Figure 2From: Malignant neuroendocrine tumour of the appendix in childhood with loco-regional lymph node invasionHighlights the histological appendix specimen with staining. A: Base of the appendix with accompanying mesoappendiceal lymph node. B: Neuroendocrine carcinoma of the appendix located at the apex with extramural extension into the mesoappendix. C: Chromogranin A, neuroendocrine marker positive. D: Mesoappendiceal lymph node showing small focus of metastatic tumour.Back to article page