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Clin Med II > Derm Diagnosis > Flashcards

Derm Diagnosis Flashcards

1
Q

Central redness, flushing of face with bumps x 3 mo
Papulopustular eruption
Telangiectasia, skin coarseness

A

Rosacea

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2
Q

erythamateous papules around the mouth

A

Perioral Dermatitis

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3
Q

yellowish, whitish enlargement of sebaceous glands

A

Sebaceous Hyperplasia

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4
Q

Under arms, breast, groin

Inflamed nodules and abscesses, scarring

A

Hidradenitis Suppurativa

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5
Q

Patches on scalp and other hair bearing areas
Exclamation point hairs
Smooth circular discrete area

A

Alopecia Areata

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6
Q

Diffuse non-scarring alopecia
Bitemporal hair loss
<50% hair loss
No balding

A

Telogen Effluvium

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7
Q

Progressive loss of terminal hairs on anterior, mid, temporal and vertex scalp

A

Androgenic Alopecia

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8
Q

psych condition where pick at hairs on body (scalp is MC)

A

Trichotillomania

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9
Q

Chest, back and shoulders
Patchy red, darker or lighter spots
Asymptomatic, cosmetic concern

A

Pityriasis (tinea) Versicolor

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10
Q

Infection or scalp hair

Alopecia, scaly, erythema, itchy

A

Tinea Capitis

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11
Q

Infection of body surfaces

Pruritic circular or oval, erythematous scaling plaque with central clearing and raised border

A

Tinea Corporis

ringworm

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12
Q

Infection of groin

Erythematous, scaley patches

A

Tinea Cruris

jock itch

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13
Q

Foot infection
Interdigital-
Hyperkeratosis-
Vesiculobullous-

A 
Tinea Pedis
athletes foot
Interdigital-btwn toes
Hyperkeratosis-soles, merial and lateral surfaces of foot
Vesiculobullous-medial foot
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14
Q

nail infection

A

onychomycosis

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15
Q

Diffuse non-scarring alopecia
Bitemporal hair loss
<50% hair loss
No balding

A

Telogen Effluvium

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16
Q

What is the difference between erythema multiforme minor and major?

A

Minor-no mucosal involvement, confined to extremities and face, associated with HSV

Major- always has mucosal involvement, MC due to drug eruption

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17
Q

Redding, scaling, itching, dandruff

Localized to nasolabial folds, eyebrows, upper chest and scalp

A

Seborrheic Dermatitis

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18
Q

Elevated papules, patches with scaling mostly on extensor surface of knees, elbows, face and scalp, intergluteal cleft, glans penis
Symmetrically on body

A

Psoriasis

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19
Q

Pustules, erythematous papules

Furuncles-deep, tender nodules/abscesses (boils)

Carbuncles-interconnecting abscesses in several contiguous hair follicles

A

Folliculitis

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20
Q

Razor bumps

Occurs over any shaved area

A

Pseudofolliculitis Barbae

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21
Q

Swollen erythematous nail fold

Pustule may be present

A

Acute Paronychia

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22
Q

Loss of cuticle, proximal nail fold becomes boggy, nail plate becomes irregular/discolored

Worsened by water, irritant, nail dermatoes, grooming & biting

A

Chronic Paronychia

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23
Q

Highly contagious

Face & extremities

1-3 cm erythematous macules/papules → vesicles/pustules → rupture → honey-colored crusts

A

Nonbullous Impetigo

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24
Q

vesicles enlarge to form bullae
Clear yellow fluid
Rupture→crust

trunk & folds (less common on face)

A

Bullous Impetigo

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25
Q

Ulcerative form with hemorrhagic crust

Distal extremities

Heals with scarring

A

Ecthyma Impetigo

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26
Q

Acute painful onset

Fever, chills, reginal lymphadenopathy

Edematous, red, warm plaques with sharply demarcated borders

vesicles, bulla, erosions

Cheeks and ears MC (less common in extremities)

A

Erysipelas

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27
Q

Abrupt or gradual onset

Swelling, erythema, tenderness, warmth

Bulla, vesicles, necrosis

Rough borders, less defined

Fever, chills, malaise, anorexia, lymphadenopathy, lymphangitis (red streak)

A

Cellulitis

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28
Q

Behind ears, back of neck
Hair shafts
Low grade fever, Lymphadenopahty if 2° bacterial

A

Head Lice

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29
Q

Puritic, papular rash with excoriations

Burrowing on hands and wrists

Head and neck are typically spared

Crusted scabies: less itchy, hyperkeratotic lesions

A

Scabies

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30
Q

Red -brown fecal staining & nit -like ova common on mattress seams

Puritic, erythematous, papules of exposed ateas, central hemorrhagic punctum

Linear “breakfast, lunck, dinner” streak

A

Bed Bugs

31
Q

Painless bite-red, white & blue sign

Erythema, central vesicle or papule, central violaceous surrounded by rum of planched skin then outer ring of erythema

Central necrosis begins after 203 days with eschar/ulcer formation btwn 5-7d

Fever, chills, HA, N/V from venom toxins

A

Brown Recluse Spider Bite

32
Q

Pityriasis Rosea

A

Prodrome: malaise, headache, mild constitutional sx

Herald patch-single, salmon/red oval lesion most commonly found on trunk, with slightly raised scaley border

Days to months later exanthem occurs -smaller lesions on trunk/proximal extremities

Rash follows Lander’s Lines-christmas tree ditribution on back, transverse on abd & v shape on chest

Raised 5-10mm pink, oval papules & plaques with collarette scale

Rarely on face/palms/soles

33
Q

Atypical Pityriasis

A

Herald patch may be absent or sole lesion
Multiple herald patches
Lesions may be present on face, neck, palms and soles or unilateral presentation

Vesicular, pustular or urticarial variants

34
Q

Lichen Planus

A

Six Ps: purple, pruritic, polygonal, planar, papules, plaques

Violaceous with reticulated white scale

Common on flexor surfaces of wrists, shins, lumbar back, feet

LP pigmentosus-lighter in ppl of color

Spontaneously remit in 1-2 yrs but may have recurrence

35
Q

White, lacy reticular pattern on buccal mucosa, tongue, lips and gingiva

Erosive, painful lesions

↑SCC risk

A

Oral Lichen Planus

36
Q

Acute, self-limited rxn 1-3 wks

Fever, malaise, myalgia, sore throat, cough

Sharply dematcated erythematous macules →papules→plaques

Center dark red, prown or purpuric with vesicular or bulla formation that flattens and clears

Target or iris lesions (round with 3 concentric zones)

Symmetric, pruitic lesions on distal extremities spread proximally

Palms, soles, elbows, knees, sometimes face, mucosa and eyes

Koebner Phenomenon

A

Erythema Multiforme

37
Q

Macular rash → resolves spontaneously →manifests as maculopapular or papular lesions

Mucosal lesions

Involvement of palms and soles

A

Secondary Syphillis

38
Q

Nummular Eczema

A

Coin shaped, disseminated, pruitic eczema lesions

MC on extremities

Hx of atopy

Repetitive flares

39
Q

Tinea Corporis

A

Superficial fungal infection of skin

Erythematous scaly plawues with central resolution

Scale/crust due to inflammation

Pruritus

40
Q

Pityriasis (Tinea) Versicolor

A

well-demarcared macules/patches with fine scale

Hypo and hyper pigmentation

MC on trunk

“Didn’t tan well”

Spaghetti and meatballs on KOH

41
Q

Acute Guttate Psoriasis

A

Discrete salmon-pink papules up to 1.0 cm

Variable scaling

Trunk

Palms & soles spared, fewer lesions on face & scalp

42
Q

Umbilicarted papules
Discrete, solid, skin-colored papules

If confluent-immune system isn’t fighting

A

Molluscum Contagiosum

43
Q

Verruca Vulgaris (HPV)

A

Common wart, plantar wart

44
Q

Asymptomatic

Flesh to grey colored papules → merge into plaques

Men on penile shaft & urethra

Women on posterior introitus and labia
Flat condylomas on cervix & vagina

Perianal warts

A

Condylomata Acuminata (anogenital warts)

45
Q

erythamateous papules around the mouth and sometiems eyes

no comodones

A

Perioral Dermatitis

46
Q

yellowish, whitish enlargement of sebaceous glands

A

Sebaceous Hyperplasia

47
Q

Under arms, breast, groin

Inflamed nodules and abscesses, scarring

A

Hidradenitis Suppurativa

48
Q

Patches on scalp and other hair bearing areas

Exclamation point hairs
Smooth circular discrete area

A

Alopecia Areata

49
Q

Telogen Effluvium

A

Diffuse non-scarring alopecia
Bitemporal hair loss
<50% hair loss
No balding

50
Q

Androgenic Alopecia in Men

A

Progressive loss of terminal hairs on anterior, mid, temporal and vertex scalp

51
Q

Chest, back and shoulders

Patchy red, darker or lighter spots

Asymptomatic, cosmetic concern

A

Pityriasis (tinea) Versicolor

52
Q

Infection of scalp hair

Alopecia, scaly, erythema, itchy

A

Tinea Capitis

53
Q

Infection of body surfaces

Pruritic circular or oval, erythematous scaling plaque with central clearing and raised border

A

Tinea Corporis

54
Q

Infection of groin

Erythematous, scaley patches

A

Tinea Cruris

55
Q

Foot infection

Interdigital-btwn toes

Hyperkeratosis-soles, merial and lateral surfaces of foot

Vesiculobullous-medial foot

A

Tinea Pedis

56
Q

Intertrigo

A

rash in skin folds

57
Q

Atopic Dermatitis

A

Pruritic rashes

Acute: Vesicles, wheeping, crustinc

Subacute: Papules, plaques, erythematous, dry and scaly

Chronic: lichenification, hyperpigmentation, depigmentation

Infant- facial lesions & patches elsewhere

Older child- lesions in elbow & knee flexures, wrists & ankles

58
Q

Medication initiated 7-10 d before rash appears (shorter for repeat exposure)

Widespread, symmetric, erythematous macules and papules on trunk and extremities

Lesions start on trunk and spread to extremities symmetrically

Pruritus

A

Exanthematous

59
Q

Fixed Drug Eruption

A

Solitary erythematous patch or plaque that will recur at the same site with re-exposure to the drug

Motuh, genitalia, face and acral areas

Sharply demarcated → edematous → plaque → bulla → erosion

60
Q

Sx begin 3rd wk after start of med (longer than exanthematous)

Generalized, wide spread rash
Starts on trunk and moves outward

Macular, erythematous

Fever malaise, lymphadenopathy, liver/kidney involvement

Facial swelling

A

DIHS or DRESS

61
Q

Begins 8 wks after drug exposure

Fever, HA, rhinitis, myalgias may precede

Symmetric erythematous, irregularly shaped erosions

Dursk red to purpuric macules

Localized on face, upper trunk and hands

Lesions start as flaccid blisters and will slougth off

Extremely painful

Extensive necrosis and detacment of epidermis and mucosal surfaces

May have ocular involvement → blindness

A

SJS or TENS

62
Q

Prodrome usual fever, sorethroa, conjunctivitis, mouth, nose, genitalia

Rash within 48 hrs of prodrome

Bright red, confluent, painful rash with large blisters

Sandpaper texture

Flaky, dry skin as lesions heal

A

Staphlycoccal Scalded Skin Syndrome (SSSS)

63
Q

Bullous diease
Painful, generalized flaccid bilsters with mucosal involvement

Blisters coalesce and rupture easily

A

Pemphigus Vulgaris

64
Q

Sub-epidermal blister
Rare mucosal involvement
Prone to relapse

A

Bullous Pemphigoid

65
Q

Necrotizing Fasciitis

A

Fever, intense pain, early pain out of proportion to PE findings

Systemic toxicity

±site of introduction

Local edema, crepitus, skin abnormality, red or purple or necrotic tissues

66
Q

Frequently associated with trauma to genitalia

Intense pain and tenderness in genitalia

Prodromal sx: fever & lethargy

Dusky appearance over skin

Gangrene of portion of genitalia and purulent drainage

A

Fournier Gangrene

67
Q

7-10 day onset after infection

Systemically ill, fever, hypotension

Large purpuric skin lesions

DIC

Painful

Symmetrical limb involvement-starts distally and progresses proximally

Organ dysfunction

A

Purpura Fulminans

68
Q

Unpigmented macules (5-50 mm)

Sharply defined borders

Non-segmental

Bilateral acrofacial pattern, symmetrical lesion size, shape and location

Evolves over time

A

Vitiligo

69
Q

Hyperpigmented, well circumscribed lesion

Appear in sun exposed areas

A

Solar Lentigines

70
Q

Progressive, macular, nonscaling, hypermelanosis of sun-exposed areas while pregnant or on OCP

A

Melasma

71
Q

Dark, hyperkeratotic streaks in skin folds

Neck, axilla, groin, body folds

A

Acanthosis Nigricans

72
Q

Irregular, darkly pigmentated macules and patches at sites of previous injury or inflammation

acne, psoriasis, lichen planus, atopic dermatitis, contact dermatitis, trauma

Lesions persist months to years

A

Post-Inflammatory Hyperpigmentation

73
Q

Red scaly plaques located on the skin

Sun exposed areas

tender, burning, itching ot asymptomatic

A

Actinic Keratosis

74
Q

Nodule with central pore (punctum)

Can originate from invaination of epidermis into dermis or spontaneously

A

Epidermal Cyst

Clin Med II (19 decks)

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