What is the differential diagnosis for nonparenchymal cystic lesions in the abdomen and pelvis?
Nonparenchymal cystic lesions may infrequently be encountered in the omentum, mesentery, mesocolon, or retroperitoneum and are most often incidentally detected.
Nonparenchymal Cystic Lesions of the Abdomen and Pelvis
|Lymphatic originSimple lymphatic cyst|
Simple mesothelial cyst
Benign cystic mesothelioma
Enteric originEnteric duplication cyst
Foregut originBronchogenic cyst
Extralobar pulmonary sequestration
Hindgut originTailgut cyst
Other developmental lesions
Epidermoid cystDermoid cystMature cystic teratoma
Pseudocysts and other loculated fluid collections
Cystic or necrotic lymphadenopathy
Cystic or necrotic neoplasms
Retained surgical sponge