Chapter 5 Dermatologic Disorder Flashcards

1
Q

Papule

A

Single, uniformly brown-colored, slightly raised, irregularly shaped with defined boarders

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2
Q

Macule

A

Single, flat, non-palpable area of discoloration, irregularly shaped, and 0.5 cm at the widest diameter

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3
Q

Cyst

A

Single, firm, smooth, raised, dome-shaped, fluid-filled, flesh-colored encapsulated lesion of 1.5cm in diameter

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4
Q

Fissure

A

Linear-like cleavage with sharp walls through the epidermis “itchy and cracked”

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5
Q

Purpura

A

Flat, non-blanchable, confluent, purple-colored irregularly-shaped lesions on skin ranging in size

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6
Q

Wheal

A

clustered, smooth, slightly-raised, circumscribed, pruritic skin-colored lesions of various sizes, surrounded by an area of erythema

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7
Q

Linear

A

in streaks such as noted in phytodermatitis, with vesicular lesions forming, typically a number of hours after exposure to plant oil contained in poison ivy, poison oak, poison sumac

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8
Q

Clustered

A

Occurring in a group without pattern, such as the pattern of vesicular lesions seen in an outbreak of herpes simplex

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9
Q

Scattered

A

Generalized over body without a specific pattern or distribution, as seen in a viral exanthem such as rubella

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10
Q

Confluent or Coalescent

A

Multiple lesions blending together, such as plaques seen in severe psoriasis vulgaris

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11
Q

Annular

A

In a ring, seen in the characteristic “Bull’s Eye” lesion, often with central clearing, seen in Lyme Disease

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12
Q

Actinic Keratosis

A

scaling flesh colored lesions in a cluster, ranging in size from 3-10 mm on the dorsal aspect of the hand, present for a number of months, reported by a 78 year old man who worked for 40 years as an exterior house painter

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13
Q

Eczema/ Atopic Dermatitis

A

Intensely pruritic, reddened, thickened, scaly patches 5-10 mm in diameter on the anterior aspects of the lower legs described as being intermittently itchy that has been present for a number of months, reported by a 50 year old man who reports he has had dry and sensitive skin all of his life

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14
Q

Painless ulcerated lesion approx 1.5 cm in diameter that has been present for a number of weeks

A

need to biopsy to rule of malignancy

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15
Q

Actinic Keratosis

A

scaling flesh colored lesions in a cluster, ranging in size from 3-10 mm on the dorsal aspect of the hand, present for a number of months, reported by a 78 year old man who worked for 40 years as an exterior house painter

Red, brown, or flesh tone, scaly, often tender but usually minimally symptomatic

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16
Q

Characteristics of basal cell carcinoma

A

sun-exposed area, more common, new lesion, papule, nodule with or without central erosion, pearly or waxy appearance, usually relatively distinct. low metastatic risk

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17
Q

Squamous cell carcinoma characteristics

A

less common, sun exposed areas, can arise from actinic keratoses, red, conical hard lesions with or without ulcerations. less distinct boarders. looks “angry”. greater metastatic risk

18
Q

Malignant melanoma mnemonic

A

A- asymmetric
B- irregular borders
C- color not uniform
D- diameter (>6mm)
E- evolving & elevated

19
Q

Treatment for psoriasis vulgaris

A

medium-potency topical corticosteroid

20
Q

treatment for scabies

A

permethrin lotion

21
Q

treatment for verruca vulgaris

A

imiquimod cream

22
Q

treatment for tinea pedis

A

topical ketoconazole

23
Q

treatment for rosacea

A

topical metronidazole

24
Q

characteristic of eczema

A

dry, scaly skin, pruritis, and crusted or weeping sores; usually worse during cold, dry weather

25
characteristic of rosacea
facial redness, swelling and pustular lesions over the nose and cheeks with small visible blood vessles
26
characterisitcs of rosacea
facial redness, swelling and pustular lesions over the nose and cheeks with small visible blood vessels
27
characteristic of scabies
acute onset of pruritic, erythematous papules and burrows located over the wrist and hands
28
Characteristics of pityriasis rosea
solitary salmon-colored patch on the trunk that enlarges over a few days and is followed by a pattern of smaller lesions on the chest, abdomen, and back
29
Topical treatment of poison ivy
optimal for localized acute contact dermatitis mild or high potency topical corticosteroids such as triamcinolone. for areas of thinner skin (eyelids, face, genital) use low-potency such a desonide ointment skin atrophy risk with protracted use
30
systemic treatment of poison ivy
systemic corticosteroid preferred when >20% of total body surface area is affected, severe rash, or if rash impacts face, genitals, hands prednisone 0.5-1 mg/kg/day PO for 5-7 days
31
Adjunctive therapy for both systemic and topical treatment
cool compresses to relieve symptoms, calamine lotion and oatmeal baths OTC analgesics antihistamines
32
presentation of impetigo-nonbullous
erythematous macule that rapidly evolves into vesicle or pustule, ruptures, content dry, leaving a crusted, honey colored exudate
33
treatment of impetigo-nonbullous
topical mupirocin
34
presentation of impetigo- bullous
bulla contains clear, yellow fluid that turns cloudy, dark yellow. bullae rupture easily within 1-3 days leaving a rim of scale around red, moist base, followed by a brown- lcaquered or scalded skin apprearance
35
treatment of impetigo- bullous
usually requires systemic antimicrobial treatment
36
presentation of cellulities
infection of dermis and subcutaneous fat usually includes heat, redness, and discomfort in the region
37
presentation of cellulitis
infection of dermis and subcutaneous fat usually includes heat, redness, and discomfort in the region
38
treatment of cellulitis
requires systemic antimicrobial therapy
39
presentation of cutaneous abscess
skin infection involving a hair follicle and surrounding tissue- heat, redness and discomfort
40
treatment of abscess
treatment varies. moderate- i & D with culture; empiric RX usually TMP or doxycycline mild- I&D; warm compresses