Dermatology Flashcards

1
Q

Cutaneous pyoderma
Thickly crusted erosions or ulcerations
Puched out lesions

Occluded footwear

Homeless and solider

Buttocks and LE

A

Ecthyma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Ecthyma Dx

A

Culture of staph aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Pyoderma that begins with hair follicle

A

Folliulculitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Most common etiology of folliculitis

A

Staph aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Small, fragile dome shaped pustule

Superficial folliculitis

A

Bockhart impetigo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Deep folliculitis on beard area, coalescing

A

Sycosis barbae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Hot tub folliculis etiology

A

Pseudomonas aeruginosa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Folliculitis Dx

A

Clinical signs
Gram stain
Culture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Folliculitis Tx

A

Warm saline compress

Topical mupirocin, clindamycin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

P aeuroginosa folliculitis Tx

A

Ciprofloxacin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Deep seated inflammatory nodule

Preceding, more superficial evolving into an abscess

A

Furuncle/boil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Furuncle Etiologic agent

A

Staph aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Deep seated inflm nodule
Multipel sinuses

More extensive
Deeper communicating and infiltrating lesion
Closely set furuncles

A

Carbuncles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Red and indurated
Multiple pustule
Yellow gray irregular crater
Permanent scar

A

Carbuncle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Carbuncle predisposing factors:

A

Obese
Blood dyscrasia
Glucocorticoids
Immunodeficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Inflammation of proximal nail fold or eponychium

A

Paronychia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Paronychia agent

A

Staph aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Paronychia Tx

A

ID
Mupirocin
Fusidic acid
Dicloxacillin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Well-defined but irregular reddish-brown patches occuring in intertriginous area or fissuing white maceration of toes

Males

Genitocrural area

A

Erythrasma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Erythrasma etiologic agent

A

Corynebacterium mutissimum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Erythrasma most common site

A

Web spaces of feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Differentiates erythrasma and tinea

A

Wood’s lamp exam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Erythrasma in Wood’s lamp

A

Coral fluorescence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Gram + infection with toxin production

A

Bullous impetigo

Staph scald syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Bullous form impetigo etiologic agent

A

Staph aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Nonbullous form etiology in developing countries

A

GABHS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

More common
Children of all ages and adults
Honey colored crust

A

Non bullous impetigo contagiosa

28
Q

Non bullous impetigo contagiosa etiologic agent

A

S aureus

GABHS

29
Q

Newborns and young children
Caused by coagulase + staph aureus

Face, trunk, extemities, buttocks, perineum

Ritter disease/Pemphigus neonatorum -extensive

A

Bullous pemphigus

30
Q

Impetigo Tx

A

Mupirocin
Retapamulin
Fusidic acid

31
Q

Generalized exanthematous disease consisting of cutaneous tenderness and widespread superficial blistering and denudation

A

Staphylococcus scalded skin syndrome

32
Q

Fain, orange red macular exanthem or uniform
Erythema sparing mucosal surface
Paper like denudation of skin

A

Staph Scalded Skin Syndrome

33
Q

SSSS toxin

A

Exfoliatin A and B targetting spinosum and granulosum

34
Q

Very thin walled, flaccid blister

Easily disrupted

A

Nikolsky sign

35
Q

+ Nikolsky

A

SSSS
SJS
TENS
Pemphigus vulgaris

36
Q

SSSS Tx

A

Anti staph IV

Mupirocin

37
Q

Non Necrotizing Dermal infection

A

Cellulitis

Erisypelas t

38
Q

Trauma or injury breaking skin
Extends deep to dermis and subcutaneous tissue

Erythema, tenderness
Lack distinct margins between affected and normal skin

Occasionally + crepitus on palpation

A

Cellulitis

39
Q

Superficial cutaneous cellulitis

Marked dermal lymphatic involvement

Venous stasis, lymphedema, intertrigo, obesity

Face or le

Demarcates normal skin and lesion

Peau d’ orange

Caused by GABHS

More systemic

A

Erysipelas

40
Q

Erysipelas Tx

A

Penicillin

Amoxicillin

41
Q

Nec Soft tissue types

A

Polymicrobial type I

Monomicrobial type II

42
Q

Polymicrobial infection with mix of anaerobes and facultative species

Peptostrep
Bacteroides

Most common form of Nec Fascitis

Predisposing: surgery, IV drug

A

Type I polymicrobial

43
Q

Caused by Group A strep
Hemorrhagic bullae
Flesh eatinf bacteria

A

Monomicrobial Type II

Flesh eating

44
Q

Nec Fasc Tx

A

Surgical exploration

Ampi/Sul

45
Q

Grouped vesicles
Crusing over the 1/3 of the lower lip
Pain, burning sensation
Occasional pruritus

A

HSV1
Oral labial herpes
Childhood
Orofacial disease

46
Q

Painful group vesicles
Central crusting
Red base on shaft of penis
Most prevalent sexually transmitted disease world wide
Most common cause of ulcerative genital disease

A

HSV 2

47
Q

Painful grouped, confluent vesicles on base of distal finger

Tzanck smear done with multinucleated giant cells

A

Herpetic whitlow

HSV 1 and 2

48
Q

HSV Tx

A

Acyclovir 200 mg 5x a day

Valacyclovir 1g BID

49
Q

Petechiae on soft palate
Palpable cervical lymph node
Fever

3 day measles

Inhalation of aerosolized respiratory droplet

Period of infectivity: end of incubation period until disappearance of rash

Exanthema and lymphadenopathy

A

Rubella

50
Q

Petechiae on soft palate

Also in infectious mononucleosis

A

Forccheimer sign

51
Q

Non pruritic macule and pacule
Beginning on forehead gradually progressing to the neck, trunk and extremities

URTI (high grade fever, cough, coryza and conjunctivitis)

Tiny white lesions surrounded by erythematous halo

Grains of sand over buccal mucosa

A

Measles

Rubeola

52
Q

Centrifugal spread
High grade fever preceding rash

+ Koplik spots

A

Measles Rubeola

53
Q

Small whitish lesions over buccal mucosa

A

Koplik spots

54
Q
Loss of appetite
Incessant crying of child upon feeding
Few ulcerative oral lesions
Painful oral ulcer
Linear papulobesicular lesions over sides 

Vesicles on hand and foot

A

Hand foot mouth disease

Coxsackie A

55
Q

Droplet infection
Fever, chills, malaise, headache, anorexia

Face -> scalp -> trunk

Lesions in all stages are present on the body at the same time

A

Varicella/Chicken pox

56
Q

Dewdrops on rosepetals

Erythematous macule

A

Varicella

57
Q

Varicela Tx

A

Acyclovir

58
Q

Closely grouped vesicles on erythematous base

Dermatomal pattern

A

Herpes Zoster

59
Q

Pain >60
Paresthesia

Most common lesion: T3-L2

A

Herpes zoster

60
Q

Deep plantar/palmar wart

A

HPV 1

61
Q

Wart tx

A

Salicylic acid
Lactic acid
Trichloroacetic acid
Electrodessication

62
Q

Small pink pearly or flesh colored dome-shaped papules

Pox virus

A

Molluscum contagiousum

63
Q

Molluscum tx

A

Curettage
Canthardin
Retinoid
Imiquimod

64
Q

Molluscum pathognomonic for

A

Henderson Paterson bodies

65
Q

Honey colored crust mostly around nasal orifice

A

Non bullous

66
Q

Bilster and rupture in neonates

A

Bullous impetigus