Fig. 2From: Neuroendocrine and squamous cell phenotypes of NUT carcinoma are potential diagnostic pitfalls that discriminating it from mimickers, such as small cell and squamous cell carcinomaRepresentative histology and immunohistochemistry of small cell lung carcinoma. Hematoxylin & eosin (a), NUT (b), chromogranin A showing cytoplasmic positivity in tumor cells (c). Both INSM1 (d) and ASCL1 (e) were positive in the nucleiBack to article page