Ovarian Teratoma Masquerading as a CSF Pseudocyst in a Female with a Ventriculoperitoneal Shunt

Table 1

Differential diagnosis of cystic abdominal masses in children (from Wooton-Gorges et al. [3]).

Liver	Mesenchymal hamartoma, Biloma, Parasitic cyst
Biliary system	Coledochal cyst, Hydrops of gallbladder
Spleen	Congenital cyst
Pancreas	Congenital cyst, Pseudocyst, Cystadenoma
Kidney/adrenal	Hydronephrosis, Multicystic dysplastic kidney, Multilocular cystic nephroma, Adrenal hemorrhage
Gastrointestinal	Mesenteric cyst/lymphangioma, Enteric/duplication cyst, Meconium pseudocyst
Genitourinary/ovary	Functional cyst, Teratoma/dermoid, Cystadenoma, Hematocolpos, Urachal cyst
Miscellaneous	Abscess, Teratoma, Necrotic or cystic changes in tumors CSF pseudocyst, Sacrococcygeal teratoma