal NET (2.5 mm), histopathologically proven |
53 | Negative | Atypical carcinoid of lung with hepatic metastases, histopathologically proven |
61 | Negative | NET of stomach, histopathologically proven |
72 | Negative | Proven ectopic Cushing syndrome, no tumor detected so far |
84 | Negative | Small NET of ileum (3 mm), histopathologically proven |