Table 1.
Differential diagnoses of retroperitoneal cysts.
| Female | Male |
| Lymphangioma | Lymphangioma |
| Cystic teratoma | Cystic teratoma |
| Cystic haematoma | Cystic haematoma |
| Cystic mesothelioma | Cystic mesothelioma |
| Bronchogenic cyst | Bronchogenic cyst |
| Epidermoid cyst | Epidermoid cyst |
| Tailgut cyst | Tailgut cyst |
| Mesenteric cyst | Mesenteric cyst |
| Pseudocyst (non-pancreatic) | Pseudocyst (non-pancreatic) |
| Pseudomyxoma peritonei | Pseudomyxoma peritonei |
| Urinoma | Urinoma |
| Lymphocele | Lymphocele |
| Endosalpingiosis | |
| Mullerian cyst | |
| Vulval cyst | |
| Parovaian cyst | |
| Vaginal cyst | |
| Paraurethral cyst | |
| Mucinous cystadenoma |