-
Adrenal masses: tumor �
adenoma, mets (esp small cell), pheochromocytoma, lymphoma, neuroblastoma, carcinoma, hemangioma;
-
Adrenal masses: fatty �
adenoma, myelolipoma, lipoma;
-
Adrenal masses: cystic �
simple cyst, pseudocyst from hemorrhage;
-
Adrenal masses: other �
hemorrhage, TB, Wolman�s disease;
-
Adrenal masses: bilateral �
hemorrhage, mets, lymphoma, bilateral pheochromocytoma (MEN2, VHL, NF), TB, histo, adenomas, hyperplasia
-
Adrenal calcifications: tumor �
neuroblastoma, pheochromocytoma, carcinoma, myelolipoma, hemangioma;
-
Adrenal calcifications infection �
TB, histo, meningococcemia;
-
Adrenal calcifications trauma �
hemorrhage;
-
Adrenal calcifications congenital �
Wolman�s, Addison�s; cyst
-
Adrenal pseudotumors:
gastric fundus, varices, tortuous splenic artery, pancreatic tail, medial splenic lobulation
-
Large retroperitoneal mass:
hematoma, abscess, adenopathy from lymphoma or mets, liposarcoma, leiomyosarcoma, MFH, neurogenic tumor, germ cell tumor
-
Retroperitoneal hematoma:
anticoagulation, trauma, iatrogenic, ruptured AAA, RCC, AML
-
Retroperitoneal air:
trauma (perforation), ERCP, emphysematous pyelonephritis
-
Retroperitoneal abscess:
pancreatitis, renal inflammatory disease, osteomyelitis
-
Retroperitoneal fibrosis:
idiopathic, methysergide, radiation, surgery, lymphoma, mets, retroperitoneal fluid, inflammation from other organs
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