adipose tumor benign tumor neurofibroma carcinoid neuroma angioma brain tumor brain tumour pinealoma nonmalignant neoplasm benign tumour celioma nonmalignant tumor malignant neoplasm phaeochromocytoma teratoma tumour lipoma blastocytoma acanthoma malignant tumor psammoma embryonal carcinosarcoma nonmalignant tumour metastatic tumor neurilemoma meningioma skin tumor growth sand tumor neoplasm blastoma plasmacytoma granuloma pheochromocytoma