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Dermatopathology
/content/chapter/10.22233/9781910443811.chap5
Dermatopathology
- Author: David H. Shearer
- From: BSAVA Manual of Canine and Feline Dermatology
- Item: Chapter 5, pp 41 - 48
- DOI: 10.22233/9781910443811.5
- Copyright: © 2021 British Small Animal Veterinary Association
- Publication Date: September 2021
Abstract
This chapter discusses gross lesions and histological changes. It provides an overview of the patterns used in dermatopathological interpretation.
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/content/chapter/10.22233/9781910443811.chap5
Figures
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Perivascular dermatitis (the ‘dermatitis reaction’). Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Perivascular dermatitis (the ‘dermatitis reaction’). Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Perivascular dermatitis in a canine skin sample. © 2021 British Small Animal Veterinary Association
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Perivascular dermatitis in a canine skin sample.
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Interface dermatitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Interface dermatitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Cell-rich interface dermatitis with single cell necrosis and satellitosis (arrowed) (cytotoxic dermatitis) in a canine skin sample. © 2021 British Small Animal Veterinary Association
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Cell-rich interface dermatitis with single cell necrosis and satellitosis (arrowed) (cytotoxic dermatitis) in a canine skin sample.
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Cell-poor interface dermatitis (ischaemic dermatitis) in a canine skin sample. © 2021 British Small Animal Veterinary Association
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Cell-poor interface dermatitis (ischaemic dermatitis) in a canine skin sample.
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Vasculitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Vasculitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Cutaneous vasculitis in a canine skin sample. Note the degeneration of the blood vessel wall (arrowed) and nuclear debris with microhaemorrhage in the surrounding dermis. © 2021 British Small Animal Veterinary Association
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5.10
Cutaneous vasculitis in a canine skin sample. Note the degeneration of the blood vessel wall (arrowed) and nuclear debris with microhaemorrhage in the surrounding dermis.
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Nodular and/or diffuse dermatitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Nodular and/or diffuse dermatitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Nodular dermatitis due to a dermal fungal infection (Alternaria spp.) in a canine skin sample. © 2021 British Small Animal Veterinary Association
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Nodular dermatitis due to a dermal fungal infection (Alternaria spp.) in a canine skin sample.
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Intraepidermal vesicular/pustular dermatitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Intraepidermal vesicular/pustular dermatitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Subcorneal pustular dermatitis with acantholytic keratinocytes (pemphigus foliaceus) in a canine skin sample. © 2021 British Small Animal Veterinary Association
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Subcorneal pustular dermatitis with acantholytic keratinocytes (pemphigus foliaceus) in a canine skin sample.
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Subcorneal pustular dermatitis with no evidence of acantholytic keratinocytes, degenerate neutrophils and bacteria (bacterial pyoderma) in a feline pad skin sample. © 2021 British Small Animal Veterinary Association
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Subcorneal pustular dermatitis with no evidence of acantholytic keratinocytes, degenerate neutrophils and bacteria (bacterial pyoderma) in a feline pad skin sample.
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Subepidermal vesicular/pustular dermatitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Subepidermal vesicular/pustular dermatitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Subepidermal vesicular dermatosis (bullous drug reaction) (arrowed) in a canine pinna skin sample. © 2021 British Small Animal Veterinary Association
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Subepidermal vesicular dermatosis (bullous drug reaction) (arrowed) in a canine pinna skin sample.
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Folliculitis/perifolliculitis/furunculosis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Folliculitis/perifolliculitis/furunculosis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Folliculitis and furunculosis (deep bacterial pyoderma) in a canine skin sample. © 2021 British Small Animal Veterinary Association
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Folliculitis and furunculosis (deep bacterial pyoderma) in a canine skin sample.
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Panniculitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Panniculitis. Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Panniculitis caused by vasculitis in a canine skin sample. © 2021 British Small Animal Veterinary Association
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Panniculitis caused by vasculitis in a canine skin sample.
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Atrophic dermatopathy (hair cycle slowing or arrest). Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Atrophic dermatopathy (hair cycle slowing or arrest). Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Atrophic dermatopathy in a canine skin sample. Follicular keratosis (black arrow); atrophied hair follicles (yellow arrow) and epidermal atrophy (arrowhead). © 2021 British Small Animal Veterinary Association
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Atrophic dermatopathy in a canine skin sample. Follicular keratosis (black arrow); atrophied hair follicles (yellow arrow) and epidermal atrophy (arrowhead).
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Metabolic dermatosis (parakeratotic hyperkeratosis, epidermal pallor and acanthosis; so-called red, white and blue). Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission. © 2021 British Small Animal Veterinary Association
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Metabolic dermatosis (parakeratotic hyperkeratosis, epidermal pallor and acanthosis; so-called red, white and blue). Drawn by S.J. Elmhurst BA Hons (www.livingart.org.uk) and reproduced with her permission.
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Metabolic dermatosis with characteristic red (parakeratotic hyperkeratosis), white (epidermal pallor) and blue (acanthosis) areas in a canine pad skin sample. © 2021 British Small Animal Veterinary Association
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Metabolic dermatosis with characteristic red (parakeratotic hyperkeratosis), white (epidermal pallor) and blue (acanthosis) areas in a canine pad skin sample.