Skin and Nails

Question 1

Seven S

Answer 1

Size
Shape
Shade
Surface 
Surrounding skin and border
Spatial relationships 
Symptoms

Question 2

Melanoma screening

Answer 2

Asymmetry
Border - blurry and/or jagged edges
Color- mole that has more than one color
Diameter- Most with the diameter larger than the pencil eraser (6mm or 1/4 inch)
Evolution - A mole that has gone through sudden changes in size, shape or color

Question 3

Macule

Answer 3

Flat,pigmented, circumscribed area less than 1cm in diameter
Examples: freckles, flat mole or rash that occurs in rubella

Question 4

Papule

Answer 4

SOLID elevated lesion <1cm in diameter that maybe the same color as the skin or pigmented
Examples: Nevis, wart, pimple, ringworm, psoriasis, eczema

Question 5

Nodule

Answer 5

Palpable circumscribed lesion larger and deeper than a papule 0.6 to 2 cm in diameter ; extends into dermal area

Examples: Intradermal Nevus, benign or malignant tumor

Question 6

Tumor

Answer 6

Solid elevated lesion larger than 2cm in diameter that extends into dermal and subcutaneous layers

Examples: lipoma, steatoma, dermatofibroma, hemangioma

Question 7

Wheal

Answer 7

Elevated firm rounded lesion with localized skin edema (swelling) that varies in size, shape and color; Paler in the center than its surrounding edges; accompanied by itching

Examples: hives, insect bites, urticaria

Question 8

Vesicles

Answer 8

Elevated circumscribed Fluid filled lesion Less than 0.5 CM in diameter

Examples: Poison ivy, shingles, chickenpox

Question 9

Pustules

Answer 9

Small raised circumscribed lesion that contains pus; Usually less than 1CM in diameter

Examples: acne, furuncle, pustular psoriasis, scabies

Question 10

Bulla

Answer 10

A vertical or blister larger than 1cm in diameter.

Example second-degree burns, severe poison oak, poison ivy

Question 11

Crust

Answer 11

Dry serum, blood or pus on the surface of the skin

Examples: impetigo, acute eczematous inflammation

Question 12

Atrophy

Answer 12

Thinning of the skin surface and loss of the markings

Examples: striae, aged skin

Question 13

Erosion

Answer 13

Loss of epidermis

Example: ruptured chickenpox vesicles

Question 14

Ulcer

Answer 14

Depressed lesion of the epidermis and upper

Question 15

ABCD-EFG mnemonic for malignant skin

Answer 15

Asymmetry
Border irregularities 
Color variations 
Diameter >6 mm
Evolution 
Elevated 
Firm
Growing

Question 16

Seborrheic keratosis

Answer 16

Entirely benign lesions that do not carry risk of cancer

Question 17

USPSTF recommendation for skin cancer screening

Answer 17

USPSTF recommends against Rountine screening

Question 18

Atopic dermatitis

Answer 18

often accompanied by rash on the inside of the elbows and knees in childhood.

Question 19

Tinea capititis

Answer 19

Hair breaks along the shaft suggest damage from hair care or tinea capitis.

Question 20

telogen affluvium and alopecia areata

Answer 20

Hair shredding at the roots

Question 21

The most common skin cancer is

Answer 21

The most common skin cancer is basal cell carcinoma (BCC), followed by squamous cell carcinoma (SCC), and melanoma.