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Dermatology Module > Cutaneous Symptomatolgy > Flashcards

Cutaneous Symptomatolgy Flashcards

1
Q

Melanoma vs Seborrheic Keratosis

A

M: irregular borders, color change, needs to be excised ASAP
SK: nodule or plaque,distinct margins,needs to be cauterized

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2
Q

ex of single vesicles

A
  1. Friction blister
  2. Chicken pox
  3. insect bite
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3
Q

Grouped vesicles examples

A
  1. Herpes simplex
  2. Allergic contact dermatitis
  3. Dehydrotic Eczema
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4
Q

Dematomal vesicle example

A

herpes zoster

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5
Q

Definitive diagnosis of cutaneous conditions

A
  1. Complete history, PE,ROS

2. To confirm only - lab tests, histopathological analysis

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6
Q

Common chief complaints to Dermatologists

A
  1. itchy skin (most common)
  2. Painful-inflammed skin
  3. Skin color change
  4. ERythematous skin
  5. Oily skin, dry skin, Sweaty skin,scaly skin
  6. Scar
  7. Hair concerns
  8. Nail concerns
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7
Q

classic location for dermatitis herpetiformis

A

Extensor surfaces of elbow, knees, buttocks, back.

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8
Q

Scabies location

A

soft and warm areas (finger webs, wrist, inguinal area, buttocks, periumbilical area, inframammary area)

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9
Q

Blister related to cancer of GIT

A

Bullous pephigoid

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10
Q

Top 10 common dermatoses in the Philippines (2013)

A 
1 Verruca 
2 Superficial Dermatophyte infectons
3 Acne Vulgaris
4 Contact Dermatitis
5 Bacterial infections 
6 Psoriasis
7 Lichen Simplex Chronicus
8 Scabies
9 Seborrheic Dermatitis
10 Nummular Dermatitis
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11
Q

Exophytic lesion. can be solitary or multiple

A

Verruca

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12
Q

Dermatophytosis

A 
1. Erythematous, ring shaped
2 Advancing borders
3 Central Clearing
4. Pruritic
5 Named accdg to Body part affected
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13
Q

Psoriasis

A
  1. Sharply Marginated erythematous plaques with silvery scales
    2 (+) Auspitz sign
    3 Favors Knee, elbows, scalp, nails
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14
Q

common lesions in acne

A

Papules or specifically Comedones

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15
Q

Types of Contact dermatitis

A
  1. Irritant

2. Allergic

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16
Q

Hyperpigmented or hypopigmented hyposthetic patch or plaque

A

Hansen’s disease

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17
Q

Erythematous nodule with central necrotic plug

A

furuncle

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18
Q

Carbuncle

A

Multiple adjacent coalescing furuncles

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19
Q

Erythematous pustules and vesicles with golden yellow crust

A

Impetigo

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20
Q

Circumscribed plaque from from reptetitve rubbing

A

Lichen simplex chronicus, can be hyperpigmented and scaly

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21
Q

Erythematous plaques with greasy scale

A

seborrheic dermatitis

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22
Q
  • (+) Burrows
  • Present in warm sweaty areas
  • Treat the patient from head to toe even if no visible lesions are present
A

Scabies

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23
Q
  • Coin shaped, can start as an insect bite in people with atopic background
  • May become exematous with scratching
A

Nummular dermatitis

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24
Q
  • sensation that leads to a desire to scratch or rub the skin
  • most common cutaneous sx
A

Pruritus

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25
Neural pathway of Pain and itch
unmyelinated C fibers
26
GAte Control
- High centers exert influence on the severity of tich which explains why itching is more severe at night
27
Receives afferent impulses, but is also subject to powerful descending controls of the brain
Dorsal Horn
28
Mediators of itch
``` 1, histamine 2 Serotonin 3 endopeptidases 4 Neuropeptidases 5 Eicosanoids ```
29
Diffuse and poorly localized itch, intensifies with light touch or other stimulus
Allokinesis
30
Primary Cutaneous diseases
1. infestations 2. Dermatitis Herpetiformis 3. Bullous pemphigoid 4. Cholinergic Urticaria 5/ Miliaria Rubra 6/ Symptomatic dermographism 7 Asteatotic eczema
31
Picker's nodule
Pruririgo nodularis, found at the leg area
32
2 biochromes in the epidermis
Melanin and Carotenoids
33
2 biochromes in the dermis
Oxyhemoglobin and reduced hemoglobin
34
Hyperpifmentation found in the nuchal area
PSeudoacanthosis Nigricans
35
sun spots in children
Pityriasis alba
36
caused by Malassezia furfur
Pityriasis versicolor
37
side effect of strong topical steroids
leucoderma
38
No pigmentation
- vitiligo | - Guttate hypomelanosis
39
Skin failure with erythema | Chronic cutaneous failure
Exfoliative erythroderma
40
- excessive amounts of dry surface scales - Disorder of keratinization or cornification resulting to abnormal epidermal differentiation or metabolism - Associated with atopic dermatitis
Ichytosis
41
Causes of abnormal keratinization of epithelial cells
1. Pityriasiform 2. Psoriasiform 3. Ichthyosiform
42
Parakeratosis
Keratinocytes retain nucleus which reach skin surface
43
conditions with scaly skin
Pitytriasis rosea, dermatophyte infections
44
thinning of hair without balding
Telogen effluvium
45
Circumscribed area without hair
alopecia areata
46
Beau's lines
- transverse white lines | - indicate presence of renal or hepatic problems
47
Nail concerns for SLE
Periungal telagiectasia
48
Cutaneous signs
1. Color 2. palpation or lesion 3. Shape 4 Margination 5 arrangement 6 distribution
49
Parts of palpation of lesion
1. consistency 2. Temperature 3. Mobility 4. Tenderness 5. Depth of lesions
50
Margination
Well defined or Ill-defined
51
Arrangement/Grouping
1. Herpetiform 2. Zosteriform 3. Annular 4. Reticulated 5. Linear
52
Distribution
1. Extent | 2. Patterns (symmetrical, photodistribution, dermatomal, intertriginous, pressure sites)
53
most common morphologic reactions in drugs
Exanthematous eruptions - can also be related to glutathione deficiency - 10 days after exposure to drug - req drug dechallenge
54
Angioedema vs Wheals
A: Ill defined and involves dermis and subcutaneous tissue W: Superficial, well defined
55
3 mechanisms of urticaria
1. IgE Dependent 2. Immune complex induced 3. Non-immunological
56
Erythema Nodosum
- occurence of tender, non-ulcerative nodules on legs | - inflammation of the subcutaneous fat
57
Caused by anovulatory drugs
Erythema nodosum
58
Pathogenesis of Erythema nodosum
Circulating immune complexes
59
acute life trehetening mucocutaneos reaction characterized by extensive necrosis and detachment of the epidermis
Steven-johnson syndrome, toxic epidermal necrolysis
60
Epidermal detachment after light touching/light rubbing
Nikolsky sign
61
Pathogenesis of diseasE: Delayed hypersensitivity reaction where primary target is epidermis
Erythema multiforme
62
tx for Erythema multiforme
penicillin, sulfonamide
63
pathogensis of Erythroderma
Type II, Type III, Type IV (allergic contact dermatitis mech)
64
sign of intestinal polyposis
Peutz-jeghers syndrome

Dermatology Module (13 decks)

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