Difference between revisions of "Small Animal Dermatology Q&A 08"
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This is a case of dermatophytosis due to ''Microsporum gypseum''. The puppy contracted this dermatophyte while at the breeder’s home since several other littermates and the bitch also developed lesions. The puppies were also housed outside in a pen with a dirt floor. ''M. gypseum'' is a geophilic organism, and animals contract it from exposure to contaminated soil, often through digging. <br><br> | This is a case of dermatophytosis due to ''Microsporum gypseum''. The puppy contracted this dermatophyte while at the breeder’s home since several other littermates and the bitch also developed lesions. The puppies were also housed outside in a pen with a dirt floor. ''M. gypseum'' is a geophilic organism, and animals contract it from exposure to contaminated soil, often through digging. <br><br> | ||
This puppy was treated successfully with topical lime sulfur dips twice a week, for 8 weeks. The puppy was treated until two negative fungal cultures were obtained at 2 week intervals. Systemic antifungal therapy was not used in this puppy because it was <12 weeks of age. It is also important to inform the owner that this is a zoonotic disease. | This puppy was treated successfully with topical lime sulfur dips twice a week, for 8 weeks. The puppy was treated until two negative fungal cultures were obtained at 2 week intervals. Systemic antifungal therapy was not used in this puppy because it was <12 weeks of age. It is also important to inform the owner that this is a zoonotic disease. | ||
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|q2=Closer examination of the skin revealed that follicular plugging caused hyperpigmentation in this patient. What skin diseases are associated with follicular plugging? | |q2=Closer examination of the skin revealed that follicular plugging caused hyperpigmentation in this patient. What skin diseases are associated with follicular plugging? | ||
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*bacterial pyoderma, and | *bacterial pyoderma, and | ||
*seborrheic skin diseases. | *seborrheic skin diseases. | ||
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</FlashCard> | </FlashCard> | ||
Revision as of 09:50, 6 June 2011
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This question was provided by Manson Publishing as part of the OVAL Project. See more small animal dermatological questions |
A 10-week-old chow chow puppy is presented for hair loss, erythema, itching behind the right ear, and on the right rear foot. An area of ulceration on the digit is also present, and the owner reported the wound was self-inflicted. Upon questioning, the owner reports that the lesions slowly developed over 2 weeks, and that hair loss preceded pruritus.
| Question | Answer | Article | |
| What are the differential diagnoses, and what diagnostic tests are indicated? | This puppy has two major dermatological problems: pruritus and hair loss.
The most common causes of pruritus include
The diagnostics tests indicated are
This is a case of dermatophytosis due to Microsporum gypseum. The puppy contracted this dermatophyte while at the breeder’s home since several other littermates and the bitch also developed lesions. The puppies were also housed outside in a pen with a dirt floor. M. gypseum is a geophilic organism, and animals contract it from exposure to contaminated soil, often through digging. |
[[|Link to Article]] | |
| Closer examination of the skin revealed that follicular plugging caused hyperpigmentation in this patient. What skin diseases are associated with follicular plugging? | Follicular plugging with black debris is common in
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[[|Link to Article]] | |
