1. Neuroendocrine adenoma of the middle ear, 4x2. Neuroendocrine adenoma of the middle ear, 10x3. Neuroendocrine adenoma of the middle ear, 10x4. Neuroendocrine adenoma of the middle ear, 10x5. Neuroendocrine adenoma of the middle ear, 20x6. Neuroendocrine adenoma of the middle ear, 20x7. Neuroendocrine adenoma of the middle ear, 20x8. Neuroendocrine adenoma of the middle ear, 20x9. Neuroendocrine adenoma of the middle ear, 40x10. PAN-CK, 10x11. PAN-CK, 10x12. Chromogranin, 10x