Which of the following stains is used to demonstrate yeast forms of cryptococci in tissue sections: (A) Mucicarmine, (B) Perl's, (C) Sudan black, (D) Masson Fontana
Answer is A. Cryptococcus is stained by gram stain, mucicarmine stain, H & E, PAS. Masson Fontana: melanin granules in the cytoplasm of tumor cells. Sudan black stains lipid. Perl&;s- iron deposits. Reference: Textbook of Microbiology; Baveja; 4th edition