system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Best stain for cryptococcal capsule -
assistant
The correct answer is  Ans. is 'b' i.e., India Ink preparation * C. neoformans is best demonstrated in CSF by direct microscopy. The capsule is seen as a clear halo around the yeast cells in unstained wet preparations of CSF mixed with a drop of India ink or nigrosine. Methenamine silver stain would be the best choice for a tissue sample.