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Metastatic choroidal choriocarcinoma: a clinicopathological study.
M R Conlon1, R T Collyer, M G Joseph
1Department of Ophthalmology, University of Western Ontario, London.
Summary
A rare case of choriocarcinoma metastasized to the eye presented with vision loss. Prompt diagnosis and chemotherapy led to remission, highlighting the importance of recognizing ocular metastasis.
Area of Science:
- Ophthalmology
- Oncology
- Pathology
Background:
- Choriocarcinoma is a rare gestational trophoblastic neoplasm.
- Ocular metastasis from choriocarcinoma is exceptionally uncommon.
Observation:
- A 33-year-old woman presented with decreased vision and ocular pain, diagnosed as a posterior pole eye mass.
- Chest radiography revealed a lung lesion; the eye was enucleated due to rapid vision loss and pain.
- Histopathology confirmed choriocarcinoma with characteristic cytotrophoblast and syncytiotrophoblast cells.
Findings:
- Neoplastic cells stained positive for cytokeratin and beta-human chorionic gonadotropin (beta-HCG).
- Markedly elevated serum beta-HCG levels (82,000 IU/L) were detected.
- The patient achieved remission with combination chemotherapy, normalizing beta-HCG levels.
Implications:
- This case underscores the potential for choriocarcinoma to present with ocular symptoms as the initial manifestation.
- Early detection and treatment of ocular metastasis are crucial for patient outcomes.
- This represents the second reported instance of metastatic choriocarcinoma presenting with ocular symptoms.