SAM II Final Exam - Derm Lesion Identification

Question 1

Identify the type of skin lesion.

Is it primary or secondary?

Answer 1

macule

• primary skin lesion*
• Examples: Hemorrhage, lentigo, vitiligo*

Question 2

Identify the type of skin lesion.

Is it primary or secondary?

Answer 2

papule

• primary skin lesion*
• Examples: Bacterial or fungal infection, infectious or sterile granuloma*

Question 3

Identify the type of skin lesion.

Is it primary or secondary?

Answer 3

pustule

• primary skin lesion*
• Examples: Bacterial infection, pemphigus foliaceous*

Question 4

Identify the type of skin lesion.

Is it primary or secondary?

Answer 4

plaque

• primary skin lesion*
• Examples: Calcinosis cutis, reactive histiocytosis, eosinophilic plaque*

Question 5

Identify the type of skin lesion.

Is it primary or secondary?

Answer 5

nodule

• primary skin lesion*
• Examples: Bacterial or fungal infection, infectious or sterile granuloma*

Question 6

Identify the type of skin lesion.

Is it primary or secondary?

Answer 6

vesicle

primary skin lesion

Question 7

Identify the type of skin lesion.

Is it primary or secondary?

Answer 7

wheal

• primary skin lesion*
• Examples: Insect bites, urticaria, allergic reaction*

Question 8

Identify the type of skin lesion.

Is it primary or secondary?

Answer 8

wheal

• primary skin lesion*
• Examples: Insect bites, urticaria, allergic reaction*

Question 9

Identify the type of skin lesion.

Is it primary or secondary?

Answer 9

epidermal collarette

• secondary skin lesion*
• Examples: Superficial bacterial infection, insect bite, fungal infection*

Question 10

Identify the type of skin lesion.

Is it primary or secondary?

Answer 10

lichenification

• secondary skin lesion*
• Example: Chronic dermatitis*

Question 11

Identify the type of skin lesion.

Is it primary or secondary?

Answer 11

comedones

• can be primary or secondary*
• Examples: Canine solar (actinic) dermatosis, chin acne, Schnauzer comedo syndrome, hyperadrenocorticism*

Question 12

Flat spot (< 1 cm) on skin with change in skin color. What is the lesion? Is it primary or secondary?

Answer 12

macule

• primary skin lesion*
• Examples: Hemorrhage, lentigo, vitiligo*

Question 13

Macule > 1 cm in size. What is the lesion? Is it primary or secondary?

Answer 13

patch

primary skin lesions

Question 14

This is a type of macule caused by bleeding into the skin. What is the lesion? Is it primary or secondary?

Answer 14

purpura

primary skin lesion

Question 15

Small, solid elevation in skin up to 1 cm in diameter. What is the lesion? Is it primary or secondary?

Answer 15

papule

• primary skin lesion*
• Examples: Bacterial or fungal infection, infectious or sterile granuloma*

Question 16

Coalition of papules forming flat-topped elevation. What is the lesion? Is it primary or secondary?

Answer 16

plaque

• primary skin lesion*
• Examples: Calcinosis cutis, reactive histiocytosis, eosinophilic plaque*

Question 17

Small elevation of epidermis filled with pus. What is the lesion? Is it primary or secondary?

Answer 17

pustule

• primary skin lesion*
• Examples: Bacterial infection, pemphigus foliaceous*

Question 18

Elevation of epidermis filled with clear fluid. What is the lesion? Is it primary or secondary?

Answer 18

vesicle

primary skin lesion

Question 19

Vesicle or pustule >1 cm in diameter. What is the lesion? Is it primary or secondary?

Answer 19

bulla

primary skin lesion

Question 20

Sharply delineated lesion of edema. What is the lesion? Is it primary or secondary?

Answer 20

wheal

• primary skin lesion*
• Examples: Insect bites, urticaria, allergic reaction*

Question 21

Large palpable mass - neoplastic enlargement. What is the lesion? Is it primary or secondary?

Answer 21

tumor

• primary skin lesion*
• Examples: Lipoma, mast cell tumor, squamous cell carcinoma*

Question 22

Epithelial lined cavity with solid or fluid material. What is the lesion? Is it primary or secondary?

Answer 22

cyst

• primary skin lesion*
• Examples: Follicular cyst, dermoid cyst, apocrine gland cyst*

Question 23

Scale arranged in circular pattern; associated with pustule, vesicle, or bullae. What is the lesion? Is it primary or secondary?

Answer 23

epidermal collarette

• secondary skin lesion*
• Examples: Superficial bacterial infection, insect bite, fungal infection*

Question 24

Linear abrasion of the skin. What is the lesion? Is it primary or secondary?

Answer 24

excoriation

• secondary skin lesion*
• Example: Abrasion or scratch*

Question 25

Shallow ulcer that does not break basal layer. What is the lesion? Is it primary or secondary?

Answer 25

**erosion** * secondary skin lesion* * Examples: Secondary to vesicle or pustule rupture or secondary to surface trauma*

Question 26

Break in epidermis with exposure of the dermis. What is the lesion? Is it primary or secondary?

Answer 26

**ulcer** * secondary skin lesion* * Examples: Ischemic lesions resulting from vasculitis, indolent ulcer, feline herpesvirus infection, feline ulcerative dermatosis syndrome*

Question 27

Linear cleavage (cracks) in the epidermis or dermis caused by disease or injury. What is the lesion? Is it primary or secondary?

Answer 27

**fissure** ## Footnote * secondary skin lesion* * Examples: Pawpad fissure seen in pemphigus foliaceous, superficial necrolytic dermatitis, or digital hyperkeratosis*

Question 28

Thickening and hardening of the skin (note the exaggerated skin lines). What is the lesion? Is it primary or secondary?

Answer 28

**lichenification** * secondary skin lesion* * Example: Chronic dermatitis*

Question 29

A localized hyperplasia of the stratum corneum of the epidermis caused by pressure or friction. What is the lesion? Is it primary or secondary?

Answer 29

**callus** * secondary skin lesion* * Example: Trauma over bony prominence such as elbow or sternum*

Question 30

Absence of hair from area where it is normally present. What is the lesion? Is it primary or secondary?

Answer 30

**alopecia** *can be primary or secondary skin lesion*

Question 31

Accumulation of loose fragments of horny layer of skin. What is the lesion? Is it primary or secondary?

Answer 31

**scale** * can be primary or secondary skin lesion​* * Examples: Cornification disorders, sebaceous adenitis, ichthyosis*

Question 32

Accumulation of dried serum, exudate on surface of skin. What is the lesion? Is it primary or secondary?

Answer 32

**crust** * can be primary or secondary skin lesion* * Examples: Chronic stage of pustular disease such as staphylococcal infection or pemphigus foliaceous*

Question 33

Accumulation of keratin & sebaceous material stuck to a hair shaft. What is the lesion? Is it primary or secondary?

Answer 33

**follicular casts** *can be primary or secondary skin lesion*

Question 34

Pyodermas can be separated into types based on the layer of skin they affect. What type of pyoderma is shown below?

Answer 34

**surface pyoderma** * The image shows _pyotraumatic dermatitis_ (hot spot).* * Pyotraumatic dermatitis and intertrigo (fold rash) are the two main examples of surface pyoderma*

Question 35

Pyodermas can be separated into types based on the layer of skin they affect. What type of pyoderma is shown below?

Answer 35

**surface pyoderma** * The image shows _intertrigo_ (skin fold dermatitis).* * Pyotraumatic dermatitis and intertrigo (fold rash) are the two main examples of surface pyoderma*

Question 36

Pyodermas can be separated into types based on the layer of skin they affect. What type of pyoderma is shown below on this puppy?

Answer 36

**superficial pyoderma** * The image shows impetigo (puppy pyoderma).* * Impetigo and superficial bacterial folliculitis are the two main examples of superficial pyoderma*

Question 37

Pyodermas can be separated into types based on the layer of skin they affect. What type of pyoderma is shown below?

Answer 37

**superficial pyoderma** * The image shows _superficial bacterial pyoderma_* * Impetigo and superficial bacterial folliculitis are the two main examples of superficial pyoderma*

Question 38

Pyodermas can be separated into types based on the layer of skin they affect. What type of pyoderma is shown below?

Answer 38

**deep pyoderma** * The image shows a lick granuloma (acral lick dermatitis)* * Folliculitis/furunculosis and lick granuloma are the two main examples of deep pyoderma*