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Dermatophytosis - Flashcards (view source)
Revision as of 00:24, 20 February 2010
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[[Image: Ringworm dog.jpg|150px|thumb|right|Ringworm in a dog -Courtesy of Bristol BioMed Image Archive]]
[[Image: Ringworm dog.jpg|150px|thumb|right|Ringworm in a dog -Courtesy of Bristol BioMed Image Archive]]
<FlashCard questions="6">
|q1=What are dermatophytes also known as?
|a1=
*Fungi Imperfecti
*Phaeohyphomycetes
*(Commonly called 'ringworm' in practice)
|l1=Dermatophytosis
||<font color="white"> <big>
|q2=Which two species of dermatophytes are of particular veterinary interest?
*'''''Fungi Imperfecti'''''
|a2=
*'''''Phaeohyphomycetes'''''
*Microsporum
*'''''(Commonly called 'ringworm' in practice)'''''
*Trichophton
||[[Dermatophytosis|<span title="Answer article">Link to Answer Article</span>]]
|l2=Dermatophytosis
|q3=Why are dermatophytes usually found in the subcutaneous and cutaneous tissue?
|a3=
||<font color="white"> <big>
*Lack of tolerance to body temperature and antifungal activity in serum and body fluids
*'''''Microsporum'''''
*Are able to penetrate all layers of skin however
*'''''Trichophton'''''
*Dermatophytosis
||[[Dermatophytosis|<span title="Answer article">Link to Answer Article</span>]]
|q4=What clincial signs are usually present with a dermatophyte infection?
|a4=
*Epidermal hyperplasia and inflammation leading to peripheral red 'ringworm'
||<font color="white"> <big>
*Superficial perivascular dermatitis leading to intracorneal microabscesses
*'''''Lack of tolerance to body temperature and antifungal activity in serum and body fluids'''''
*Furunculosis
*'''''Are able to penetrate all layers of skin however'''''
*Pustules in hair follicles cause by secondary invaders leading to alopecia
|l4=Dermatophytosis#Pathogenesis
|q5=How would you diagnose a dermatophyte infection?
|a5=
||<font color="white"> <big>
*Clinical sings
*'''''Epidermal hyperplasia and inflammation leading to peripheral red 'ringworm''''''
*Wood's Lamp
*'''''Superficial perivascular dermatitis leading to intracorneal microabscesses'''''
*Examine in 10-20% KOH for the presence of hyphae or arthrospores with Lactophenol Cotton Blue to enhance visualisation
*'''''furunculosis'''''
*Sabouraud's Dextrose agar containing cyclohexamide and chloramphenicol at room temperature for a month for culture
*'''''Pustules in hair follicles cause by secondary invaders leading to alopecia'''''
*Culture with Dermatophyte Test Medium (Saubouraud's Dextrose agar with phenol red indicator- medium changes from yellow to red if fungi present)
||[[Dermatophytosis#Pathogenesis|<span title="Answer article">Link to Answer Article</span>]]
|l5=Dermatophytosis#Diagnosis
|q6=How are dermatophytes infections treated?
|a6=
||<font color="white"> <big>
*Isolation
*'''''Clinical sings'''''
*Griseofulvin
*'''''Wood's Lamp'''''
*Whitfield's ointment (Salicylic and benzoic acid)
*'''''Examine in 10-20% KOH for the presence of hyphae or arthrospores with Lactophenol Cotton Blue to enhance visualisation'''''
*Aqueous lime sulphur topically for dogs
*'''''Sabouraud's Dextrose agar containing cyclohexamide and chloramphenicol at room temperature for a month for culture'''''
*Iodine
*'''''Culture with Dermatophyte Test Medium (Saubouraud's Dextrose agar with phenol red indicator- medium changes from yellow to red if fungi present)
*Antibiotics
||[[Dermatophytosis#Diagnosis|<span title="Answer article">Link to Answer Article</span>]]
*Natamycin antifungal
*Imidiazole derivatives
|l6=Dermatophytosis#Treatment
||<font color="white"> <big>
</FlashCard>
*'''''Isolation'''''
*'''''Griseofulvin'''''
*'''''Whitfield's ointment (Salicylic and benzoic acid)'''''
*'''''Aqueous lime sulphur topically for dogs'''''
*'''''Iodine'''''
*'''''Antibiotics'''''
*'''''Natamycin antifungal'''''
*'''''Imidiazole derivatives'''''
||[[Dermatophytosis#Treatment|<span title="Answer article">Link to Answer Article</span>]]