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. 2021 Feb;23(2):171–180. doi: 10.1016/j.jmoldx.2020.10.013

Figure 4.

Figure 4

Comparison of cerebrospinal fluid (CSF) cytology and CSF circulating tumor DNA (ctDNA) analysis. Mutations were identified in 8 of 10 (80%) samples with a positive CSF cytology result. In addition, mutations in CSF-ctDNA were identified in 6 of 24 (25%) CSF samples with a negative CSF cytology result. Asterisk indicates low input.