Presentation
Abdominal pain and palpable mass on physical exam.
Patient Data











Innumerable mesenteric, retrocrural, retroperitoneal and pelvic lymphadenopathies surrounded but do not occlude the mesenteric vessels and displace bowel loops but do not occlude them. Features are compatible with sandwich sign also known as a hamburger sign.
The prostate gland is enlarged and its central portion protrudes cephalad into urinary bladder base.
Degenerative changes as osteophytosis are seen at the lumbar spine.
Case Discussion
Sandwich sign refers to confluent lymphadenopathy on both sides of the mesenteric vessels which is specific for mesenteric lymphoma (typically non-Hodgkin).