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Dermatology > Lecture 12: Misc Derm Disorders > Flashcards

Lecture 12: Misc Derm Disorders Flashcards

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1
Q

What ethnicity is Acanthosis Nigricans MC in?

A

African Americans

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2
Q

If you see Acanthosis nigricans in a patient who is not obese or diabetic, it should raise your suspicion for…

A

Malignancy

Gastric carcinoma

Esp if not on the classic neck or axilla

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3
Q

The MC drug that can induce acanthosis nigricans is

A

Niacin

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4
Q

Acanthosis can be inherited via a (genetic pattern)

A

Autosomal dominant

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5
Q

The two classic locations for Acanthosis nigricans are…

A
  • Neck folds
  • Axillae
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6
Q

What is diagnostic for acanthosis nigricans?

Not required

A

Skin biopsy

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7
Q

Two chronic conditions commonly associated with acanthosis nigricans are…

A
  • DM
  • PCOS

I feel like he might ask you what labs to order if you see this

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8
Q

If a non-obese, non-diabetic, non-PCOS patient presents with acanthosis nigricans on their knuckles, you should consider sending them to…

A

GI for endoscopy

Gastric carcinoma

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9
Q

The MCC of pressure injuries overall is…

A

Impaired mobility

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10
Q

The MC 2 locations for pressure injuries are…

A
  • Sacrum
  • Hip
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11
Q

Pressure injuries place patients with same risk factors at () times greater risk of death

A

4.5x

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12
Q

The 2 MC hospital units/depts that pressure injuries occur in are…

A
  • Orthopedics
  • ICU
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13
Q

T/F: A pressure injury is generally wider at the base.

A

True

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14
Q

NPUAP staging for pressure injuries is specially for….

A

Initial evaluation + documentation

NOT TO EVALUATE WOUND PROGRESS

Also can’t reverse stage by healing.

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15
Q

Stage 1 pressure injury buzzwords

A
  • Skin is intact
  • Non-blanchable hyperemia

Skin intact is automatically stage 1

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16
Q

Stage 2 pressure injury buzzwords

A
  • No visible SC tissue
  • No granulation or eschar
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17
Q

Stage 3 pressure injury buzzwords

A
  • Full thickness skin loss
  • Exposed SC tissue
  • Eschar or granulation
  • Epibole: rolled wound edge
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18
Q

Stage 4 pressure injury buzzwords

A
  • Full thickness skin loss + tissue loss
  • Visible muscle/bone/cartilage
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19
Q

Unstageable pressure injuries are characterized by…

A

Covered in slough or eschar

Will be at least a stage 3.

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20
Q

T/F: You should remove a stable eschar in order to properly stage a pressure injury

A

False

Do not remove for staging purposes

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21
Q

A foul odor associated with a pressure injury indicates…

A

Anaerobic infection

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22
Q

The 3 mainstays of reducing risk factors for pressure injuries include…

A
  1. Nutrition (more protein/calories)
  2. Redistribute pressure (Q2h turns, head < 30deg to reduce sacrum pressure, massage)
  3. Clean skin (mild cleansing) and keep dry
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23
Q

Local wound care of a stage 1 pressure injury is…

A

Cover with transparent film for protection.

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24
Q

Local wound care for a stage 2 pressure injury uses…

Study These Flashcards
A

Transparent or hydrocolloid dressings.

25
Hydrocolloid wound dressings cannot be used in...
Active infection
26
Local wound care for stage 3/4 pressure injuries is...
Debridement
27
A pressure ulcer scale score will (inc/dec) with healing
Decrease
28
Your patient with a stage 1-2 pressure injury wants to know how long it will take for their wound to heal.
1-2 weeks
29
Your patient with a stage 3/4 pressure injury wants to know how long it will take them to heal.
6-12 weeks
30
The MC complications associated with pressure injuries is...
Infection
31
Hidradenitis suppuritiva is a chronic suppurative disease of the () gland bearing skin areas
Apocrine
32
Hidradenitis suppurative MC is found in (sex) and begins at ...
Females at onset of puberty
33
The Characteristic finding on physical exam for hidradenitis suppurativa is...
Open comedones | Blackheads
34
Immediate treatment of acute lesions in hidradenitis suppurativa uses 3 options:
* Intralesional steroids followed by I&Ds of abscesses * Oral abx: B-lactamase PCN, cephalos, augmentin, clinda * Oral steroids
35
Recurrent hidradenitis suppurativa lesions can be treated pharmacologically with oral ...
* Clinda + isotreinoin * Systemic biologics (tx-resistant, mod-severe): adalimumba/humira or infliximab/remicade | Kinda similar to just acne tx
36
Surgical treatment in hidradenitis suppurativa is only for... and requires () margins
Chronic recurrent, fibrotic nodules, or sinus tracts with **WIDE MARGINS**
37
T/F: You should advise patients to use cold compresses with Burow solution for Hidradenitis suppurativa.
False, should be warm
38
What are the 3 types of acute photosensitivity?
* Sunburn * Rash * Urticarial
39
The terms used to describe chronic photosensitivity changes to skin are...
* Dermatoheliosis * Photoaging
40
Which UV band causes acute sunburn?
UVR | All of them? does UVR just mean UV radiation
41
In a patient with severe sunburn, they may appear like they have ()
FLS | Fever, chills, fatigue, weakness, tachycardia
42
Timing wise, sunburns will develop after () hours and peak after () hours
6-24 hours
43
The topical tx for acute sunburns are... (3)
* Cool, wet dressings * Topical glucocorticoids * Aloe vera
44
SPT I/II should avoid sun exposure between the hours of...
10AM-2PM
45
There are two types of drug/chemical reactions related to photosensitivity, which are...
* Phototoxic: similar to irritant contact dermaitis or sunburn. * Photoallergic: Type IV HSR like allergic eczematous contact dermatitis
46
Xerosis is characterized by dry skin with a () texture and is often (symptom)
* Scaly * Pruiritic
47
What is the underlying pathophysiology of xerosis?
* Low lipid levels in stratum corneum * Deficiency in water-binding capacity
48
By the age of (), you would expect most patients to have some degree of xerosis
60
49
The 3 MC locations for xerosis are...
* Lower extremities * Trunk * Dorsal hands
50
The 3 possible organs you should consider for underlying cause in xerosis are...
* Thyroid * Renal * Liver
51
A patient pearl for improving xerosis is after showering...
1. Pat skin to keep it moist 2. Place lotion onto **DAMP SKIN** | ty mak best derm PA i know
52
Ichthyosis vulgaris is inherited via an ()
Autosomal dominant pattern
53
Ichthyosis is characterized by () skin texture and is seen often with conditions like (2)
* Fish-skin-like scale * Atopic Dermatitis * Keratosis pilaris | Abnormal Cornification
54
Generally, ichthyosis vulgaris presents between the months of () and resolves in ()
3-12 months, but alleviates in adulthood. | Its like childhood xerosis
55
Adulthood onset ichthyosis vulgaris is associated with...
Systemic disease + malignancy
56
Besides fish skin, you should look for (2) on the palm in ichthyosis vulgaris
* Accentuated palmar creases * Scaly palms
57
The diagnosis of ichthyosis vulgaris is made...
Clinically, but biopsy is characteristic
58
The mainstay of therapy for ichthyosis vulgaris is...
Emollients | Esp after bathing. ## Footnote Use non-drying soaps like Dove or non-soap cleansers like cetaphil.
59
You can use mid-potency topical steroids for ichthyosis vulgaris if there is associated (2)
Itching or dermatitis

Dermatology (12 decks)

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