Histopathological stains are used to highlight specific tissue components, making it easier to identify abnormalities. Common stains include:
Hematoxylin and Eosin (H&E): The most widely used stain, H&E stains cell nuclei blue and cytoplasm pink. Periodic Acid-Schiff (PAS): Stains carbohydrates and mucosubstances, useful in diagnosing conditions like glycogen storage diseases. Masson's Trichrome: Differentiates between muscle, collagen, and other connective tissues. Immunohistochemistry (IHC): Uses antibodies to detect specific antigens, aiding in the diagnosis of cancers and infectious diseases.