Role of endoscopic ultrasound in the characterization of solid pseudopapillary neoplasm of the pancreas

Table 1 Sociodemographic characteristics, n (%)

	n = 106 (%)
Age
mean ± SD	26.4 ± 13
Sex
Female	95 (89.6)
Male	11 (10.4)
Country
Egypt	48 (45.3)
India	39 (36.8)
Poland	5 (4.7)
France	4 (3.8)
United Kingdom	5 (4.7)
Romania	3 (2.8)
Pakistan	2 (1.9)

Table 2 Clinical manifestation

	n (%)
Symptoms
Yes	87 (82.1)
No	19 (17.9)
Presentation
Asymptomatic	19 (17.9)
Abdominal pain	80 (75.5)
Weight loss	1 (0.9)
Obstructive jaundice	4 (3.8)
Vomiting	2 (1.9)

Table 3 Endoscopic ultrasound characteristic of solid pseudopapillary tumors

	n (%)
Location
Head	44 (41.5)
Body	43 (40.6)
Tail	19 (17.9)
Consistency
Solid	60 (56.1)
Mixed	43 (40.2)
Cystic	3 (2.8)
Additional findings
Calcification	4 (3.8)
CBD dilation
Yes	5 (4.7)
No	101 (95.3)
PD dilation
Yes	2 (1.9)
No	104 (98.1)
Size
mean ± SD	52.8 ± 23.1
Median (range)	50 (15-130)

CBD: Common bile duct; PD: Pancreatic duct; SD: Standard deviation.

Table 4 Correlation between size of the tumor, consistency and location

	Size	P value
Consistency/appearance		0.365
Cystic, median (range)	52.5 (36-130)
Solid, median (range)	45 (15-120)
Mixed, median (range)	54 (17-95)
Location		0.4
Head, median (range)	51.5 (15-130)
Body, median (range)	45 (19-100)
Tail, median (range)	60 (17-125)

SD: Standard deviation, P value < 0.05 is considered significant.

Table 5 Endoscopic ultrasound needle characteristic

	n(%)
Needle type
FNA	67 (63.2)
FNB	37 (34.9)
Tru cut	2 (1.9)
Needle size
19 G	9 (8.5)
22 G	88 (83)
18 G	1 (0.9)
20 G	2 (1.9)
25 G	6 (5.7)
No of passes
Median (range)	3 (1-3)
FNA	n = 67 (%)
Needle size
19 G	9 (13.4)
22 G	54 (80.6)
25 G	4 (6)
No of passes
Median (range)	2 (1-3)
FNB	n = 37 (%)
Needle size
22 G	33 (89.2)
20 G	1 (2.7)
25 G	3 (8.1)
No of passes
Median (range)	3 (1-3)
Trucut	n = 2 (%)
Needle size
22 G	1 (50)
18 G	1 (50)
No of passes	2

FNA: Fine needle aspiration; FNB: Fine needle biopsy.

Table 6 Cytopathology

	n (%)
Cytopathology
Non-diagnostic	3 (2.8)
SPN (conclusive)	103 (97.2)
Surgery
Yes	97 (91.5)
No	9 (8.5)
Surgery
Central pancreatectomy	29 (27.4)
Distal pancreatosplenectomy	21 (19.8)
Whipple's panceatoduodenectomy	47 (44.3)
Refused	9 (8.5)

SPN: Solid pseudopapillary neoplasm.