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Derm1 > Dx skin Dz > Flashcards

Dx skin Dz Flashcards

1
Q

Macule

A

Circumscribed, flat discoloration

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2
Q

Epidermis fx is?

A 
Barrier to pathogens
Water regulation (sensible losses)
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3
Q

Secondary lesions are

A

the evolutionary component of a developing skin Dz

Created 2nd to another process (itch/inf)

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4
Q

Primary lesion is?

A

Basic lesion that 1st forms and allows for the initial orientation/DDx to begin.

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5
Q

Dilated hair follicle comedone?

A

Blackhead

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6
Q

Comedone

A

sebaceous/keratinous material plugged in hair follicle opening.
orifice may be dilated (blackhead)
or narrowed (whitehead)

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7
Q

Burrow,

A

narrow, elevated, tortuous channel produced by a parasite

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8
Q

Ulcer

A

focal loss of epidermis and dermis; heals with scarring

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9
Q

Lichenification,

A

area of thickened epidermis induced by scratching; accentuated skin lines look like washboard

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10
Q

Bulla

A

circumscribed collection of free fluid >0.5 cm in diameter

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11
Q

Cyst,

A

circumscribed lesion with a wall and a lumen containing either fluid or solid material

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12
Q

Plaque

A

circumscribed, elevated, superficial, solid lesion >0.5 cm in diameter
-Confluence of papules

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13
Q

Most skin disease have what?

A

Preferred areas of involvement

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14
Q

Wheal (hive)

A

firm edematous plaque resulting from infiltration of the dermis with fluid; transient; lasting only few hours

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15
Q

Crust

A

collection of dried serum and cellular debris (scab)

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16
Q

What is the key to accurate decription/interpretation of cutaneous Dz?

A

ID primary lesion

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17
Q

Petechiae,

A

circumscribed deposit of blood < 0.5 cm in diameter

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18
Q

Atrophy

A

depression of skin resulting from epidermis/dermis thinning

19
Q

FOur main TXT categories are?

A

Topical
Systemic
Surgical
Phototherapy

20
Q

Key to performing PE

A

Determine primary vs 2ndary and special
Distribution pattern/extent w/
Lens and good lighting

21
Q

If a Dx is not established then what?

A

No meds Rx (Do not try to guess and refer when it doesnt work)

22
Q

Secondary lesion examples

A 
Atrophy
Crust
Erosion
FIssure
Scales 
Scar
Ulcer
23
Q

Telangiectasia,

A

Dilated superficial blood vessels

24
Q

When inspecting include what?

A

Mucous membranes
Genitals/Anal region
Hair/Nails
Peripheral lymph nodes

25
Q

Purpura

A

circumscribed deposit of blood >0.5 cm in diameter

26
Q

What type of specialty is dermatology?

A

Morphologically oriented specialty

-Must interpret what is seen

27
Q

Primary lesion examples?

A 
Macule > Patch
Papule > Plaque
Nodule > Tumor
Pustule
Vesicle
Bulla
Wheal (hive)
28
Q

Tumor

A

large nodule

29
Q

Dermatology methodical approach to care/TXT

A

HX
PE (Distribution, Primary/2ndary and special lesions)
DDx
Tests

30
Q

Nodule

A

circumscribed, elevated, solid lesion >0.5 cm in diameter

31
Q

Patch

A

macule that is >1 cm in size as a patch

32
Q

Pustule

A

circumscribed collection of leukocytes and free fluid that varies in size

33
Q

Excoriation

A

erosion caused by scratching; often linear

34
Q

Epidermis varies in thickness by?

A

0.3mm (eye lids) - 3mm (back)

35
Q

Special lesion examples

A 
Burrow, 
Comedone, 
Cyst, 
Excoriation, 
Lichenification, 
Milia, 
Petechiae, 
Purpura
Telangiectasia,
36
Q

Fissure

A

linear loss of epidermis and dermis with sharply defined, nearly vertical walls

37
Q

Scar

A

abnormal formation of connective tissue implying dermal damage

38
Q

Milia,

A

small, superficial keratin cyst with no visible opening

39
Q

Scales

A

Excess dead epidermal cells produced by ABNL keratinization and shedding

40
Q

Narrowed hair follicle comedone?

A

Whitehead

41
Q

Vesicle

A

circumscribed collection of free fluid <0.5 cm in diameter

42
Q

Erosion

A

focal loss of epidermis not penetrating into dermoepidermal jx therefore healing w/out scarring

43
Q

Papule

A

Elevated solid lesion <0.5 cm in diameter in various colors.

Derm1 (7 decks)

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