Canine hypoadrenocorticism: Part I |
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Authors: | Susan C Klein Mark E Peterson |
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Institution: | 2 Red Oak Row, Chester, New Jersey 07930 USA (Klein); Department of Medicine, The Animal Medical Center, 510 East 62 Street, New York, New York 10065 USA (Peterson) |
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Abstract: | Hypoadrenocorticism (Addison’s disease) has been referred to as “the great pretender,” due to its ability to mimic other common diseases in the dog and thereby represent a diagnostic challenge. Naturally occurring hypoadrenocorticism is an uncommon canine disease. Young, female dogs are overrepresented. Hypoadrenocorticism typically results from immune-mediated destruction of all adrenocortical layers, resulting in deficiencies of min-eralocorticoids (aldosterone) and glucocorticoids (cortisol). A small number of dogs suffer from glucocorticoid deficiency only. Dogs suffering from hypoadrenocorticism may present in a variety of conditions, from a mildly ill dog to a shocky and recumbent dog. This review discusses etiology, pathophysiology, history, physical examination findings, and diagnostic findings in the Addisonian patient. A follow-up article (Part II) will discuss the definitive diagnosis and management strategies for these patients. |
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