What is the role of lab testing in the workup of postradiation sarcoma (PRS)?

Updated: Jul 01, 2020
  • Author: Nagarjun Rao, MD, FRCPath; Chief Editor: Omohodion (Odion) Binitie, MD  more...
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No specific laboratory blood tests are used to diagnose postradiation sarcoma (PRS). Routine laboratory investigations may be ordered.

Cytogenetic studies on PRS tumor cells do not have much value, because the tumor cells can have numerous quantitative (numerical) and qualitative abnormalities that lack specificity. However, the value of cytogenetic analysis lies in excluding other conditions that may have specific anomalies and that may present a challenge in light-microscopic examination.

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