Table 3 Summary of patients with ectopic insulinoma reported in the literature and in this study (2 patients)
| Â | Year | Authors | Sex/age | Grade | Tumor location | Metastasis | Preoperative localization | Size | Procedure |
|---|---|---|---|---|---|---|---|---|---|
|  | 2004 | Tolentino et al. [4] | M/23 | N/M | duodenum | N/A | CT and EGDS (esophagogastroduodenoscopy) | 2.5 cm | locally excised |
2 | 2005 | Hennings et al. [5] | F/74 | N/M | adjacent to the duodenum (Treitz ligament) | N/A | somatostatin receptor scintigraphy including a single photon emission computed tomography (SPECT) study | 3 cm | enucleation |
3 | 2009 | Cardenas et al. [6] | M/46 | N/M | intrasplenic heterotopic pancreas | LN metastasis | MRI | 7.6 × 4.4 cm | splenectomy |
4 | 2011 | Xian-Ling et al. [7] | M/21 | N/M | duodenohepatic ligament | N/A | CT and DSA (digital subtraction angiography) | 1 cm | wedge resection of the tumor |
5 | 2013 | La Rosa et al. [8] | F/75 | G1 | duodenum | N/A | CT and EGDS | 1.5 cm | enucleation |
6 | 2015 | Liu et al. [9] | F/79 | N/M | retroperitoneum under the hepatoduodenal ligament | N/A | CT | 2.5 cm | enucleation |
7 | 2018 | Li et al. [10] | F/53 | G1 | pelvis | five lesions in the pelvis | 68Ga-DOTA-NOC-PET/CT | N/M | removal of the five lesions |
8 | 2018 | Liu et al. [11] | F/31 | G1 | proximal jejunum | multiple liver metastasis | CT and 68Ga-Exendin-4 PET/CT | 3.5 cm | everolimus plus long- acting SSA octreotide |
9 | 2019 | Case 1 | F/51 | G1 | adjacent to the duodenum | N/A | CT, somatostatin receptor scintigraphy and 99mTc-HYNIC-TOC SPECT/CT | 2.5 cm | locally excised |
10 | 2019 | Case 2 | F/37 | G2 | gastrosplenic ligament | N/A | CT, MRI, 68Ga -Exendin-4-PET/CT | 1.2 cm | locally excised |