May Cause

Abnormal position of stomach

Asymmetric lung size

Extrinsic indentation on duodenum

Extrinsic mass compressing stomach

Increased retrogastric or retroduodenal space

Inferior vena cava obstruction

Malposition of kidney

Mass displacing kidney

Upper abdominal mass in a neonate or child

May Be Caused by

 Common

Brucellosis

Congenital hepatomegaly

Congestive liver disease

Cyst

Early cirrhosis

Elevated venous pressure

Fatty liver

Hemochromatosis

Hepatitis

Histoplasmosis

Infectious mononucleosis

Liver abscess

Liver neoplasm

Mononucleosis

Obstruction of common bile duct

 Uncommon

Amyloidosis

Budd-Chiari syndrome

Extramedullary hematopoiesis

Galactosemia

Gaucher disease

Glycogen storage disease type 1

Hematoma

Hydatid disease

Langerhans cell histiocytosis

Leishmaniasis

Lymphoma

Malaria

Mucopolysaccharidosis type 7

Muscular hypertrophy - hepatomegaly - polyhydramnios

Myelofibrosis

Niemann-Pick disease

Omenn syndrome

Polycystic liver disease

Polycythemia vera

Primary anemia

Reye syndrome

Sarcoidosis

Schistosomiasis

Thrombosis of hepatic vein or upper inferior cava

Tuberculosis

Weber-Christian syndrome

Wilson disease