CELLULAR PATHOLOGY UPDATE

Developments in cellular pathology have changed the face of this, one of the earliest of disciplines in laboratory medicine. Advances in imm unocytochemistry, histochemistry, microtomy and microscopy have ensure d that it now keeps pace with its younger siblings in the laboratory w orld. This update covers a range of topics including the measurement o f proliferation, the effect of temperature on immunostaining, the hist ological diagnosis of Hirschsprung's disease, Helicobacter pylori in g astroduodenal disease, confocal laser scanning microscopy, and immunoc ytochemistry on resin sections.