In a patient, corneal scraping reveals narrow angled septate hyphae, which of the following is the likely etiological agent: (A) Mucor, (B) Aspergillus, (C) Histoplasma, (D) Candida
Answer is B. Aspergillus has non pigmented septate hyphae with characteristic dichotomous branching at an angle of approximate 45degrees. it causes superficial infections like sinusitis, otomycosis and mycotic keratitis. Ref: Textbook of Microbiology, Ananthanarayan and Paniker; 9th edition .