Skin Flashcards

1
Q

The mnemonic for malignant melanoma ABCDEs

A

A- Asymmetry
B- Border (scalloped or notched)
C- Color (Very dark or more than 1 color seen)
D- Diameter (>6mm)
E- Evolution (change: bleeding, itchy, painful)

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2
Q

Skin cancer is classified as (3)

A
  1. Squamous cell carcinoma
  2. Basal call carcinoma
  3. Malignant melanoma
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3
Q

Skin that is dry, rough, and flaky could be indicative of

A

Hypothyroidism

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4
Q

Skin that is thin may signify (2)

A
  1. Arterial insufficiency

2. Systemic steroid use

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5
Q

Increased moisture or profuse sweating could be indicative of (2)

A
  1. Fever

2. Hyperthyroidism

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6
Q

Clammy cold skin could be indicative of

A
  1. Shock

2. Low blood pressure

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7
Q

Decreased skin moisture could be indicative of

A
  1. Hypothyroidism

2. Dehydration

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8
Q

Excessive hair loss (telogen effluvium) may occur with:

A
  1. Infection
  2. Hormonal disorders
  3. Thyroid disease
  4. Liver disease
  5. Drug toxicity
  6. Stress induced
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9
Q

What can cause patchy gray hair?

A

Nutritional deficiencies

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10
Q

Severe malnutrition in African American children may cause what?

A

Copper-red hair color

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11
Q

Excessive scaliness could be indicative of

A
  1. Dermatitis
  2. Psoriasis
  3. Infection
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12
Q

Non-melanoma skin tumors (basal cell carcinoma, squamous cell carcinoma) are often found in what physical exam finding of the hair?

A
  1. Alopecia
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13
Q

Beau’s lines (transverse depressions in the nail plate( occur after (2)

A
  1. An acute illness

2. Trauma to the nail (i.e. a manicure)

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14
Q

What does Paronychia look like and what is it caused by?

A
  1. Looks swollen, red, painful

2. Bacteria (staph aureus, strep pyogenes)

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15
Q

Describe onychomycosis

A

Fungal infection, yellow thickening and discoloration of the nail

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16
Q
  • Flat lesion
  • No elevation
  • No depression
  • Less than 1 cm
A

Macule

17
Q
  • Flat lesion
  • Greater than 1cm
  • Without elevation or depression
A

Patch

18
Q
  • Flat lesion
  • Elevated
  • Greater than 1cm
A

Plaque

19
Q

-Elevated but solid lesion, less than 1cm

A

Papule

20
Q

-Elevated, solid lesion greater than 1cm

A

Nodule

21
Q

-Elevated, fluid filled lesion, less than 1 cm

A

Vesicle

22
Q

Elevated, pus-filled lesion, usually less than 1 cm

A

Pustule

23
Q

Elevated, fluid filled lesion, greater than 1cm

A

Bulla

24
Q

Accurately describing the skin lesion involves:

A
  1. Primary morphology
  2. Size
  3. Demarcation
  4. Color
  5. Secondary morphology
  6. Distribution
25
Q

Secondary morphology-

Serum

A

Crusty (Impetigo)

26
Q

Secondary morphology- Fissure

A

Groove/cleft (Psoriasis)

27
Q

Secondary morphology- Lichenification

A

Thickening of the skin (Chronic rubbing, lichen simplex chronicus)

28
Q

Secondary morphology- Erosion

A

Partial loss of epidermis (scratching, minor skin injury)

29
Q

Secondary morphology- Ulceration

A

Pressure ulcer

30
Q

Secondary morphology- Scaling

A

Psoriasis, Ichthyosis

31
Q

Distribution: Extensor

A

Psoriasis

32
Q

Distribution: Generalized

A

Viral, drug reaction

33
Q

Distribution: Photodistributive

A

Lupus, dermatomyositis

34
Q

Mole (Nevi) exam:

A
  1. How many moles are there? (remove jewlery)
  2. How are they distributed?
    (Take 1 and 2 for the physical exam, head down to toes)
    Run your fingers over it
35
Q

A normal mole is

A

Symmetric

Less than 6cm

36
Q

Rashes related to a new drug usually stary

A

7-14 days after exposure. It can take 1-2 weeks after stopping for it to go away.

37
Q

A rash involving the extensor surfaces?
Think _____. A rash involving the
extensor surfaces? Think ______.

A

Psoriasis.

Atopic dermatitis.

38
Q

Classic presentation for Psoriasis.

A
Auspitz sign (pinpoint bleeding when
scale is scraped).
39
Q

Causes of generalized itching, without

apparent

A
rash, include dry skin; pregnancy;
uremia; jaundice; lymphomas
and leukemia; drug reactions; and,
less commonly, polycythemia vera and
thyroid disease.