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Periodic Acid Schiff Staining (PAS)

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Questions and Answers

What is the primary purpose of Periodic Acid Schiff Staining?

To demonstrate mucopolysaccharides in tissues

To display histological features of lymphocytes and glands (correct)

To identify fungal organisms in tissue sections

To diagnose lymphocytic leukemia

What is the significance of staining lymphocytes in cases of lymphocytic leukemia?

To aid in making therapeutic decisions (correct)

To diagnose the disease

To monitor the progression of the disease

To determine the severity of the disease

What type of molecules can be demonstrated using PAS staining?

Carbohydrates

Proteins

Mucopolysaccharides (correct)

Nucleic acids

Which of the following tissues can be stained using PAS?

<p>Glands in the digestive tract</p> Signup and view all the answers

What is an additional application of PAS staining?

<p>To show fungal organisms in tissue sections</p> Signup and view all the answers

Study Notes

Periodic Acid Schiff Staining (PAS)

Designed for histological display of: • Goblet cells • Glands in the digestive tract • Lymphocytes • Mucopolysaccharides
Staining of lymphocytes helps in making therapeutic decisions in cases of lymphocytic leukemia
PAS reaction in tissues is useful for demonstration of mucopolysaccharides
PAS staining can show fungal organisms in tissue sections

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Description

PAS staining is a histological technique used to display goblet cells, glands, lymphocytes, and mucopolysaccharides. It's useful in diagnosing lymphocytic leukemia and demonstrating fungal organisms in tissue sections.