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Dermatology Flashcards

1
Q

Cutaneous pyoderma
Thickly crusted erosions or ulcerations
Puched out lesions

Occluded footwear

Homeless and solider

Buttocks and LE

A

Ecthyma

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2
Q

Ecthyma Dx

A

Culture of staph aureus

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3
Q

Pyoderma that begins with hair follicle

A

Folliulculitis

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4
Q

Most common etiology of folliculitis

A

Staph aureus

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5
Q

Small, fragile dome shaped pustule

Superficial folliculitis

A

Bockhart impetigo

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6
Q

Deep folliculitis on beard area, coalescing

A

Sycosis barbae

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7
Q

Hot tub folliculis etiology

A

Pseudomonas aeruginosa

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8
Q

Folliculitis Dx

A

Clinical signs
Gram stain
Culture

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9
Q

Folliculitis Tx

A

Warm saline compress

Topical mupirocin, clindamycin

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10
Q

P aeuroginosa folliculitis Tx

A

Ciprofloxacin

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11
Q

Deep seated inflammatory nodule

Preceding, more superficial evolving into an abscess

A

Furuncle/boil

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12
Q

Furuncle Etiologic agent

A

Staph aureus

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13
Q

Deep seated inflm nodule
Multipel sinuses

More extensive
Deeper communicating and infiltrating lesion
Closely set furuncles

A

Carbuncles

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14
Q

Red and indurated
Multiple pustule
Yellow gray irregular crater
Permanent scar

A

Carbuncle

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15
Q

Carbuncle predisposing factors:

A

Obese
Blood dyscrasia
Glucocorticoids
Immunodeficiency

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16
Q

Inflammation of proximal nail fold or eponychium

A

Paronychia

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17
Q

Paronychia agent

A

Staph aureus

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18
Q

Paronychia Tx

A

ID
Mupirocin
Fusidic acid
Dicloxacillin

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19
Q

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

Males

Genitocrural area

A

Erythrasma

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20
Q

Erythrasma etiologic agent

A

Corynebacterium mutissimum

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21
Q

Erythrasma most common site

A

Web spaces of feet

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22
Q

Differentiates erythrasma and tinea

A

Wood’s lamp exam

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23
Q

Erythrasma in Wood’s lamp

A

Coral fluorescence

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24
Q

Gram + infection with toxin production

A

Bullous impetigo

Staph scald syndrome

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25
Bullous form impetigo etiologic agent
Staph aureus
26
Nonbullous form etiology in developing countries
GABHS
27
More common Children of all ages and adults Honey colored crust
Non bullous impetigo contagiosa
28
Non bullous impetigo contagiosa etiologic agent
S aureus | GABHS
29
Newborns and young children Caused by coagulase + staph aureus Face, trunk, extemities, buttocks, perineum Ritter disease/Pemphigus neonatorum -extensive
Bullous pemphigus
30
Impetigo Tx
Mupirocin Retapamulin Fusidic acid
31
Generalized exanthematous disease consisting of cutaneous tenderness and widespread superficial blistering and denudation
Staphylococcus scalded skin syndrome
32
Fain, orange red macular exanthem or uniform Erythema sparing mucosal surface Paper like denudation of skin
Staph Scalded Skin Syndrome
33
SSSS toxin
Exfoliatin A and B targetting spinosum and granulosum
34
Very thin walled, flaccid blister | Easily disrupted
Nikolsky sign
35
+ Nikolsky
SSSS SJS TENS Pemphigus vulgaris
36
SSSS Tx
Anti staph IV | Mupirocin
37
Non Necrotizing Dermal infection
Cellulitis | Erisypelas t
38
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
Cellulitis
39
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
Erysipelas
40
Erysipelas Tx
Penicillin | Amoxicillin
41
Nec Soft tissue types
Polymicrobial type I | Monomicrobial type II
42
Polymicrobial infection with mix of anaerobes and facultative species Peptostrep Bacteroides Most common form of Nec Fascitis Predisposing: surgery, IV drug
Type I polymicrobial
43
Caused by Group A strep Hemorrhagic bullae Flesh eatinf bacteria
Monomicrobial Type II | Flesh eating
44
Nec Fasc Tx
Surgical exploration Ampi/Sul
45
Grouped vesicles Crusing over the 1/3 of the lower lip Pain, burning sensation Occasional pruritus
HSV1 Oral labial herpes Childhood Orofacial disease
46
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
HSV 2
47
Painful grouped, confluent vesicles on base of distal finger Tzanck smear done with multinucleated giant cells
Herpetic whitlow | HSV 1 and 2
48
HSV Tx
Acyclovir 200 mg 5x a day | Valacyclovir 1g BID
49
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
Rubella
50
Petechiae on soft palate | Also in infectious mononucleosis
Forccheimer sign
51
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
Measles | Rubeola
52
Centrifugal spread High grade fever preceding rash + Koplik spots
Measles Rubeola
53
Small whitish lesions over buccal mucosa
Koplik spots
54
``` 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
Hand foot mouth disease | Coxsackie A
55
Droplet infection Fever, chills, malaise, headache, anorexia Face -> scalp -> trunk Lesions in all stages are present on the body at the same time
Varicella/Chicken pox
56
Dewdrops on rosepetals Erythematous macule
Varicella
57
Varicela Tx
Acyclovir
58
Closely grouped vesicles on erythematous base Dermatomal pattern
Herpes Zoster
59
Pain >60 Paresthesia Most common lesion: T3-L2
Herpes zoster
60
Deep plantar/palmar wart
HPV 1
61
Wart tx
Salicylic acid Lactic acid Trichloroacetic acid Electrodessication
62
Small pink pearly or flesh colored dome-shaped papules Pox virus
Molluscum contagiousum
63
Molluscum tx
Curettage Canthardin Retinoid Imiquimod
64
Molluscum pathognomonic for
Henderson Paterson bodies
65
Honey colored crust mostly around nasal orifice
Non bullous
66
Bilster and rupture in neonates
Bullous impetigus

Medicine (29 decks)

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