1. Procedure. Place a few drops of Zenker's fixative stock solution (see page 131), without glacial or formic acid, on a slice of fresh tumor tissue. A pheochromocytoma containing adrenaline or noradrenaline or both will turn brown in less than 20 min. Light of a photolamp will accelerate the reaction. Tissue is subsequently fixed in 10% buffered neutral formalin solution. For histologic demonstration of chromaffin granules in these tumors, the tissue should be fixed in Orth's solution. (See above under "Fixation for Light Microscopy."

Your Heart and Nutrition

Your Heart and Nutrition

Prevention is better than a cure. Learn how to cherish your heart by taking the necessary means to keep it pumping healthily and steadily through your life.

Get My Free Ebook

Post a comment