Primary Hepatic Neuroendocrine Tumor with Unusual Thyroid Follicular-Like Morphologic Characteristics

Figure 1

Hepatic tumor with multiple acinar-like structures. These structures contain eosinophilic secretions (thyroid-like morphologic characteristic) with brisk mitotic figures and neoplastic cells with “salt and pepper” chromatin (hematoxylin-eosin, original magnification ×40).