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This dog is showing classic signs of canine hyperadrenocorticism. Note the bilaterally symmetrical hair loss, pendulous abdomen and prepuce, and ‘rat tail’.
 
This dog is showing classic signs of canine hyperadrenocorticism. Note the bilaterally symmetrical hair loss, pendulous abdomen and prepuce, and ‘rat tail’.
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|l1=Hyperadrenocorticism
 
|q2=What are the possible pathophysiologies of ear tip necrosis in this dog?
 
|q2=What are the possible pathophysiologies of ear tip necrosis in this dog?
 
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Ear tip necrosis can be seen in cases of canine hyperadrenocorticism, particularly in breeds with small thin ear pinnae. The cause is unknown, but it may be related to micro thromboembolisms. <br><br>
 
Ear tip necrosis can be seen in cases of canine hyperadrenocorticism, particularly in breeds with small thin ear pinnae. The cause is unknown, but it may be related to micro thromboembolisms. <br><br>
 
Animals with hyperadrenocorticism bruise easily and the skin becomes thinner, possibly contributing to the development of these lesions. Finally, high concentrations of circulating glucocorticoids may affect healing of the lesions.
 
Animals with hyperadrenocorticism bruise easily and the skin becomes thinner, possibly contributing to the development of these lesions. Finally, high concentrations of circulating glucocorticoids may affect healing of the lesions.
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|l2=Thromboembolism
 
|q3=What other nonendocrine diseases can be characterized by ear tip necrosis?
 
|q3=What other nonendocrine diseases can be characterized by ear tip necrosis?
 
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Feline auricular chondritis is characterized by swollen, erythematous ears that are usually curled and deformed. <br><br>
 
Feline auricular chondritis is characterized by swollen, erythematous ears that are usually curled and deformed. <br><br>
 
Familial vasculopathy has been reported in young German shepherd dogs. It is inherited via an autosomal recessive trait, and affected dogs develop alopecia, crusts, and ulceration of the ear tips. Depigmentation and crusting of the footpads may be seen along with lethargy and pyrexia (Ferguson, 2002).
 
Familial vasculopathy has been reported in young German shepherd dogs. It is inherited via an autosomal recessive trait, and affected dogs develop alopecia, crusts, and ulceration of the ear tips. Depigmentation and crusting of the footpads may be seen along with lethargy and pyrexia (Ferguson, 2002).
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|l3=Vasculitis
 
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