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Cell Block Preparation from Cytology Specimen with Predominance of Individually Scattered Cells
Published on: July 21, 2009
[Immunocytochemistry in malignant serous effusions]
Eric Piaton1, Serge Vancina, Michèle Cottier
1Service d'Anatomie et Cytologie Pathologiques, Hôpital Edouard Herriot, 3 place d'Arsonval, 69437 Lyon Cedex 03. eric.piaton@chu-lyon.fr
Insights
Immunocytochemistry aids in classifying malignant serous effusions. Using a panel of antibodies with mesothelial cell markers improves diagnostic accuracy for pathologists.
Area of Science:
- Cytopathology
- Oncology
- Immunohistochemistry
Context:
- Malignant serous effusions present diagnostic challenges.
- Accurate classification is crucial for patient management and treatment decisions.
Purpose:
- To evaluate the utility of immunocytochemistry in diagnosing malignant serous effusions.
- To recommend optimal methodologies and antibody panels for improved accuracy.
Summary:
- Immunocytochemistry is a valuable tool for typing malignant serous effusions.
- Various preparation methods exist, including smearing, cytocentrifugation, cell blocks, and liquid-based cytology.
- A recommended approach involves using a panel of antibodies that combines carcinoma markers with mesothelial cell markers.
- The effectiveness of immunocytochemistry is influenced by the pathologist's experience.
Impact:
- Enhanced diagnostic accuracy for malignant serous effusions.
- Improved patient stratification and treatment planning.
- Potential for wider adoption of immunocytochemistry in routine diagnostics.
Abstract:
Immunocytochemistry may be of valuable help in typing most malignant serous effusions. Various preparatory methods are described including centrifugation and smearing, cytocentrifugation, cell blocks and liquid based cytology. The value and usefulness of immunocytochemistry depends on the experience of each pathologist. The use of a panel of antibodies associating markers of carcinomas with markers of mesothelial cells is recommended.

