A middle aged man underwent chest CT and an incidental abnormality had been found in the spleen.
There is a large cyst within the spleen which shows a single thick septation.
Splenic cysts can be true cysts or pseudocysts. In this case, investigation for hydatid disease and cysticercosis was negative, there was no past history of trauma (to suggest a post traumatic pseudocyst). The cause was uncertain.
There is a cystic structure with a single thick septation.