What is the role of immunohistochemistry in the workup of secondary lung tumors?

Updated: Feb 16, 2021
  • Author: Daniel S Schwartz, MD, MBA, FACS; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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The combination of a stepwise approach, with initial clinical and radiologic evaluation and a biopsy procedure, followed by histologic evaluation with extensive immunohistochemistry, may yield a final classifying diagnosis in up to 50% of patients who have not been otherwise diagnosed. [5]

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