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[Choriocarcinomatous neoplastic pulmonary embolism. A case]
Summary
A rare case of recurrent pulmonary embolism caused by choriocarcinoma cells, a complication of a prior hydatidiform mole, highlights diagnostic challenges. Even with a history of mole, diagnosing these tumorous emboli is difficult, especially during pregnancy.
Area of Science:
- Obstetrics and Gynecology
- Pulmonary Medicine
- Oncology
Background:
- Hydatidiform mole is a gestational trophoblastic disease that can rarely lead to persistent or metastatic disease.
- Pulmonary embolism is a serious condition, and diagnosing its cause can be challenging, particularly when the source is unclear.
Observation:
- A 36-year-old woman with a history of hydatidiform mole 10 years prior presented with recurrent pulmonary embolism.
- Embolectomy revealed massive obstruction of pulmonary arteries by choriocarcinomatous cells.
- The diagnosis was complicated by a concurrent pregnancy, which masked elevated human chorionic gonadotropin (HCG) levels.
Findings:
- Recurrent pulmonary embolism due to choriocarcinoma was diagnosed after a further embolic event following a spontaneous abortion.
- The patient experienced multiple febrile lung infections resistant to antibiotics, leading to reduced right lung volume and vascularization.
- Despite postoperative chemotherapy, the patient did not survive.
Implications:
- This case underscores the diagnostic difficulties in identifying recurrent pulmonary embolism, especially when the underlying cause is not immediately apparent.
- Detecting the neoplastic nature of pulmonary emboli is crucial for appropriate management.
- Early recognition and prompt treatment of gestational trophoblastic disease complications are vital for patient outcomes.