Benign Skin Lesions Flashcards
M/C benign tumor of older people
Seborrheic Keratosis
Doughy brown black plaques, “stuck on” appearance
“Keratin Pearls” = pathognomonic
Seborrheic Keratosis
Where is Seborrheic Keratosis m/c located?
- Face
- Trunk
- Upper extremities
Where are fibroepithelial polyps “skin tags” commonly found?
Who is m/c affected?
- Intetrigenous area, axillae, inguinal folds, neck, eyelids
- M/C in elderly, pregnant, obese pts
How do you treat skin tags?
- Cryosurgery
- Shave removal
- ED
What is an Epidermoid Cyst?
What’re some causes?
- Giant clogged pore, collection of dead skin cells
- Genetics, Trauma, Inflammatory skin conditions like acne
What does an Epidermoid Cyst look like? Other clinical features?
- Mobile, dome shaped papule/nodule that may have a central punctum (small dark opening)
- Non-tender unless rupturedd
- Cheesy odor
Milia
Lil white baby acne (usu. on face, nose)
What’s a Lipoma?
How do you get rid of it?
- Benign “fatty” tumor that’s soft and mobile, no punctum
- Surgical excision
What’s a Dermatofibroma?
What sign is indicative of it?
What’s the more severe version of this called?
Where is it commonly found?
- Firm pigmented macule or dome-shaped papule/nodule
- (+) Dimple Sign: if you pinch it, it caves in
- Dermatofibrosarcoma protuberans (DFSP)
- On extremities (esp. legs in women)
How do you treat a Dermatofibroma?
Surgical excision!
What’s a keloid?
What does it look like?
Where is it m/c located?
- Overgrowth of benign fibrous tissue that’s typically itchy (excessive scar tissue)
- Firm solid pink/red papule/nodule/plaque
- M/C on chest, shoulders, back, ear lobes, jawline
T/F: A keloid spread beyond site of injury
True!!
What do we worry about with 6+ Cafe au lait (hyper pigmented light brown/dark brown macules)?
Neurofibromatosis (NF-1)
Telangiectasias can be treated with?
Lasers
The M/C cutaneous vascular proliferation
Cherry Angioma (benign dilated venules 0.1-0.4 cm)
Red macules or papules that inc in # over time
What’s a Hemangioma?
What’s it look like?
- M/C benign tumor of infancy (often develops right after birth an has a rapid growth phase)
- Looks like a strawberry
Does a Hemangioma go away on its own?
Yes! Spontaneous regression by 5-7 y/o
When is a Hemangioma considered problematic?
If it’s problematic and tx is necessary, what can you give?
- Only if located on the eyes, lips, nose
- Topical/Intralesional sterorids
- Topical Timolol 0.5% (BB)
Congenital capillary malformation
Port Wine Stain “Flame nevus” (often unilateral)
T/F: A Port Wine Stain goes away
False! Grows and thickens over time, doesn’t go away
What’s the difference between a callus and a clavus?
How’re they treated?
Callus: Nonpenetrating hyperkeratosis caused by pressure
Clavus (Corn): Circumscribed thickening of the skin with penetrating central core
- Avoid pressure
- Salicylic acid (405)
- Shave
Velvety brown plaques that look like dirt
Acanthosis Nigricans
Where is Acanthosis Nigricans commonly found?
What’s it associated with?
- Skin folds
- Associated with DIABETES, obesity, malignancy (encourage weight loss)