Pseudocysts , on the other hand , have a fluid filled cavity .
Pseudocysts , on the other hand , are not lined by epithelium , therefore they have a less severe and more blurred border between the fluid and bony surroundings .
Pseudocysts , on the other hand , have a fluid filled cavity but are not lined by epithelium , therefore they have a less severe and more blurred border between the fluid and bony surroundings .