Shared Flashcard Set

Details

Dermatology
Pigmentation Disorders
51
Medical
Graduate
09/02/2010

Additional Medical Flashcards

 


 

Cards

Term
1/2 cm - eraser head
Definition
How big can a mole be before you should worry about it?
Term
melanocytes
Definition
Where do nevus cells originate from?
Term
at the dermal-epidermal junction 
Definition
Where is a junctional nevi located?
Term
Compound Nevus
Definition
Nevus cells that invade the papillary dermis and are found in both the epidermis and the dermis?
Term
Dermis
Definition
Where are dermal nevus located?
Term
Clinical diagnosis
Definition
How is an atypical nevus diagnosed?
Term
Blue Nevus
Definition
Small dark blue to gray-black papule or nodule commonly found in individuals of Asian descent.
Term
Halo Nevus
Definition
A benign lesion characterized by complete depigmentation surrounding a pigmented nevus.
Term
Vitiligo
Definition
People with Halo Nevus have an increased risk for what other skin condition?
Term
Congenital Nevus
Definition
What is a mole that presents before the 6th month of life called?
Term

Males - trunk

Females - legs

Definition
The most common sites for the conversion of a congenital nevus to a malignant melanoma are where?
Term
Melanin
Definition
Freckles are an increase in _____ production.
Term

freckles: no melanocyte proliferation (increase)

 

lentigine: have melanocye proliferation

Definition
What is the difference between freckles and lentigines (age spots)?
Term
Lentigines (age spots)
Definition
Flat, brown spots, light tan to dark brown in color generally found in older children and adults. Found only on sun-exposed areas.
Term
1% retin-A topical
Definition
What treatment can you give for lentigines?
Term
Seborrheic Keratosis
Definition
Begin as a light tan macule, over time become more pigmented and elevated forming a plaque. Eventually evolve into a warty papule with a greasy texture and stuck on appearance.
Term
Vitiligo
Definition
 Chalk white to off-white macules with a generally round, oval or elongated shape. Borders appear to “flow” into the normal skin.
Term
Koebner Phenomenon
Definition
What is the appearance of lesions in areas of trauma?
Term
melanocytes
Definition
Vitiligo is a complete absence of _______.
Term
 results will occur within 6 months
Definition
If a pt tries repigmentation to treat their vitiligo, within how long should the treatment be working?
Term
Albinism
Definition
A genetic disorder which involves the synthesis of melanin?
Term
the eye!
Definition
What should you check when a pt presents with albinism?
Term
>30 SPF
Definition
What degree of sunscreen would you suggest for a pt with albinism?
Term
Piebaldism
Definition
What is it called when there is a patch of unpigmented hair within pigmented hair?
Term
Leukoderma
Definition
What is an acquired hypopigmentation associated with skin diseases, chemicals, internal disease and pigmented nevi?
Term
post-inflammatory hyperpigmentation
Definition
What is the most common secondary hyperpigmentation?
Term
Post-inflammatory hyperpigmentation
Definition
Increased pigment present over areas with previous inflammation such as scarring or acne.
Term
Cafe au lait spot
Definition
Well circumscribed, small or large, round or oval, pale brown patch.
Term
Neurfibromatosis
Definition
Cafe au lait spot is associated with what, especially when paired with axillary freckling?
Term
Mongolian Spot
Definition
Flat, blue to gray area of discoloration presenting in infancy and characteristically affecting the buttocks and sacrum.
Term
spinal cord defects
Definition
If a mongolian spot was over the lumbosacral area, what would you worry about?
Term
Melasma/Chloasma
Definition
 Irregular hyperpigmentation of the skin, seen in various shades of brown. Located over sides of the face, forehead, and sides of the neck. Sometimes associated with pregnancy or OCP's.
Term
Erythema Multiforme
Definition
Reaction pattern of the dermis with secondary epidermal changes. Exhibits characteristic erythematous target shaped papules and vesiculobullous lesions.
Term

Major Erythema Multiforme

 

*minor does not have any of these things

Definition
Which type of erythema multiforme has systemic symptoms, bulla and mucous membrane involvement?
Term

Major Erythema Multiforme

 

 

*the most severe form of MEM

Definition
What kind of skin infection is SJS considered?
Term
Toxic Epidermal Necrolysis (TEN)
Definition
Severe form of SJS. Skin becomes acutely tender with flaccid bullae which begin to sheet leaving a red, raw denuded area. Very similar to the appearance of the skin following a burn.
Term
30%
Definition
How much epidermal detachment is associated with TEN?
Term
Erythema Chronicans Migrans
Definition
Skin manifestation secondary to transmission of Borrelia burgdorferi (Spirochete) by the Ixodes tick.
Term

Doxycycline

 

*amoxicillin can be used too

Definition
What is the drug of choice for Erythema Chronicum Migrans?
Term
Erythema Toxicum Neonatorum
Definition
 Common rash of unknown etiology which occurs within 48 hours of birth with blotchy, macular or papular erythema on the face, trunk, and proximal limbs. Occasional superimposed pustules on the face. No systemic manifestations. Clears in 2—3 days.
Term
Staphylococcal scalded skin syndrome
Definition
A toxin mediated epidermnolytic disease characterized by erythema and widespread detachment of the superficial layers of the epidermis resembling scalding. Occurs mainly in newborns and infants <2 years old.
Term
Lichens Planus
Definition
Pruritic mucocutaneous disorder of unknown etiology with a distinct purple papular morphology. Lasts several months and may leave a temporary post inflammatory hyperpigmentation.
Term
Lichens Planus
Definition
 Presentation: Flat topped purple papules with Wickham’s striae, Whitish lace like network on the mucous membranes, and Pruritus vanes from mild to severe.
Term
Pemphigus
Definition
Rare, but serious autoimmune disorder resulting in flaccid blisters and painful erosions of the skin and mucous membranes.
Term
Nikolsky's Sign
Definition
This sign presents with dislodging the epidermis adjacent to the bulla with light finger pressure causing an ulcerated area. Pressure directly on the bulla Leads to Lateral extension of the blister.
Term
Pemphigus
Definition
 Autoimmune disorder classified by IgG antibodies against an antigen on the surface of the keratinocyte with loss of normal cell to cell cohesion. This results in a flaccid bulla.
Term
Bullous Pemphigoid
Definition
Autoimmune disorder presenting as a spontaneous chronic bullous eruption characterized by pruritic, tense blisters commonly occurring in the elderly.
Term
Sebaceous Cyst
Definition
Most common cutaneous cyst composed of a wall of true epidermis enclosed within the dermis. Cyst becomes filled with keratin and lipid rich debris.
Term
Lipoma
Definition
 Common benign subcutaneous tumor of the adipose tissue. Composed of fat cells with normal fat cell morphology.
Term
Dermatofibroma
Definition
 Very common, button like dermal nodule which usually occurs on the extremities and presents with the dimple sign.
Supporting users have an ad free experience!