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Cell block preparation as a diagnostic technique complementary to fluid-based monolayer cervicovaginal specimens
K Richard1, B Dziura, A Hornish
1Department of Pathology, Baystate Medical Center, Springfield, Massachusetts, USA.
Acta Cytologica
|February 13, 1999
Summary
Cell block preparations from fluid-based cervicovaginal specimens enhance diagnostic accuracy. This method aids in diagnosing various lesions, proving valuable in selected cases.
Area of Science:
- Gynecologic Pathology
- Cervical Cytology
- Diagnostic Accuracy
Background:
- Fluid-based cytology is standard for cervicovaginal screening.
- Monolayer preparations may have limitations in assessing architectural patterns.
- Cell block preparations offer tissue architecture for improved interpretation.
Purpose of the Study:
- To evaluate the diagnostic utility of cell blocks from fluid-based cervicovaginal specimens.
- To determine if cell blocks improve the accuracy of monolayer Pap test diagnoses.
Main Methods:
- 100 fluid-based cervicovaginal specimens underwent ThinPrep processing.
- Cell block preparations were created from these specimens.
- Decision to prepare a cell block was based on initial monolayer slide morphology.
Main Results:
- Cell blocks aided diagnosis in 20% of cases and were critical in 5%.
- Cell blocks were particularly useful for lesions requiring assessment of architecture and morphology.
- Presence of tissue fragments on the slide indicated potential utility of cell block preparation.
Conclusions:
- Cell block preparation is a valuable adjunct to monolayer slides for cervicovaginal lesions.
- Selected cell block preparations can improve diagnostic confidence and accuracy.
- This technique is beneficial in cases with ambiguous morphology or architectural significance.