Milwaukee shoulder crystals are best visualized with which stain?

Prepare for the CMS II Rheumatology E1 Exam with our comprehensive quiz. Study using flashcards and multiple-choice questions, each with hints and explanations. Get ready for success!

Multiple Choice

Milwaukee shoulder crystals are best visualized with which stain?

Explanation:
Milwaukee shoulder crystals are basic calcium phosphate crystals, specifically hydroxyapatite, deposited in the joint. To visualize calcium-containing crystals, you use a stain that binds calcium. Alizarin red S binds calcium and stains these crystals a reddish color, making hydroxyapatite crystals visible under light microscopy. The other stains serve different purposes—Gram stain for bacteria, Ziehl-Neelsen for acid-fast organisms, and Papanicolaou for cytology—so they don’t highlight calcium-containing crystals.

Milwaukee shoulder crystals are basic calcium phosphate crystals, specifically hydroxyapatite, deposited in the joint. To visualize calcium-containing crystals, you use a stain that binds calcium. Alizarin red S binds calcium and stains these crystals a reddish color, making hydroxyapatite crystals visible under light microscopy. The other stains serve different purposes—Gram stain for bacteria, Ziehl-Neelsen for acid-fast organisms, and Papanicolaou for cytology—so they don’t highlight calcium-containing crystals.

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