56 Lupoid onychodystrophy INITIAL PRESENTATION Claw abnormalities and pain in a Rhodesian ridgeback. INTRODUCTION Lupoid onychitis, also known as symmetrical lupoid onychodystrophy, is considered to be an immune-mediated cutaneous reaction…
12 Introduction to crusting and scaling The outermost layer of the skin, the epidermis, is made up of multiple layers of cells (Fig. 12.1). The predominant cell type is the…
53 Cutaneous lupus erythematosus INITIAL PRESENTATION Ulceration, crusting and leucoderma on the nasal planum in a dog. INTRODUCTION Although discoid (cutaneous) lupus erythematosus is uncommon, it is still the most…
32 Introduction to ulcerative and erosive dermatoses EROSIONS AND ULCERS An erosion is a lesion involving loss of some or all of the layers of the epidermis, but without disruption…
29 Alopecia areata INITIAL PRESENTATION Multifocal, non-inflammatory alopecia and leucotrichia in a Labrador retriever. INTRODUCTION Alopecia is a frequent presentation in the dog. The most common causes include hair loss…
17 Pemphigus foliaceus in a cat INITIAL PRESENTATION Crusting skin disease. INTRODUCTION Pemphigus foliaceus is an uncommon, sterile pustular, autoimmune skin disease that is recognized in both dogs and cats….
24 Alopecia X in a Pomeranian INITIAL PRESENTATION Symmetrical, truncal, non-inflammatory alopecia in a Pomeranian. INTRODUCTION Symmetrical, truncal, non-inflammatory alopecia can occur for a number of different reasons, including follicular…
4 Sarcoptic mange INITIAL PRESENTATION Pruritus with erythema, alopecia, papules, crusting and scaling. INTRODUCTION Sarcoptic mange (also referred to as scabies) is a highly contagious, intensely pruritic and potentially zoonotic…
43 Hyperpigmentation due to hypothyroidism INITIAL PRESENTATION Marked ventral hyperpigmentation in a cross-bred dog. INTRODUCTION Hyperpigmentation is a frequent presentation in canine skin disease and is most commonly the result…
33 Erythema multiforme INITIAL PRESENTATION Oral, pinnal, footpad and truncal erosions and ulceration. INTRODUCTION Erythema multiforme is an immune-mediated, pleomorphic skin disease that frequently results in erosions and ulcerations over…
