後腹膜嚢胞性病変
Common
cystic lymphangioma
cystic teratoma
Uncommon
cystic neurinoma
Rare
duplication cyst
cystic mesothelioma
cystic hamartoma
cystic leiomyoma/sarcoma
echinococcal cyst
cystadenoma/ca.
synovial sarcoma

または膵腫瘍