Table 3.
Common Commercially available molecular testing platforms for thyroid fine needle aspiration
| Platforms | Testing methods | PPV a | NPV | Rule in test | Rule out test |
|---|---|---|---|---|---|
| Thyroseq genomic classifier version 3 28 | Next generation sequencing platform of 112 genes: mutations, fusions, copy number alterations and gene expression | 66% | 97% | Yes | Yes |
| Afirma gene expression classifier 34,60,62 | Microarray essay of mRNA expression of 142 genes | 42% | 93–97% | No | Yes |
| ThyGenX/ThyraMIR 34,62 | Combined test of NGS mutation detection and miRNA classifier | 74–82% | 92–94% | Yes | Yes |
| RosettaGX 34,62 | microRNA classifier | 42% | 92% | No | Yes |
mRNA: messenger RNA, miRNA: microRNA.
The PPV is calculated using a surgical diagnosis of carcinoma or NIFTP.