NUT carcinoma (NC) | |
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Other names | NUT midline carcinoma (NMC)[1] |
Micrograph of a NUT carcinoma with the characteristic well-differentiated islands of squamous epithelium. H&E stain. | |
Specialty | Oncology |
NUT carcinoma (NC; formerly NUT midline carcinoma (NMC)) is a rare genetically defined, very aggressive squamous cell epithelial cancer that usually arises in the midline of the body and is characterized by a chromosomal rearrangement in the nuclear protein in testis gene (i.e. NUTM1 gene).[2] In approximately 75% of cases, the coding sequence of NUTM1 in band 14 on the long (or "q") arm of chromosome 15 is fused to BRD4 or BRD3, which creates a chimeric gene that encodes the BRD-NUT fusion protein. The remaining cases, the fusion of NUTM1 is to an unknown partner gene, usually called NUT-variant.
The name NUT carcinoma was introduced as the carcinoma does not only occur in the body midline; therefore, WHO also changed the name in 2015 in the WHO Classification of Tumours of the Lung, Pleura, Thymus and Heart.[3]
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