Module 1 MiniModule 3: Diagnosis in Dermatology - History and PE

Question 1

List the major problems:

Answer 1

• Pruritus
• Papules
• Pustules
• Alopecia
• Scaling/Crusting
• Nodules
• Vesicles/Ulcers
• Comedones
• Otitis

Question 2

(the “list” cards are not necessarily coming in exam 1 (min 21))
List the major categories of pruritic diseases:

Answer 2

• Allergic
• Parasitic
• Infectious

Question 3

List major categories for papules:

Answer 3

• Infectious
• Parasitic

Question 4

List major categories for pustules:

Answer 4

• Infectious
• Autoimmune
• Parasitic

Question 5

List major categories for scaling/crusting:

Answer 5

• Infectious
• Parasitic
• Autoimmune
• Keratinization disorders

Question 6

List major categories for nodules:

Answer 6

• Neoplastic
• Non-neoplastic
  - Infectious
  - Non-infectious

Question 7

List major categories for comedones:

Answer 7

• Infectious
• Parasitic
• Keratinization disorder
• Metabolic

Question 8

List major categories for vesicles/bullas (primary lesions) and erosions/ulcers (secondary lesions):

Answer 8

• Infectious
• Parasitic
• Autoimmune
• Vasculitis
• Metabolic

Question 9

Which of the following signalments is the least helpful?
a. Age of onset of disease
b. Breed
c. Gender

Answer 9

c. Gender

Question 10

What may be a source of important information?

Answer 10

History

Question 11

Lesion:
Hives

Answer 11

Urticaria

Question 12

Lesion:
Rash

Answer 12

Papules

Question 13

Lesion:
Red skin

Answer 13

Erythema

Question 14

(T/F) Asking for the location of the skin disease is NOT an important question

Answer 14

False, it is one of the most important questions

Question 15

If you see lesions on the edge of the ear/pinna, elbows, hocks, and a ventral papular eruption (abdomen area), it is most likely what?

Answer 15

Sarcoptic Mange

Question 16

If you see lesions affecting the face, the periocular, paws, has distal limb pruritus, and ventral axillary, groin, and perianal, it is most likely what?

Answer 16

Atopic Dermatitis or Cutaneous Adverse Food Reaction

Question 17

If you have lesions only in the “pants” area, it is most likely what?

Answer 17

Flea Allergy Dermatitis

Question 18

2-year-old MC Chinese Shar-pei

History: 1-year history of pruritus graded as a 7/10. The pruritus is associated with his face, limbs, and paws. The owner reports he has a bad smell. Previous treatments include oral antibiotics and oral steroids. He is on Nexgard in the summer. The owner has pruritic arms. Dermatologic Exam: There is alopecia, lichenification, hyperpigmentation, and erythema of his face, distal limbs, and paws.

What is the major problem?

Answer 18

Pruritus

Question 19

2-year-old MC Chinese Shar-pei

History: 1-year history of pruritus graded as a 7/10. The pruritus is associated with his face, limbs, and paws. The owner reports he has a bad smell. Previous treatments include oral antibiotics and oral steroids. He is on Nexgard in the summer. The owner has pruritic arms. Dermatologic Exam: There is alopecia, lichenification, hyperpigmentation, and erythema of his face, distal limbs, and paws.

Major problem: Pruritus

What is the most useful information for formulating your differentials for Pruritus?

Answer 19

Pruritus involves the face, limbs and paws