Page 121 - Rule Outs in Small Animal Medicine, Problem-oriented Assessment of Problems in Physical Examination and Clinical Pathology, 2nd Edition
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Dermatology Dermatology
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Pruritus
No skin lesions Skin lesions
Autoimmune
Immune reaction Allergy Infection Ectoparasites Skin tumour Allergy Infection Ectoparasites
disease
– Adverse drug – Food allergy – Secondary – Sarcoptes – Mast cell – Pemphigus – Flea allergy – Secondary – Sarcoptic mange
reaction – Environmental bacterial incognito tumour foliaceus – Food allergy bacterial – Demodicosis
allergy infection – Epitheliotropic – Environmental infection – Massive flea
– Secondary T-cell lymphoma allergy – Secondary infestation
Malassezia – Contact allergy Malassezia
infection infection
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