Gamuts
Increased retrogastric or retroduodenal space
May Be Caused by
Common
Abscess
Adenoma of adrenal gland
Adrenal mass
Ascites
Carcinoma of adrenal gland
Cyst
Hematoma
Hepatomegaly
Hydronephrosis
Lymphadenopathy
Lymphoma
Metastasis
Neuroblastoma
Normal variant
Obesity
Pancreatic abscess
Pancreatic cancer
Pancreatic cystadenoma
Pancreatic mass
Pancreatic pseudocyst
Pancreatitis
Perinephric abscess
Perinephric hematoma
Pheochromocytoma
Renal cell carcinoma
Renal cyst
Renal mass
Retroperitoneal mass
Sarcoma
Tuberculosis
Wilms tumor
Uncommon
Choledochal cyst
Gastrointestinal stromal tumor of posterior wall of stomach
Herniation of omentum
Leiomyoma
Leiomyosarcoma
Morgagni hernia
Postoperative state
Retroperitoneal cellulitis
Retroperitoneal edema
Retroperitoneal fibrosis
Urinary leakage