Not true regarding sporotrichosis is: (A) Caused by sporothrix schenkii, (B) Spread along lymphatics, (C) Medullar bodies are seen, (D) Potassium iodide is the durg of choice
Answer is C. 1. Direct microscopic examination of KOH mounts of specimen stained by methenamine silver stain shows an asteroid body which is a rounded or oval, basophilic yeast like body with rays of an eosinophilic substance radiating from a yeast cell. 2. Sporotrichosis is a chronic infection involving cutaneous, subcutaneous and lymphatic tissue. 3. For cutaneous infection, potassium iodide is given topically or orally. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition