Small Mammals Q&A 05 - Revision history

Bara at 12:45, 16 August 2011

2011-08-16T12:45:43Z

Lwyasm1 at 14:44, 20 June 2011

2011-06-20T14:44:41Z

Lwyasm1 at 13:59, 20 June 2011

2011-06-20T13:59:07Z

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2011-06-20T10:18:24Z

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| align="left" | This question was provided by [[:Category:Manson|Manson Publishing]] as part of the [[OVAL Project]]. See more [[Category: Small Mammals Q&A|Small Mammals questions]]
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'''A mouse develops pruritus and hair loss over its dorsum. The skin appears reddened with multifocal crusts and patchy alopecia. Another mouse in the same cage is asymptomatic. There is also a 10-year-old Yorkshire terrier recently diagnosed with allergic dermatitis living in the same household.'''
 
<FlashCard questions="4">
|q1= What are the differential diagnoses for pruritus and alopecia in the mouse?
|a1= The causes of pruritus and alopecia in the mouse include ectoparasites, dermatophytosis, bacterial infections, barbering, pinworms and neoplasia.
*The more common ectoparasites include the parasitic mites ''Myobia musculi'' and ''Myocoptes musculinus''.
*Less common species of mites include ''Radfordia affinis, Psorergates simplex, Otodectes bacoti, Sarcoptes scabiei, Notoedres muris'' and ''Trichoecius romboutsi''. Other ectoparasites include fleas, primarily in households with dogs and cats. The louse, ''Polyplax serrata'', is also considered.
*Dermatophytosis is an uncommon cause of pruritus in the mouse. ''Trichophyton mentagrophytes'' can be isolated from 60% of clinically normal pet shop mice.
*Bacterial dermatitis (i.e. ''Staphylococcus'') is not typically pruritic but may cause skin crusting.
*Barbering, due to stress and overcrowding, causes alopecia but not pruritus.
*Pinworms cause a localized perianal pruritus.
*Neoplasia, such as epitheliotrophic lymphoma, occasionally causes alopecia and pruritus but generally is associated with scaly skin.
|l1=
|q2= What diagnostic steps would you take to find the cause of the problem?
|a2= Perform skin scrapings, fungal cultures and skin biopsies to determine the cause.
|l2=
|q3= What is the organism shown above and how would you treat it?
|a3= This ''Sarcoptes'' mite was found after a skin scraping. Two to three injections of ivermectin (0.20–0.40 mg/kg q 7–14 days) is usually sufficient to cause resolution of the signs. Insecticidal dips may be too toxic, even diluted, for mice. Use any insecticide product in mice with great caution.
|l3=
|q4= What recommendations would you make regarding the other animals in the household?
|a4= Consider the other mouse an asymptomatic carrier and treat it with ivermectin. Since the dog may not be suffering from allergies but rather a mite infestation, it is important to examine all household pets and people for mites. The household environment should be thoroughly cleaned.
|l4=
</FlashCard>

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+| align="left" | This question was provided by [[:Category:Manson|Manson Publishing]] as part of the [[OVAL Project]].  See more [[:Category: Small Mammals Q&A|Small Mammals questions]]
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 *Pinworms cause a localized perianal pruritus.
 *Neoplasia, such as epitheliotrophic lymphoma, occasionally causes alopecia and pruritus but generally is associated with scaly skin.
-|l1=
+|l1= Sarcoptic Mange
 |q2= What diagnostic steps would you take to find the cause of the problem?
 |a2= Perform skin scrapings, fungal cultures and skin biopsies to determine the cause.
-|l2=
+|l2= Sarcoptic Mange#Diagnosis
 |q3= What is the organism shown above and how would you treat it?
 |a3= This ''Sarcoptes'' mite was found after a skin scraping. Two to three injections of ivermectin is usually sufficient to cause resolution of the signs. Insecticidal dips may be too toxic, even diluted, for mice. Use any insecticide product in mice with great caution.
-|l3=
+|l3= Sarcoptic Mange#Treatment and Control
 |q4= What recommendations would you make regarding the other animals in the household?
 |a4= Consider the other mouse an asymptomatic carrier and treat it with ivermectin. Since the dog may not be suffering from allergies but rather a mite infestation, it is important to examine all household pets and people for mites. The household environment should be thoroughly cleaned.
-|l4=
+|l4= Sarcoptic Mange#Treatment and Control
 </FlashCard>

Small Mammals Q&A 05 - Revision history

Bara at 12:45, 16 August 2011

Lwyasm1 at 14:44, 20 June 2011

Lwyasm1 at 13:59, 20 June 2011

Lwyasm1: Created page with " {| align="left" width="100%" style="background-color:#04B4AE" |- | align="center" | Mansonlogo | align="left" | This ques..."

Lwyasm1: Created page with "
{| align="left" width="100%" style="background-color:#04B4AE" |- | align="center" | Mansonlogo | align="left" | This ques..."