Fig. 1From: Neuroendocrine and squamous cell phenotypes of NUT carcinoma are potential diagnostic pitfalls that discriminating it from mimickers, such as small cell and squamous cell carcinomaHistological findings from hematoxylin & eosin staining and immunohistochemistry (NUT and INSM1) of NUT carcinoma. Positive nuclear staining of INSM1 was readily detected in tumor cells, although the staining intensity was generally weakBack to article page