What is the periodic acid Schiff plus diastase (PAS-D) special stain? Periodic acid Schiff plus diastase (also known as PAS-D) is a special stain test that is primarily used by pathologists to determine if a substance inside of a cell is a type of sugar called glycogen or a type of protein called mucin. When …
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What is a periodic acid Schiff (PAS) special stain? Periodic acid Schiff (also known as PAS) is a special stain test performed by pathologists to look for two types of chemicals in a tissue sample: a type of sugar called glycogen, and a type of protein called mucin. Pathologists often perform a PAS stain when …
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What is a Grocott special stain? Grocott (also known as GMS) is a special stain test performed by pathologists to look for fungal micro-organisms in a tissue sample. The most commonly identified fungal micro-organisms are Candida and Pneumocystis. GMS may also be used to look for some types of bacteria, such as Actinomyces and Nocardia. …
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