Mixed adenoneuroendocrine carcinoma is a rare neoplasm with both epithelial and neuroendocrine components. To date, only a few cases of this neoplasm have been reported in the literature among which gastric mixed adenoneuroendocrine carcinoma is very rare. We are reporting a case of gastric mixed adenoneuroendocrine carcinoma with squamous cell differentiation. Histopathological features, biological behaviour and the treatment of this rare tumour type have been discussed briefly.
Colorectal neuroendocrine carcinoma with squamous cell differentiation: a rare and unusual tumour
