Fig. 1

a Histopathological features of biopsy sample showing numerous septate hyphae, “spaghetti-like” fungal filaments branching at an angle of approximate 450, interspersed with shreds of vocal cord squamous epithelium (Haematoxylin and Eosin stained, magnification X400. b Calcofluor white staining of tissue section observed under fluorescent microscopy showing numerous branched septate hyphal forms X1000