<unk>  is developmental in origin.
True nonparasitic<unk> , also called congenital cyst and epidermoid cyst, is defined by the presence of an inner endotheial lining.
Splenic cyst
Splenic abscess
Splenic tumor
Appendiceal mucocele
Annular pancreas
Bile duct cyst
Gallbladder volvulus
Pancreas divisum