Nationwide questionnaire survey on pediatric pancreatic tumors in Japan

Table 2 Symptoms per disease (trigger of detection) with overlapping symptoms, n (%)

	SPN	Pancreatoblastoma	Pancreatic endocrine tumor	Non-epithelial tumor	Pancreatic cancer	Metastatic pancreatic tumor
Number	164	16	14	9	7	3
Fever	5 (3.0)	0 (0)	1 (7.1)	1 (11.1)	0 (0)	1 (33.3)
Nausea/vomiting	60 (36.6)	2 (12.5)	0 (0)	4 (44.4)	2 (28.6)	0 (0)
Abdominal pain	108 (65.9)	7 (43.8)	2 (14.3)	6 (66.6)	2 (28.6)	0 (0)
Abdominal mass	11 (6.7)	8 (50.0)	0 (0)	2 (22.2)	4 (57.1)	1 (33.3)
Trauma	31 (18.9)	0 (0)	0 (0)	1 (11.1)	0 (0)	0 (0)
Jaundice	1 (0.6)	2 (12.5)	0 (0)	1 (11.1)	0 (0)	0 (0)
Image abnormality	37 (22.6)	0 (0)	3 (21.4)	0 (0)	1 (14.3)	1 (33.3)
Abnormal blood examination	1 (0.6)	1 (6.3)	8 (57.1)	0 (0)	0 (0)	1 (33.3)
Others	8 (4.9)	5 (31.3)	1 (7.1)	2 (22.2)	0 (0)	0 (0)

The occasion of diagnosis is shown for each tumor. There are duplicate responses. SPN: Solid pseudopapillary neoplasm.