1. Although the cell-block technique is not new, handling of the specimens in a conventional manner2 occasionally results in considerable loss of material and is inconvenient. Some use agar to bind the sedimented cells and tissue particles (MJP Schryer, personal communication, 1981) but, since the agar has to be kept hot, the procedure is also Esposti;PI, Franzen S.; J, Zajicek,1968
2. Histo-Logic;Graves, E.,1980
3. Requests for reprints to: Dr PN Kamauchow, Depart-Accepted for publication,1981