special stain

Periodic acid Schiff plus diastase (PAS-D)

Periodic acid Schiff plus diastase (also known as PAS-D) is a special stain with various uses by pathologists. It is typically used in combination with the routine hematoxylin and eosin (H&E) stained slide. Common uses for PAS-D include: Intracellular mucin: PAS-D can help a pathologist differentiate between glycogen and mucin. When a PAS-D-stained slide is …
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Periodic Acid Schiff (PAS)

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 they are trying to determine if the cells in …
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Grocott (GMS)

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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Special stain

A special stain is a type of test that helps pathologists see details in a tissue sample that cannot be seen with the more common hematoxylin and eosin (H&E) stain. Pathologists perform this type of test by adding a coloured dye (the stain) to a tissue sample which is then examined under a microscope. The …
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