1. Institute of Pathology, Jena University Hospital, Friedrich Schiller University, Jena, Germany;2. Institute of Pathology, Charité – University Medicine Berlin, Campus Mitte, Berlin, Germany
Abstract:
DIPNECH is regarded as a precursor lesion of neuroendocrine lung tumors, specifically carcinoids. A relationship with lung adenocarcinomas has not been clearly established so far. We present a series of four cases with a concomitant presence of adenocarcinoma and DIPNECH in the lung.