Miscellaneous skin conditions

Question 1

Urticaria and angioedema can be immune related or non-immune related. Give examples of non-immune mediated causes

Answer 1

Cold
Heat
Exercise
Stress
Sun

Question 2

Urticaria and angioedema can be immune related or non-immune related. What types of hypersensitivity can cause this?

Answer 2

Type 1 and 3

Question 3

What is the treatment for urticaria and angioedema? What if there is vasculitis?

Answer 3

Treat underlying cause
Immunosuppression or anti-histamines if chronic
Pentoxifylline for vasculitis

Question 4

Eosinophilic furunculosis is seen in young large breeds. What is the suspected trigger and how is this treated?

Answer 4

Insect bite

Immunosuppressive prednisolone dose for 10-14 days

Question 5

Acral lick dermatitis may be allergic, psychogenic or idiopathic. How is it treated?

Answer 5

Prevent self trauma - cover lesion +/- buster collar, behavioural modification
Treat secondary infections

Question 6

What is solar dermatitis?

Answer 6

Dermatitis caused by UV (B) light

Affects upigmented skin

Question 7

What is usually the cause of metabolic epidermal necrosis? (severe lesions around eyes and muzzle and hyperkeratosis of footpads)

Answer 7

Severe liver disease
e.g phenobarbitone
Prognosis poor - usually death within 2 months

Question 8

What is Golden Retriever Ichthyosis?

Answer 8

Cornification disorder - causes large, non-pruritic scales on ventrum, trunk and tail

Question 9

What is the treatment for Golden Retriever Ichthyosis?

Answer 9

Skin care

May improve with age

Question 10

Zinc responsive dermatosis is due to zinc intestinal malabsorption in what breeds? How is this treated?

Answer 10

Alaskan Malamutes
Huskies
Treat with zinc supplementation and prednisolone

Question 11

What is German Shepherd pyoderma?

Answer 11

Deep pyoderma of GSDs and Belgian Shepherds

May have underlying cause - CAD, hypothyroidism etc

Question 12

What is cutaneous lupus erythematosus? What is the treatment?

Answer 12

Autoimmune condition affecting skin only - mostly affects nose and causes depigmentation
UV protection of skin, immunosuppression, vit E and EFAs

Question 13

A dog has petechial haemorrhages on the skin. that do not blanch under a microscope slide. What is your diagnosis?

Answer 13

Vasculitis/vasculopathy

Question 14

What is Alabama rot officialy called?

Answer 14

Cutaneous and renal glomerular vasculopathy

Question 15

What is the treatment for papillomas?

Answer 15

Immunosuppression

Question 16

What is the difference between epitheliotropic and non-epitheliotropic cutaneous lymphoma?

Answer 16

Epitheliotropic - epidermis involved, T cells, in dogs

Non-epitheliotropic - dermis and subcutis, T or B cells, more common in cats

Question 17

What causes interdigital follicular cysts?

Answer 17

Chronic weight bearing on haired skin

Causes follicular damage and hair implantation leading to FB reaction

Question 18

What is the treatment for follicular cysts?

Answer 18

Steroids/immunosuppression
Surgery
Treatment for secondary infections - topical antiseptics for chronic draining lesions