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Choroidal cells in ovarian cyst fluid: a case report
1Department of Cytology, Royal Women's Hospital and Royal Melbourne Hospital, Australia.
Acta Cytologica
|March 1, 1996
Summary
Ovarian ependymal cysts are rare and can mimic choroid plexus cells on fine needle aspiration. This case highlights the importance of considering cerebrospinal fluid cytopathology in diagnosing unusual ovarian lesions.
Area of Science:
- Gynecologic pathology
- Cytopathology
- Surgical pathology
Background:
- The ovary harbors a wide histologic tumor diversity, with rare tumors posing diagnostic challenges in cytology.
- Unusual ovarian neoplasms require careful cytopathologic evaluation.
Observation:
- A 36-year-old woman presented with a large ovarian cyst.
- Fine needle aspiration revealed benign cells resembling choroid plexus cells.
- Surgical resection identified an ependymal cyst adjacent to a mature cystic teratoma.
Findings:
- Cytologic examination of ovarian cyst fluid demonstrated cells with features similar to choroid plexus epithelium.
- Histologic correlation confirmed the presence of an ovarian ependymal cyst.
Implications:
- This case expands the differential diagnosis for ovarian cystic lesions.
- Cytologists should be aware of ovarian ependymal cysts, a rare entity mimicking cerebrospinal fluid cytology findings.
- Recognition of this rare entity is crucial for accurate diagnosis and patient management.