Pigmented Lesions Flashcards
What does the Fitzpatrick skin type tell you?
Fairness of skin/Features
Tanning ability
What are the ABCDEs of when to worry about a mole?
Asymmetry Border Color Diameter Evolving
What are the considerations of an Atyical Nevi?
Appear near puberty
Inc risk of melanoma
What are the traits of Congenital Nevi?
Can have hair
Uniform in color
Flat. may become nodular
What are the traits of a junctional nevus?
Macule(flat) or slightly raised
Hairless
Junctional nevi
What is a compound nevus?
Elevated Vary in color Irregular or warty surface fair skin may regress w/ Hypopigmented Halo
Waht are the traits of Intradermal Nevi?
Nests of melanocytes in the dermis
Short Termnal hairs or pseudohorn cysts
older lesions may become pedunculated
What are the traits of Halo Nevi?
Round, sharply demarcated border
Usually on trunk
T lymphocytes
What are the traits of Speckled Lentiginous nevi?
Hairless, oval, or irregularly shaped brown lesion
Brown area flat, black dots are raised. Not from sun exposure
What are the traits of a Becker’s Nevus.
Adolescent men
Shoulders, submammary, upper/low back
What are the traits of Benign juvenile melanoma?
Look similar to melanoma
Hairless, red or brown, dome shaped papules or nodules
Inc VASCULARTIY. Bleeding following trauma. SUDDEN Onset
What is a Blue Nevus?
Large amount of brown pigment in dermis
Extremities and dorsum of hands
May turn to melanoma
What is a Labial Mlanotic Macule?
Brown macule
Lower lip
YA women
Benign
What are the traits of Vitiligo?
Acquired loss of pigmentation
AI disease?
Localized or generalized
What are nevus Anemicus?
Congenital Localized, pharm cutaneous anomaly.
on trunk
Friction, cold or heat doesn’t produce erythema
What are the traits of Tuberous Sclerosis skin lesions?
Hypopigmented macules; oval, ash-leaf, stippled
On arms, legs and trunk
Woods lamp aids Dx
What are the traits of Pityriasis alba?
Pts w/ Atopy
Onset before puberty
Face, neck arms, most common
Gradual scaling and hypopigmentation
What is the difference between Lentigo and freckles
…
What are the traits of Melasma?
Hyperpigmentation of face/neck
Caused by pregnancy
Slow devt without inflammation
What are the traits of Cafe au lait spots
Uniformly pale brown macules
May be present at birth
What are the traits of Erythema ab igne?
Cutaneous eruption w/ reticular pattern
Chronic heat exposure
What are the traits of Polymorphous light eruption?
MOST COMMON light induced skin disease
Lesions heal w/ out scarring
Comeodones erupt with a lot of skin exposure. Chronic exposure dec liklihood
What are the traits of Porphyria?
Inborn enzymatic defects in heme synth
Groups: Erythropoetic and hepatic
Acute porphyria
Skin sensitization
