Fig. 3From: 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 basaloid squamous cell carcinoma. Hematoxylin & eosin (a), NUT (b), synaptophysin (c), P40 was positive for tumor cells in the basal layer (d) and CK5/6 (e) strong and diffuse staining in the cytoplasmBack to article page