Features of primary pancreatic lymphoma: A bi-institutional review with an emphasis on typical and atypical imaging features

Table 1 Clinical presentation of primary pancreatic lymphoma

Characteristics	n (%)
Abdominal pain	24 (83)
Nausea and vomiting	9 (31)
Weight loss	6 (21)
Classic “B” symptoms	4 (14)
Palpable mass	4 (14)
Obstructive jaundice	7 (24)

Table 2 Imaging features of primary pancreatic lymphoma

Characteristics	n (%)
Location
Head	23 (80)
Body	3 (10)
Tail	4 (14)
Uncinate process	16 (55)
Mean size (cm)	7.8
Infiltrative mass	15 (52)
Focal mass	14 (48)
Homogeneous hypoenhancement	21 (72)
Tumor necrosis	3 (10)
Extension to nuodenum	12 (41)
Mass effect on SMV	16 (55)
Encasement of SMA/SMV	20 (69)
Vascular stenosis/occlusion	5 (17)
Pancreatic ductal dilation	5 (17)
Common bile duct dilation	12 (41)
Pancreatic atrophy	0 (0)
Infiltration of mesenteric root	4 (14)
Peripancreatic lymphadenopathy	8 (28)

SMV: Superior mesenteric vein; SMA: Superior mesenteric artery.