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Primitive neuroectodermal tumor of the uterus. A case report
B S Ward1, C L Hitchcock, S Keyhani
1Department of Pathology, Ohio State University Medical Center, Columbus 43210, USA.
Acta Cytologica
|August 10, 2000
Summary
A rare primitive neuroectodermal tumor (PNET) was diagnosed in a 17-year-old female presenting with vaginal bleeding. Early detection via Pap smear analysis is crucial for timely intervention.
Area of Science:
- Gynecologic Oncology
- Cytopathology
Background:
- Primitive neuroectodermal tumors (PNETs) are rare neoplasms originating from fetal neuroectodermal cells.
- PNETs can occur in central nervous system and peripheral locations, often diagnosed at advanced stages.
Observation:
- A 17-year-old female presented with persistent vaginal bleeding and a hard, barrel-shaped cervix.
- Cervicovaginal smear revealed hypercellularity with small to medium-sized, round, malignant cells.
Findings:
- Histologic sections of the surgical specimen confirmed a diagnosis of PNET.
- Cytologic evaluation of Pap smears showing small round cells requires careful assessment for differential diagnosis.
Implications:
- Liquid-based Pap smears allow for immunohistochemical staining, aiding in differential diagnosis.
- Integrating clinical history and cytologic features enables early diagnosis and treatment of PNETs.