Dysgerminoma Masquerading as Gestational Trophoblastic Neoplasia

Table 1

Differential diagnosis of elevated beta-human chorionic gonadotropin (β-hCG).

Obstetric	New intrauterine pregnancy
	Missed abortion
	Ectopic pregnancy
	Molar pregnancy
Oncologic	Gestational trophoblastic neoplasia (placental site trophoblastic tumor, epithelioid trophoblastic tumor, choriocarcinoma, and invasive moles)
	Embryonal carcinoma
	Dysgerminoma
	Non-gynecologic cancers (kidney, bladder, lung, breast, and gastrointestinal)
Others	Heterophilic antibodies
	Peri-menopausal pituitary production
	Quiescent β-hCG
	Exogenous β-hCG