pineocytoma (DOID:0081248)
Alliance: disease page
Synonyms: Pinealocytoma; Pinealoma
Alt IDs: NCI:C6966
Definition: An endocrine organ benign neoplasm arising from the pineal gland that is composed of small, uniform, mature cells resembling pineocytes with occasional large pineocytomatous rosettes. It may show a wide range of divergent phenotypes, including neuronal, glial, melanocytic, photoreceptor and mesenchymal differentiation.