Exam 1 derm key points Flashcards Preview

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Flashcards in Exam 1 derm key points Deck (37)
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2
Q

key points: dermatitis herpetiformes

A

a/w celiac. Intensely pruritic, easily rupture vesicles

3
Q

key points: porphyria cutanea tard

A

painless blistering on hands, elevated urinary porhyrins

4
Q

key points: erythema migrans

A

target lesion, tick bite

5
Q

key points: cellulitis

A

staph, gram stain for Dx, diffuse spreading superficial infx, fever, chills. common in diabetics and people w/ venous insufficience

6
Q

key points: folliculitis

A

in hairy areas. pustules with hair growing out of them

7
Q

key points: erisipelas

A

well circumscribed papule, pain, fever, malaise and other infx sxs

8
Q

key points: discoid lupus

A

when scale is scraped, spiny projections. sun exposed area.

9
Q

key points: herpes simplex

A

grouped vesicles on erythematous base

10
Q

key points: herpes zoster

A

dermatomal pattern, unilateral. neuritic pain lasting long after skin signs disappear.

11
Q

key points: varicella

A

chicken pox. see lesions in various stages. tzanck smear. varivax vaccine.

12
Q

key points: scabies

A

burrows, pruritic, mites present

13
Q

key points: insect bites

A

duh

14
Q

key points: molluscum contagiosum

A

discrete, umbilicated papules. very infectious. no itching.

15
Q

key points: hand, foot & mouth

A

the name says it all. painful vesicles in mouth, maculopapular everywhere else

16
Q

key points: roseola infantum

A

abrupt high fever for the prodrome. fine, blanchable mac and pap

17
Q

key points: rubella (german measles)

A

high risk to fetus, generalized lymphadenopathy, fever. vaccine: MMR

18
Q

key points: erythema infectiosum (fifth’s disease)

A

slapped face appearance. lacy rash. anemia concerns

19
Q

key points: rosacea

A

flushing, telangiectasis, adult acne, if untreated: rhinophyma

20
Q

key points: rubeola

A

cough, coryza, conjunctivitis

21
Q

key points: acne

A

cystic lesions break walls and spill into dermis. blockage of follicles w/ keratinized tissue

22
Q

key points: tinea versicolor

A

spaghetti and meatballs w/ KOH. affected skin will not tan normally

23
Q

key points: tinea corporis

A

annular lesions on the body. hyphae w/ KOH

24
Q

key points: tinea cruris

A

dermatophyte infx in the groin, buttock fold region. hyphae w/KOH

25
Q

key points: tinea pedis

A

4 types: mocassin, interdigital, bullous/inflammatory, ulcerative. athlete’s foot

26
Q

key points: impetigo

A

honey colored crust. staph.

27
Q

key points: psoriasis

A

silvery scales on erythema. psoriatic arthritis. auspitz sign. koebnerization. pitting nails.

28
Q

key points: pityriasis rosea

A

christmas tree pattern, herald patches, cigarette paper appearance, trunk

29
Q

key points: seborrheic dermatitis

A

greasy scales. cradle cap in infants. head, nasolabial folds, chest, and buttcrack in adults.

30
Q

key points: contact derm

A

edema, papules can be localized to sight of exposure or generalized

31
Q

key points: atopic eczema

A

atopic triad: eczema, asthma, allergic rhinitis. extensor surfaces and face on kids. flexural and symmetrical on adults.

32
Q

key points: mycosis fungoides

A

plaques w/ lymphedema due to t-cell lymphoma. Sezary cells in blood is a late sign

33
Q

key points: malignant melanoma

A

ABCD. bleed easily. 4 types: superficial, lentigo maligna, acral lentiginous, nodular (most aggressive

34
Q

key points: squamous cell carcinoma

A

ulcerated, many colors. can arise from actinic keratosis, leukoplakia

35
Q

key points: basal cell carcinoma

A

rolled borders, telangiectasia, bleed easily. most common type of skin cancer. 4 types: pigmented, superficial, ulcerative, nodular.

36
Q

key points: actinic keratosis

A

sun exposure. easier to feel than see. scale or dry rough patch

37
Q

key points: keratoacanthoma

A

rapid growth. self resolving. nodular. can look like SCC.

38
Q

key points: seborrheic keratosis

A

greasy, stuck on, hyperpigmented appearance. Variations: stucco keratoses, dermatosis papulosa nigra, lesler trelat sign (sudden appearance w/ inflammation, possibly malignant)