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Updated: Jun 23, 2026

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Published on: February 27, 2026
Primary pulmonary choriocarcinoma presenting with a hemothorax
Hyun-Joo Seol1, Ju-Han Lee, Ki Yeol Lee
1Department of Obstetrics and Gynecology, College of Medicine, Kyunghee University, Seoul, Korea.
Abstract:
Primary pulmonary choriocarcinoma is an extremely rare condition that is difficult to diagnose. In this report, we describe a case of primary pulmonary choriocarcinoma that presented with a hemothorax, initially diagnosed as an ectopic pregnancy. The patient was treated successfully with surgery followed by combination chemotherapy. In rare instances such as this, choriocarcinoma can originate in sites outside the genital tract; a thorough and thoughtful evaluation will ensure an accurate diagnosis and prompt treatment.
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