We report a gestational choriocarcinoma arising in a tubal ectopic pregnancy. Unilateral salpingectomy and single agent methotrexate chemotherapy achieved a cure. A follow up of two years revealed no evidence of recurrence.
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SALL4 as a Useful Marker for the Distinction of Various Gestational Trophoblastic Disease Subtypes: Choriocarcinoma From Other Trophoblastic Lesions and Early Complete Hydatidiform Mole From Partial Mole and NonMolar Villi.
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The distinction between choriocarcinoma and residual trophoblastic cell proliferation from a complete hydatidiform mole/invasive mole (CHM/IM) without villi is challenging on curettage materials. We investigated whether SALL4 immunostaining could help differentiate various gestational trophoblastic diseases. Placental site nodules (PSN; n=10), atypical PSN (APSN; n=8), placental site trophoblastic tumors (PSTT; n=9), epithelioid trophoblastic tumors (ETT; n=5), gestational choriocarcinomas (n=31), partial hydatidiform moles (PHM; n=13), CHM/IM (n=47), and nonmolar products of conception (POC) (n=26) were included.
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