English Pointer with nasal aspergillosis. Diff Quik stained cytological smear of material obtained from the frontal sinus of a 7 year old English Pointer with nasal aspergillosis. This infection was caused by Aspergillus fumigatus. Fungal hyphae are

English Pointer with nasal aspergillosis. Diff Quik stained cytological smear of material obtained from the frontal sinus of a 7 year old English Pointer with nasal aspergillosis. This infection was caused by Aspergillus fumigatus. Fungal hyphae are beautifully demonstrated by the Diff Quik stain. Magnification x 200.