Clear cell neuroendocrine tumor in the gallbladder diagnosed as a benign polyp preoperatively: a case report

Table 1 Reported cases of clear cell NET G1 in the gallbladder

No.	Age	Sex	Location	Form	Preoperative diagnosis	Size (mm)	Operation	Invasion depth	Metastasis
1 [3]	38	M	Neck of gallbladder	Pedunculated	Metastasis of renal cancer	14	Lap cholecystectomy	Full thickness	None
2 [6]	64	M	Neck of gallbladder	Pedunculated	Cholesterol polyp	8	Lap cholecystectomy	Subserosal layer	None
3 [7]	71	M	Fundus of gallbladder	Pedunculated	Polyp	9	Lap cholecystectomy	Lamina propria	None
4 [8]	65	M	Neck of gallbladder	Non-pedunculated	RAS	8	Lap cholecystectomy + radical second resection + lymphadenectomy	Muscular layer	Lymph node
5^a	70	M	Neck of gallbladder	Pedunculated	Polyp	15	Lap cholecystectomy	Lamina propria	None

ISSN: 1477-7819