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)