Derm

Question 1

Answer 1

Symmetric Lupoid Onychodystrophy

Question 2

Answer 2

Eosinophilic Granuloma Complex
Indolent “Rodent” Ulcer

Question 3

Answer 3

Feline Acne

Question 4

Answer 4

Miliary Dermatitis

Question 5

Answer 5

Traumatic Alopecia

Question 6

Answer 6

Recurrent Bacterial Pyoderma

Question 7

Answer 7

Alopecia X

Question 8

Answer 8

Sebaceous Adentitis
Follicular Casting

Question 9

Answer 9

Superficial Necrolytic Dermatitis

Question 10

Answer 10

Bacterial Furunculosis

Question 11

Differentials?

Answer 11

DLE
Pemphigus
Epitheliotrophic Cutaneous T Cell Lymphoma

Question 12

Answer 12

Eosinophilic Folliculitis

Question 13

Answer 13

Vitiligo

Question 14

Answer 14

Xeromycteria

Question 15

Answer 15

Uveodermatologic Syndrome
VKH-Like Syndrome

Question 16

Answer 16

Erythema Multiforme
TMS Reaction

Question 17

Answer 17

Vasculitis

Question 18

What causes SLO?

Answer 18

Idiopathic
Immune-mediated

Question 19

How is SLO diagnosed?

Answer 19

Clinical signs
Biopsy (requires amputation of P3)

Question 20

How is SLO treated?

Answer 20

Pentoxifylline (30mg/kg BID)
Omega 3s (60mg/kg SID)
Cyclosporine (5mg/kg SID)
Doxy/niacinamide
Steroids

Question 21

What is the prognosis of SLO?

Answer 21

Treatment takes 3-6 months, can be lifelong
Goal is to eliminate pain and fracture
Nails will be dystrophic forever

Question 22

What causes superficial necrolytic dermatitis?

Answer 22

Severe liver disease
Cutaneous manifestation of cirrhosis

Question 23

How is superficial necrolytic dermatitis diagnosed?

Answer 23

Liver failure
“Swiss cheese liver”
Hypoalbuminemia
Diabetes
Skin biopsy

Question 24

What does superficial necrolytic dermatitis look like on histopathology?

Answer 24

Red: parakeratotic hyperkeratosis
White: edema (necrolysis)
Blue: epidermal hyperplasia

Question 25

How is superficial necrolytic dermatitis treated?

Answer 25

Manage underlying cause Diet (egg yolk, zinc, FAs, ultamino, EL?) Amino acids IV weekly

Question 26

What causes indolent ulcers?

Answer 26

Antigen driven eosinophilic infiltrate within skin and/or oral cavity

Question 27

What are differential diagnoses for indolent ulcers?

Answer 27

SCC Trauma

Question 28

How are indolent ulcers treated?

Answer 28

Can be abx responsive

Question 29

What is the pathogenesis of feline acne?

Answer 29

Focal abnormality of keratinization/possibly lipid production

Question 30

How is feline acne diagnosed?

Answer 30

Cytology (malassezia, bacteria) Deep skin scrape +/- trichogram (demodex) Dermatophyte culture +/- PCR

Question 31

How is mild/moderate feline acne treated?

Answer 31

Benign neglect Dermoscent (topical fatty acids) Duoxo calm (phytosphingosines) Seborrhea shampoos (sulfur/salicylic acid, benzoyl peroxide)

Question 32

How is moderate/severe feline acne treated?

Answer 32

Mupirocin Oral/injectable G (+) antibiotic +/- Systemic steroid

Question 33

What are causes of traumatic feline alopecia?

Answer 33

Fleas Atopy Food Bacterial pyoderma Dermatophytosis Ectoparasitism Demodex Malassezia Underlying irritation Hyperthyroidism Psychogenic

Question 34

What causes recurrent bacterial pyoderma?

Answer 34

Allergy Endocrinopathy Immunocompromise

Question 35

How is recurrent bacterial pyoderma treated?

Answer 35

Primary disease control PLUS Topical abx preferred (3x/week, then 2x/wk for maintenance)

Question 36

How long should superficial pyoderma be treated?

Answer 36

3 weeks (1 week after resolution of clinical signs)

Question 37

How long should deep pyoderma be treated?

Answer 37

4 - 6 weeks (2 weeks after resolution of clinical signs)

Question 38

What is the cause of alopecia X?

Answer 38

Follicular signaling problem

Question 39

How is alopecia X diagnosed?

Answer 39

Biopsy - flame follicles (catagen hairs with tricholemmal keratin at follicular base

Question 40

How is alopecia X treated?

Answer 40

Benign neglect Neutering Melatonin Triolostane? Deslorelin? Microneedling?

Question 41

What causes sebaceous adenitis?

Answer 41

Immune-mediated disease targeting sebaceous glands (absence)

Question 42

How is sebaceous adenitis diagnosed?

Answer 42

Biopsy - no sebaceous glands

Question 43

How is sebaceous adenitis treated?

Answer 43

Topical mineral oil Systemic cyclosporine Duoxo seborrhea shampoo

Question 44

How is bacterial furunculosis treated?

Answer 44

4-6 weeks of systemic antibiotics Topical antimicrobial prevention Control underlying cause Cyclosporine?

Question 45

What is the initial diagnostic plan for facial dermatoses?

Answer 45

Cytology Deep skin scrape Fungal culture/PCR *Biopsy for noninfectious causes*

Question 46

How is eosinophilic folliculitis and furunculosis treated?

Answer 46

Prednisone 2 mg/kg SID for 1 week, then taper

Question 47

What is the pathogenesis of vitiligo?

Answer 47

Melanocyte destruction Non-inflammatory

Question 48

How is vitiligo treated?

Answer 48

No treatment - cosmetic Requires sunscreen

Question 49

How is nasal hyperkeratosis treated?

Answer 49

Question 50

What is the pathogenesis of xeromycteria?

Answer 50

Loss of parasympathetic innervation to lateral nasal gland *Otitis media*

Question 51

What drugs are most commonly associated with cutaneous drug eruptions?

Answer 51

NSAIDs Penicillins Cephalosporins

Question 52

Describe the concept of diascopy

Answer 52

Blanching = inflammation Non-blanching = hemorrhage

Question 53

What is the pathogenesis of VKH-like syndrome?

Answer 53

Immune-mediated disease that attacks melanocytes

Question 54

How is VKH-like syndrome treated?

Answer 54

Treat eyes first!!! Cyclosporine (derm) Mycophenolate (eyes)

Question 55

What is the pathogenesis of erythema multiforme?

Answer 55

Immune-mediated destruction (apoptosis) of keratinocytes

Question 56

How is EM treated?

Answer 56

Remove cause Topical, systemic antimicrobials Pred Cyclosporine

Question 57

What is the pathogenesis of vasculitis?

Answer 57

Increased permeability (edema, hemorrhage, ischemia)

Question 58

How is vasculitis treated?

Answer 58