cell block


cell block

a paraffin block, suitable for sectioning, staining, and microscopic study, prepared from any suspension of cells in fluid (that is, aspirates or washings); cells are concentrated by centrifugation or filtering, and the resulting aggregation is processed as if it were a solid specimen of tissue.

cell block

Cytology A paraffin-embedded specimen derived from dried mucus, sputum, or debris found in fluids of pleural, pericardial, endobronchial and other sites that cannot be processed in the usual fashion for cytologic analysis