Ch. 8- Eczematous Rashes

Question 1

What are the hallmarks of dermatitis?

Answer 1

1. marked pruritus
2. indistinct borders
3. epidermal changes characterized by vesicles, juicy papules, or lichenification

Question 2

What is a chronic, relapsing intensely pruritic, eczematous condition of the skin that is associated with a personal hx. or family hx. of dz?

Answer 2

atopic dermatitis

Question 3

What is the clinical hallmark of chronic atopic dermatitis?

Answer 3

lichenification

Question 4

What is the most distressing and prominent symptom of atopic dermatitis?

Answer 4

pruritus (itching)

Question 5

Which eczematous rash presents as flexural lichenification in adults and older children?

Answer 5

atopic dermatitis

Question 6

Which eczematous rash presents as facial and extensor papulovesicles in infancy?

Answer 6

atopic dermatitis

Question 7

To be sucessful, what must treatment eliminate in atopic dermatitis?

Answer 7

pruritis

Question 8

T/F: Bacterial and viral skin infections are common in atopic dermatitis.

Answer 8

TRUE

Question 9

a syndrome of atopic dermatitis characterized by recurrent pyoderma, raised serum IgE levels, and decreased chemotaxis of mononuclear cells.

Answer 9

hyper-IgE syndrome

Question 10

What is the etiology of atopic dermatitis?

Answer 10

• a disrupted skin barrier

- disturbed immunologic response

Question 11

What is an inflammatory reaction of the skin precipitated by an exogenous chemical?

Answer 11

contact dermatitis

Question 12

What is produced by a substance that has a direct toxic effect on the skin?

Answer 12

irritant contact dermatitis

Question 13

What triggers an immunologic reaction that causes tissue inflammation?

Answer 13

allergic contact dermatitis

Question 14

What are the most common causes of allergic contact dermatitis?

Answer 14

1. poison ivy or oak
2. cosmetics/personal care pdts.
3. nickel
4. rubber compounds
5. topical meds

Question 15

Linear streaks of vesicles are characteristic of contact dermatitis to ____.

Answer 15

poison ivy or oak

Question 16

T/F: The location of the contact dermatitis is insignificant.

Answer 16

FALSE (location often provides a clue to the nature of the contact)

Question 17

What laboratory test helps in identifying the responsible allergen or allergens involved with contact dermatitis?

Answer 17

Patch tests

Question 18

Which contact dermatitis is a nonspecific inflammatory reaction resulting from toxic injury of the skin?

Answer 18

irritant contact dermatitis

Question 19

Which contact dermatitis is a cell-mediated, delayed type IV immunologic reaction?

Answer 19

allergic contact dermatitis

Question 20

Which rare eczematous appearing disease presents with ivory white papules and atrophic patches?

Answer 20

lichen sclerosis

Question 21

Which rare eczematous appearing disease affects the superficial epidermis, causing erythematous scaling with some crusting, and a few flaccid bullae and erosions?

Answer 21

pemphigus foliaceus

Question 22

What is a rare x-linked recessive disorder that may appear like atopic dermatitis?

Answer 22

Wiskott-Aldrich syndrome

Question 23

Which rare eczematous appearing disease is characterized by increased IgA & IgE levels, decreased IgM concentration, and impaired cell-mediated immunity?

Answer 23

Wiskott-Aldrich syndrome

Question 24

Which rare eczematous appearing disease is an inherited or acquired malady characterized by perioral, genital, and acral dermatitis plus diarrhea.

Answer 24

zinc deficiency

Question 25

idiopathic etiology, diagnose by exclusion when an underling cause such as an allergen or irritant cannot be found. Itching is chief complaint, sensitive skin to soaps moisturizers, etc. chonircally lichenification occurs, indistinct borders,

Answer 25

Essential Dermatitis

Question 26

characterized by deep seated vesicles involving the hands (palms), feet (soles), and sides of the digita; occurs bilaterally and symmetrically

Answer 26

dyshidrotic eczema

Question 27

generalized subacute dermatitis that follows a localized acute dermatitis usually of the feet or hands. hypersensitivity reaction to a substance produced by the acute dermatitis

Answer 27

auto sensitization or id eruption

Question 28

result of low humidity and dry skin. occurs in the winter and it manifests by dry fissured skin of the trunk and extremities. particularly effects elderly and lower legs of all ages.

Answer 28

Xerotic eczema

Question 29

oval weeping patches with crusted papulovesicles. it occurs on the trunk and extremities

Answer 29

nummular eczema

Question 30

chronic eczematous eruption of the skin that results of scratching. itch-scratch-itch cycle. precipitated by frustration depression and stress; lichenified plaque always occurs within reach of fingers

Answer 30

lochen simplex chronicus

Question 31

a psychodermatoses that is characterized by linear dug out lesions that typically spare the upper mid back where scratching fingers cannot reach. patients are usually neurotic women

Answer 31

Habitual (neurotic) excoriations

Question 32

chronic superficial inflammatory process affecting hair regions especially scalp, eyebrows, and face. yeast; associated with parkinsons disease and AIDS; patches and plaques with indistinct margins, mild to moderate erythema, and yellowish greasy scaling. "most common cause of butterfly rash"

Answer 32

Seborrheic Dermatitis

Question 33

eczematous patches or plaques overlying lower leg edema, chronic &itchy secondary to peripheral venous disease, adults, preceded by edema and swelling, varicose veins prominent, as is pitting edema of the lower leg, brown pigmentation, petetchiae

Answer 33

Stasis Dermatitits

Question 34

what are the 4 characteristics of dermatitis

Answer 34

1. edema 2. Brown pigmentation 3. Petechiae 4. Subacute and chronic dermatitis

Question 35

avoid the prolonged use of topical antibiotics when treating stasis dermatitis. WHY?

Answer 35

causes allergic contact dermatitis frequently

Question 36

rare, autosomal dominantly inherited genodermatosis. chronic, waxing and waning course beings in childhood lasts a lifetime; tan, pink, brown, rough feeling papules that coalesce into large plaques that can become infected resulting in crusting and weeping.

Answer 36

dariers disease

Question 37

neoplasm affecting the skin and extracutaneous organs, particularly bone marrow, sleep, liver, lungs, and lymph nodes. tan, pink, sometimes hemorrhagic, papules, and scaling, slightly eroded, patches.

Answer 37

langerhans cell histiocytosis

Question 38

multisystem disorder characterized by migrating erythematous, scaling, and crusted papules, patches, and plaques along with occasional vesicle and pustule. caused by a pancreatic tumor of the islet alpha cell

Answer 38

Glucagonoma syndrome