Amenorrhea and elevated βhuman chorionic gonadotropin of unknown origin: An unexpected location of choriocarcinoma

Choriocarcinoma is a rare malignancy originating from trophoblastic cells that is known to arise from the placenta. In this report, we describe the case of a 28-year-old female who consulted for amenorrhea and elevated βhCG mimicking a pregnancy of an unknown location, which ultimately turned out to be primary choriocarcinoma of the lung.