On CT/US 13cm in length, 6 cm thick.
On abdominal film 16cm in craniocaudal dimension from inferior tip to diaphragm. Extra is given because cannot see superior tip.
Hyperplasia or Hypertrophy Related
- Hereditary spherocytosis
- Immune hyperplasia (infectious mononucleosis, subacute bacterial endocarditis)
- Immunologic diseases (immune thrombocytopenia, SLE, Felty's syndrome)
Passive Congestion (conditions that produce portal hypertension)
- Budd-Chiari syndrome
- Congestive heart failure