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Wood’s lamps can be used in any species susceptible to M canis infections, but because dermatophytosis is more common in cats and more pleomorphic in presentation, it is considered a core diagnostic test in cats with skin disease. Fungal culture is always recommended to confirm the infection.
View Skin: Wood's lamp test & more Felis resources at Vetlexicon. Over 28,000 peer-reviewed resources: Canis, Bovis, Equis, Lapis & Exotis.
To diagnose ringworm, for all cats in CP care: Perform a fungal culture. if suspicious lesions present (even if Wood’s lamp negative) and/or. Wood’s lamp positive. EVERY cat should be screened using a Wood’s lamp where this is available, even if the cat appears healthy and free of skin lesions.
25 sty 2021 · How to Do a Wood’s Lamp or Blacklight Exam for Ringworm – Fostering Cats. January 25, 2021 Darcy Oordt. What You Need. Paper and Pencil. Damp Washcloth. Wood’s Lamp or Blacklight* Magnifying Glass (or Camera) A dark room (preferably one that will prevent the cat from escaping) Steps. Gather all the equipment.
When checking animals for dermatophytosis (ringworm) we often will examine them under a special type of ultraviolet light called a Wood’s lamp. 50% of strains of Microsporum canis, the most common cause of ringworm in cats, will show the infected hairs fluoresce apple green under this lamp.
Context 1. ... canis was identified by culture in 45 cats (64.29%). The Wood's lamp examination showed a positive fluorescence in 34 cats (48.57%), see Table 1. ... View in full-text.
If a cat has a positive Wood’s lamp exam or a suspicious exam, we recommend performing a culture to confirm dermatophytosis infection. More information about culture interpretation and treatment can be found in our Ringworm Guidebook. Please let us know if you have any further questions or concerns! Bridget Holck, DVM.
