18 Metabolic epidermal necrosis INITIAL PRESENTATION Erythema, crusting, exudation and fissuring associated with hepatic disease in a dog. INTRODUCTION Metabolic epidermal necrosis (MEN), also known as superficial necrolytic dermatitis, necrolytic…
13 Sebaceous adenitis INITIAL PRESENTATION Alopecia, scaling and follicular casts. INTRODUCTION Sebaceous adenitis is a scaling, variably pruritic skin disorder of uncertain aetiology. The disease results in the inflammation and…
39 Introduction to skin and hair pigmentation Skin and hair colour is genetically determined and is mainly due to the presence of melanin pigment. Melanin is produced by melanocytes, cells…
22 Hypothyroidism INITIAL PRESENTATION Symmetrical alopecia with hyperpigmentation and mild scaling. INTRODUCTION Despite being the most common endocrinopathy, hypothyroidism can be a challenging disease to diagnose. Although there are many…
46 Sterile pyogranulomatous nodular dermatitis INITIAL PRESENTATION Nodules, alopecia and draining tract in an 18-month-old Labrador. INTRODUCTION Nodules are raised elevations of the skin, of 1 cm or more in…
25 Canine recurrent flank alopecia INITIAL PRESENTATION Symmetrical alopecia with mild scaling and hyperpigmentation. INTRODUCTION Canine recurrent flank alopecia is characterized by symmetrical seasonal hair loss affecting the thorax and…
6 Atopic dermatitis INITIAL PRESENTATION Pruritus with erythema, alopecia, papules and epidermal collarettes. INTRODUCTION Atopic dermatitis is a genetically determined pruritic dermatitis, associated with an immediate (type 1) hypersensitivity to…
42 Lentigo simplex INITIAL PRESENTATION Hyperpigmented macules on the nasal planum and lip margins in a cat. INTRODUCTION Hyperpigmentation (also referred to as melanoderma or hypermelanosis) is an increase in…
54 Feline plasma cell pododermatitis INITIAL PRESENTATION Swollen and haemorrhaging footpads in a cat. INTRODUCTION Feline plasma cell pododermatitis is an uncommon inflammatory disease of the footpads. Its precise aetiology…
51 Feline cowpox virus infection INITIAL PRESENTATION Facial dermatitis and distal limb cellulitis in a cat. INTRODUCTION Cowpox virus infections in cats, although uncommon, have been increasingly recognized in certain…
