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| Cholesterol crystals are seen in the center of this field with squamous epithelial cells on either side. Cholesterol crystals are found in acid or neutral urine. They appear as regular or irregular transparent plates. They may occur singly or in large numbers. Usually one or more corners are cut off or notched, justifying their description as "stair step crystals". They are not commonly seen and are always considered pathological. They can be found in various renal diseases. (Brightfield microscopy, 160X magnification.) |
