Neuroendocrine carcinomas: Cytological mimics and diagnostic dilemmas.
Saumya GuptaParikshaa GuptaManish RohillaNalini GuptaRadhika SrinivasanArvind RajwanshiUma N SaikiaPranab DeyPublished in: Diagnostic cytopathology (2020)
The accurate diagnosis of NEC depends on clinical correlation, meticulous screening for any obvious neuroendocrine features and cell block morphology. Immunohistochemistry is essential for ruling out of tumours of neuroendocrine origin. A Ki67 index is mandatory for grading of all neuroendocrine tumours.