Retroperitoneum Flashcards
1
Q
Primary ddx for solid retroperitoneal mass (5)
A
1) Lymphoma
2) Mets
3) Sarcoma - liposarcoma, leiomyosarcoma
4) Neurogenic - including paraganglioma
5) Germ cell** (extra-gonadal, often calcified with fat)
6) Extra-medullary hematopoiesis
2
Q
Non-neoplastic processes of the retroperitoneum (3)
A
1) Retroperitoneal fibrosis/IgG4
2) Extra-medullary hematopoiesis
3) Erdheim-Chester (rare)
3
Q
Most common primary malignancy of the IVC
A
Leiomyosarcoma
can also see liposarcoma
