Parasitic cyst |
Random |
Solitary |
Well-defined |
None |
None |
Normal |
Hydatid disease (lung, liver) |
Multiple |
Congenital cyst |
Random |
Solitary |
Well-defined |
Possible |
Trabeculae |
Normal |
– |
Neoplastic cyst |
Random |
Solitary |
Well-/ill-defined |
None |
Yes |
Normal |
Primary tumour |
Multiple |
False cyst |
Subcapsular |
Solitary |
Well-defined |
None |
None |
Normal |
Past splenic trauma |
Traumatic injury |
Random |
Solitary |
Ill-defined |
Possible |
None |
Normal |
Trauma |
Multiple |
Pyogenic abscess |
Random |
Solitary |
Ill-defined |
Possible |
Rim enhancement |
Normal |
Infectious condition (localised/systemic) |
Multiple |
Sickle cell disease |
Random |
Multiple |
Ill-defined |
None |
None |
Normal (early stage) |
Sickle cell disease |
Small (late stage) |
Infarction |
Oriented towards capsule |
Solitary |
Well-/ill-defined |
None |
Prolonged |
Normal |
Left upper quadrant pain |
Multiple |
Thromboembolic disease |
Hamartoma |
Random |
Solitary |
Well-defined |
None |
Prolonged |
Normal |
Mostly incidental finding; tuberous sclerosis, Wiskott-Aldrich-like syndrome |
Haemangioma |
Random |
Solitary |
Well-/ill-defined |
None |
Centripetal |
Normal |
Mostly incidental finding; Beckwith-Wiedemann, Klippel-Trenauney-Weber, Turner syndrome |
Multiple |
Lymphangioma |
Subcapsular |
Solitary |
Well-defined |
Possible |
Trabeculae |
Normal |
Incidental finding in child, young adult |
Multiple |
Sarcoidosis |
Random |
Multiple |
Ill-defined |
Possible |
Yes |
Enlarged |
Sarcoidosis |
Peliosis |
Random |
Multiple |
Ill-defined |
Yes |
Similar to haemangioma |
Enlarged |
Peliosis hepatis |
Littoral cell angioma |
Random |
Multiple |
Ill-defined |
None |
Prolonged |
Normal |
Colorectal carcinoma, renal cell carcinoma, hepatocellular carcinoma, lung cancer, lymphoma, pancreatic carcinoma |
Lymphoma |
Random |
Solitary |
Ill-defined |
Yes |
Mild |
Enlarged |
Associated lymphadenopathy; mostly patients with clinically known lymphoma |
Multiple |
Metastases |
Random |
Solitary |
Ill-defined |
Possible |
Yes |
Normal |
Breast, lung, ovarian, colorectal and gastric carcinomas; skin melanoma |
Multiple |
Enlarged |
Angiosarcoma |
Random |
Solitary |
Ill-defined |
Possible |
Yes |
Normal |
Mostly discovered due to early onset of distant metastases |
Multiple |