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Immunoperoxidase Technics in Diagnostic Pathology: Report of a Workshop Sponsored by the National Cancer Institute

Immunoperoxidase Technics in Diagnostic Pathology: Report of a Workshop Sponsored by the National... The use of immunoperoxidase technics has spread dramatically in recent years to almost daily use in certain clinical and surgical pathology laboratories. A wide variety of cell products, including enzymes, polypeptide and steroid hormones, immunoglobulins, oncodevelopmental antigens, viral antigens, and other cell-specific proteins, have been demonstrated in frozen or conventionally fixed and embedded tissue sections by the use of these methods. Major applications of these technics at present include demonstration of various immunoglobulin classes in tumors of lymphoreticular origin and atypical lymphoproliferative processes, identification of polypeptide hormones in endocrine tumors, and demonstration of various tumor markers such as carcinoembryonic antigen and alpha fetoprotein in neoplastic and preneoplastic conditions. The indirect peroxidase conjugate and peroxidase antiperoxidase procedures are presented and reviewed in detail with emphasis on tissue preparative procedures, evaluation of tissue and immunologic controls, background staining, and evaluation of results. The danger of false-negative and false-positive results should be dealt with in a precise manner so that results from different laboratories are both reliable and reproducible. The application of immunoperoxidase technics represents a major advance for the surgical pathologist, but additional evaluation, development, and standardization are required. To accomplish this, comparative studies of the same material, including known positive and negative tissue controls, by different laboratories should be encouraged. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Clinical Pathology Oxford University Press

Immunoperoxidase Technics in Diagnostic Pathology: Report of a Workshop Sponsored by the National Cancer Institute

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Publisher
Oxford University Press
Copyright
© American Society of Clinical Pathologists
ISSN
0002-9173
eISSN
1943-7722
DOI
10.1093/ajcp/71.5.483
Publisher site
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Abstract

The use of immunoperoxidase technics has spread dramatically in recent years to almost daily use in certain clinical and surgical pathology laboratories. A wide variety of cell products, including enzymes, polypeptide and steroid hormones, immunoglobulins, oncodevelopmental antigens, viral antigens, and other cell-specific proteins, have been demonstrated in frozen or conventionally fixed and embedded tissue sections by the use of these methods. Major applications of these technics at present include demonstration of various immunoglobulin classes in tumors of lymphoreticular origin and atypical lymphoproliferative processes, identification of polypeptide hormones in endocrine tumors, and demonstration of various tumor markers such as carcinoembryonic antigen and alpha fetoprotein in neoplastic and preneoplastic conditions. The indirect peroxidase conjugate and peroxidase antiperoxidase procedures are presented and reviewed in detail with emphasis on tissue preparative procedures, evaluation of tissue and immunologic controls, background staining, and evaluation of results. The danger of false-negative and false-positive results should be dealt with in a precise manner so that results from different laboratories are both reliable and reproducible. The application of immunoperoxidase technics represents a major advance for the surgical pathologist, but additional evaluation, development, and standardization are required. To accomplish this, comparative studies of the same material, including known positive and negative tissue controls, by different laboratories should be encouraged.

Journal

American Journal of Clinical Pathology – Oxford University Press

Published: May 1, 1979

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