Successful treatment of a pancreatic schwannoma by spleen-preserving distal pancreatectomy

Table 1 Summary of clinicopathological data from all 68 cases of pancreatic schwannoma

	n (%) or mean ± SD (range)
Age (yr) (n = 67)
Mean	55.67 ± 15.13 (20-87)
Sex (male/female), (male %) (n = 67)	30/37 (44.78)
Symptoms1 (n = 67)
Asymptomatic	25 (37.31)
Symptomatic
Abdominal pain	29 (43.28)
Weight loss	9 (13.43)
Back pain	4 (5.97)
Nausea/vomiting	3 (4.48)
Anorexia	2 (2.99)
Anemia	2 (2.99)
Melena	2 (2.99)
Jaundice	2 (2.99)
Dyspepsia	1 (1.49)
Abdominal discomfort	1 (1.49)
Abdominal mass	1 (1.49)
Location (n = 68)
Head	26 (38.24)
Head/body	3 (4.41)
Neck/body	1 (1.47)
Body	14 (20.59)
Body/tail	7 (10.29)
Tail	8 (11.76)
Uncinate process	8 (11.76)
Mean size (cm) (n = 63)	5.75 ± 4.52 (1-20)
Benign	59 (5.21 ± 3.89) (1-20)
Malignant	4 (13.75 ± 6.24) (7-20)
Operation (n = 68)
PD2	20 (29.41)
PPPD	2 (2.94)
DP + splenectomy3	16 (23.53)
DP + splenic preservation	2 (2.94)
Enucleation	10 (14.71)
Central pancreatectomy	1 (1.47)
Unresectable	2 (2.94)
Refused	1 (1.47)
Not specified	13 (19.12)
Histology (n = 68)
Malignant	5 (7.35)
Benign	62 (91.18)
Not specified	1 (1.47)
Nature of tumor (n = 68)
Solid	21 (30.88)
Cystic	27 (39.71)
Solid and cystic	14 (20.59)
Not specified	6 (8.82)
Mean follow-up months (n = 30)	22.23 ± 19.56 (3-67)
No. of deaths	0

¹Some patients had two or several symptoms;

²One patient underwent resection of the portal vein;

³One patient underwent resection of the transverse colon. PD: Pancreaticoduodenectomy; PPPD: Pylorus preserving pancreaticoduodenectomy; DP: Distal pancreatectomy.