1. A computer-assisted method of classifying cytological samples, comprising: using one or more processors to analyze images of cytological samples and identify cytological objects of interest within the sample images, wherein the one or more processors display images of identified cytological objects of interest from the sample images to a reviewer, access a database of images of previously classified cytological objects, and display to the reviewer, interspersed with the displayed images of the identified objects of interest from the sample images, one or more images obtained from the database of images of previously-classified objects.