254. Benign Skin Neoplasms

Question 1

Seborrheic Keratosis

Answer 1

Superficial, raised epidermal growths with “stuck-on” quality like globs of wax

May crumble, flake, lift-off revealing superficial waxy character

Question 2

Solar Lentigo

Answer 2

Flat, brown macules common on areas of extensive sun exposure (upper back, shoulders, chest) due to UV exposure

Question 3

Skin Tags (Acrochordons)

Answer 3

Soft fleshy papules

Question 4

Dermatofibroma

Answer 4

Single small round firm papule 0.5-1cm

Pink/Red/Brown, can be hyperpigmented

“Dimple Sign” - dimples when you squeeze around it

Question 5

Keloid

Answer 5

Firm, hyperpigmented, pink/red plaque/nodule
Shiny/smooth surface
at site of previously known tissue trauma (cut, shaving, burn, acne, piercing)

Question 6

Cherry Angioma

Answer 6

Shiny bright red papules

Question 7

Pyogenic granuloma

Answer 7

ERUPTIVE, small solitary sessile/pedunculated vascular (RED) raised papule

Bleeds easily with trauma

Relatively quick onset (rapidly evolving)

Question 8

Epidermal Inclusion cyst (EIC)

Answer 8

Mobile subcutaneous nodule with overlying punctum

Discharges foul smelling cheesy white material

Question 9

Lipoma

Answer 9

Soft, ill-defined, rubbery, painless, subcutaneous nodule

Question 10

Sebaceous Hyperplasia

Answer 10

Cream colored/yellow papule with central depression on face appearing after 40

Question 11

Hemangioma

Answer 11

Present at birth/first few weeks - raised, soft, easily compressed
Slowly disappears spontaneously through childhood