Brain metastasis secondary to primary vaginal clear cell adenocarcinoma not associated with diethylstilbestrol: a case report and a review of the literature - Report - MDSpire
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Brain Metastasis from Primary Vaginal Clear Cell Adenocarcinoma Unrelated to Diethylstilbestrol: A Case Study and Literature Review

  • By

  • Esther Anyimadu Buckson

  • Obi Emereole

  • John Richard Ouma

  • September 3, 2026

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Clinical Report: Brain Metastasis from Primary Vaginal Clear Cell Adenocarcinoma

Background

Primary clear cell adenocarcinoma of the vagina (PCCAV) is a rare malignancy, constituting 5%-10% of vaginal cancers. While most cases are linked to in utero exposure to diethylstilbestrol (DES), non-DES-related cases are even rarer. Metastasis to the brain from PCCAV is exceedingly uncommon.

Data Highlights

No numerical data or trial data is presented in the source material.

Key Findings

  • A 17-year-old female presented with left-sided weakness and seizures, later diagnosed with PCCAV.
  • Histological analysis confirmed clear cell vaginal adenocarcinoma with cerebral metastasis.
  • CT imaging revealed a right parietal mass with significant midline shift and pulmonary metastases.
  • This case represents a rare instance of brain metastasis from non-DES-related PCCAV.

Clinical Implications

Healthcare professionals should consider the possibility of cerebral metastasis in patients with PCCAV, even in the absence of DES exposure. This case underscores the importance of thorough diagnostic evaluations and potential neurosurgical interventions in managing such rare presentations.

Conclusion

This case contributes to the limited literature on PCCAV.

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