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Is Immunohistochemistry Always Required to Diagnose Lung Cancer?

Rossi, Giulio MD*; Tiseo, Marcello MD; Cavazza, Alberto MD*; Colby, Thomas V. MD

Advances in Anatomic Pathology:
doi: 10.1097/PAP.0b013e3182a28a24
Review Articles
Abstract

Non–small cell lung cancer is possibly the solid tumor with more potential drugable molecular targets, but the smallest tumor specimens. An optimization of tumor tissue handling is then mandatory. In this landscape, the precise definition of non–small cell lung cancer histologic type had a renewal role in selecting different therapeutic strategies, also leading to a large use of immunohistochemistry even in malignancies showing an overt morphologic differentiation. We suggest here 4 different clinicopathologic scenarios with some helpful rules aimed at preventing unnecessary and expensive immunostains, then underlining the ageless value of morphology and preserving tumor tissues for molecular investigations.

Author Information

*Department of Oncology and Advanced Technologies, Operative Unit of Pathologic Anatomy, Azienda Arcispedale S. Maria Nuova/IRCCS, Reggio Emilia

Operative Unit of Medical Oncology, University Hospital of Parma, Parma, Italy

Department of Laboratory Medicine and Pathology, Mayo Clinic Arizona, Scottsdale, AZ

The authors have no funding or conflicts of interest to disclose.

Reprints: Giulio Rossi, MD, Department of Oncology and Advanced Technologies, Operative Unit of Pathologic Anatomy, Azienda Arcispedale A. Maria Nuova/IRCCS, Viale Risorgimento, 80-42123-Reggio Emilia, Italy (e-mail: giurossi68@gmail.com).

All figures can be viewed online in color at http://www.anatomicpathology.com.

© 2013 by Lippincott Williams & Wilkins.