Amyloid deposit stain positively with all of the following except: (A) Congo red, (B) Crystal violet, (C) Methanamine silver, (D) Thioflavin T
Answer is C. Ref Robbins 9/e p262 The Modified Gomori Methenamine-SilverNitrate Stain (GMS Stain) is intended for usein the histologic visualization of fungi, basement membrane and some oppounistic organisms such as Pneumocystis carinii.