E. Simko WCVM. Morphology of skin lesions - Primary - non palpable E. Simko WCVM

Primary lesions:

Primary or secondary:

Secondary lesions:

Macule or patch Alopecia Collarette

Papule or plaque Scale Scar

Wheal Crust Excoriation

Nodule Follicular cast Erosion/ulceration

Vesicle or bulla Comedo Fissure

Pustule Pigment abnormalities Lichenification

Cyst Hyperkeratosis Callus

E. Simko WCVM

Morphology of skin lesions - Primary - non palpable

E. Simko WCVM

E. Simko WCVM

Morphology of skin lesions - Primary - palpable

1 cm 1 cm1 cm

E. Simko WCVM

Morphology of skin lesions - Primary - palpable

1 cm1 cm

E. Simko WCVM

Morphology of skin lesions - Primary - cavitated

E. Simko WCVM

Morphology of skin lesions - Primary - cavitated

E. Simko WCVM

Morphology of skin lesions - Primary - cavitated

Primary lesions:

Primary or secondary:

Secondary lesions:

Macule or patch Alopecia Scar

Papule or plaque Scale Erosion/ulceration

Wheal Crust Excoriation

Nodule Follicular cast Fissure

Vesicle or bulla Comedo Lichenification

Pustule Pigment abnormal. Callus

Cyst Hyperkeratosis Collarette

E. Simko WCVM

Primary: • endocrine dermatoses• follicular dysplasia

Secondary: • trauma• inflammation

Morphology of skin lesions - Primary or Secondary

Primary: • endocrine dermatoses• primary seborrhea

Secondary: • chronic inflammation

E. Simko WCVM

Morphology of skin lesions - Primary or Secondary

Primary: • primary seborrhea• zinc-responsive dermatoses

Secondary: • pyoderma• chronic pruritic dermatosis

E. Simko WCVM

Morphology of skin lesions - Primary or Secondary

Morphology of skin lesions - Primary or Secondary

Primary: • primary seborrhea• sebaceous adenitis

Secondary: • demodicosis • dermatophytosis

E. Simko WCVM

Primary: • feline acne • vit A-responsive dermatoses• Schnauzer comedo syndrome

Secondary: • seborrhea

E. Simko WCVM

Morphology of skin lesions - Primary or Secondary

• Hyperpigmentation

• Hypopigmentation

• Other skin pigments

bile pigments (icterus), hemorrhage (bruises)

E. Simko WCVM

Morphology of skin lesions - Primary or Secondary

Primarylesions:

Primary orsecondary:

Secondarylesions:

Macule or patch Alopecia Scar

Papule or plaque Scale Erosion/ulceration

Vesicle or bulla Crust Excoriation

Pustule Follicular cast Fissure

Wheal Comedo Lichenification

Nodule Pigment abnormal. Callus

Cyst Hyperkeratosis Collarette

E. Simko WCVM

E. Simko WCVM

Morphology of skin lesions - Secondary

E. Simko WCVM

Morphology of skin lesions - Secondary

E. Simko WCVM

Morphology of skin lesions - Secondary

E. Simko WCVM

Morphology of skin lesions - Secondary

E. Simko WCVM

Morphology of skin lesions - Secondary

E. Simko WCVM

Morphology of skin lesions - Secondary

E. Simko WCVM

Morphology of skin lesions - Secondary

E. Simko WCVM

Morphology of skin lesions - Secondary