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. 2022 Winter;10(1):1–13. doi: 10.22038/AOJNMB.2021.56254.1390

Table 3.

Detection rate of 226 organ lesions by organ with NEN lesions and histopathological classification of NEN in 125 SRS examinations

Organ with NEN lesions "Number of organs affected Abdomen Chest
NET-G1 NET-G2 NET-G3 NEC MiNEN NC Typical CT Atypical CT
Liver 76 93%(28/30) 77%(23/30) 50%(1/2) 36%(4/11) 100%(1/1) 50%(1/2)
Pancreas 51 81%(21/26) 54%(7/13) 33%(1/3) 33%(2/6) 0%(0/1) 0%(0/2)
Lymph node 35 100%(11/11)* 69%(11/16) 50%(2/4) 100%(1/1) 0%(0/2) 100%(2/2)
Bone 24 100%(6/6)* 100%(12/12)* 0%(0/1) 20%(1/5) 50%(1/2)
Duodenum 11 90%(9/10)* 0%(0/1)
Lung 8 100%(1/1) 0%(0/2) 0%(0/1) 25%(1/4)
Rectum 6 0%(0/1) 33%(1/3) 0%(0/2)
Peritoneum 3 100%(1/1) 50%(1/2)
Brain 2 0%(0/1) 0%(0/1)
Thymus 2 100%(2/2)
Stomach 1 100%(1/1)
Gall bladder 1 0%(0/1)
Spleen 1 100%(1/1)
Kidney 1 0%(0/1)
Adrenal gland 1
Urinary bladder 1 0%(0/1)
Thyroid 1 100%(1/1)*
Myocardium 1 100%(1/1)* 50%(1/2)

NEN: neuroendocrine neoplasm

SRS: somatostatin receptor scintigraphy

NET-G: neuroendocrine tumor-grade

NEC: neuroendocrine carcinoma

MiNEN: mixed neuroendocrine-non-neuroendocrine neoplasm

NC: non-classified

CT: carcinoid tumor

*Included 15 organ lesions detected by SRS, not CT; NET-G1 bone lesions (n = 3), NET-G2 bone lesions (n = 8), NET-G1 lymph node lesions (n = 1), NET-G1 duodenal lesion (n = 1), NET-G2 thyroid lesion (n = 1), and NET-G1 myocardial lesion (n = 1)