Pleomorphic adenoma with extensive squamous and mucinous metaplasia and a novel MALAT1::PLAG1 fusion gene

Cases of metaplastic pleomorphic adenoma can be diagnostically challenging. Many of these cases fall into the Milan system's SUMP category, and some may be misdiagnosed. The author shows a case of pleomorphic adenoma with extensive squamous and mucinous metaplasia and a novel MALAT1::PLAG1 fusion.image

Automated summary

This article discusses the diagnostic challenges of a rare case of metaplastic pleomorphic adenoma, which exhibits extensive squamous and mucinous metaplasia. The article also introduces a novel MALAT1::PLAG1 fusion image.