Practical aspects in quality control of immunohistology

Wolf D. Kuhlmann

Division of Radiooncology, Deutsches Krebsforschungszentrum, 69120 Heidelberg, Germany

Quality control is of great importance for reliable immunohistology. This can be only achieved by intensive work with a great number of control sets which include reagents as well as tissue preparations, otherwise artefacts (so-called false positive and false negative staining reactions) have to be expected. Some major problems are listed in tables which may be helpful in troubleshooting.