Cryptococcus neoformans is visualized by?: (A) India ink preparation, (B) Giemsa stain, (C) Grams stain, (D) Acid fast stain
Answer is A. ANSWER: (A) India ink preparationREF: Harrisons 18th ed chapter 202Visualization of the capsule of fungal cells in cerebrospinal fluid (CSF) mixed with india ink is a useful rapid diagnostic technique. Cryptococcal cells in India ink have a distinctive appearance because their capsules exclude ink particles