Poorly Differentiated Neuroendocrine Carcinoma, Gallbladder



Poorly Differentiated Neuroendocrine Carcinoma, Gallbladder


Laura Webb Lamps, MD









This low-power view of poorly differentiated neuroendocrine carcinoma of the gallbladder shows the characteristic diffuse submucosal growth pattern.






The tumor is composed of sheets of round to spindled small blue cells with finely dispersed chromatin and little cytoplasm.


TERMINOLOGY


Abbreviations



  • Poorly differentiated neuroendocrine carcinoma (PDNC)


Synonyms



  • Small cell carcinoma


  • Small cell undifferentiated carcinoma


  • Oat cell carcinoma


Definitions



  • Most are similar to small cell counterpart in other organs, but some tumors have a large cell phenotype


ETIOLOGY/PATHOGENESIS


Unknown



  • Associated with gallstones


CLINICAL ISSUES

Jul 7, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Poorly Differentiated Neuroendocrine Carcinoma, Gallbladder
Premium Wordpress Themes by UFO Themes
%d bloggers like this: