immune mediated mucocutaneous lll and lV Flashcards

(58 cards)

1
Q

Cutaneous Lichen Planus is a ____ ____ disease

A

immune mediated

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2
Q

Cutaneous Lichen Planus affects who

A

1% 30-60 years old

females

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3
Q

Cutaneous Lichen Planus, what does it look like?

A

Purple pruritic polygonal papules with Wickham’s striae

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4
Q

Cutaneous Lichen Planus where on the body is it found

A

Flexor surface of wrists, lumbar region, shins

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5
Q

Cutaneous Lichen Planus, how long does it last?

A

1-2 years disease course.

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6
Q

Oral Lichen Planus

A

may occur alone or with skin lesions. adults females

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7
Q

Oral Lichen Planus, where is it found in the oral cavity

A

bilateral buccal mucosa, tongue, gingiva
reticular form is most common
erosive form is most symptomatic

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8
Q

Oral Lichen Planus which form is most common

A

reticular

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9
Q

Oral Lichen Planus which form is most symptomatic

A

erosive

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10
Q

Oral Lichen Planus, how long can it last

A

years to decades

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11
Q

Reticular Oral Lichen Planus

A

interlacing white lines

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12
Q

dorsal tongue involvment

A

patchy keratosis and atrophy

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13
Q

erosive LP:

A

shallow ulcers, peripheral erythema and radiating white lines

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14
Q

_______ may be superimposed over either

A

C. albicans

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15
Q

Histopath characteristics of LP

A

characteristic microscopic features but these must be correlated with the clinical setting

Hyperkeratosis, alternating atrophy/thickening of spinous layer, pointed rete ridges, degeneration of the basal cell layer and a band-like infiltrate of lymphocytes

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16
Q

treatment of the different LP’s

A

reticular- no treatment

erosive- stronger topical corticosteroids

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17
Q

prognosis of LP

A

good

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18
Q

is LP premalignant

A

to evidence to support this, no

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19
Q

Lichenoid Mucositis

A

A number of conditions can mimic oral lichen planus, both clinically and histopathologically
Lichenoid drug reaction; lichenoid amalgam reaction; oral mucosal cinnamon reaction; lichenoid foreign body gingivitis; oral lesions of GVHD or lupus erythematosus; some epithelial dysplasias

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20
Q

Systemic Lupus Erythematosus is the most common of significant immune mediated diseases true or false

A

TRUE

1.5 mill affected in US

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21
Q

Systemic Lupus Erythematosus, whose affected the most

A

women 8 to 10 times more

average age 31

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22
Q

SLE clinically

A
  1. Protean manifestations initially
  2. Fever, weight loss, arthritis, fatigue, malaise
  3. Malar “butterfly” rash
  4. Skin lesions flare with sun exposure
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23
Q

this organ is often involved with SLE

A

Kidney 40-50%

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24
Q

most significant clinical complication with SLE

A

renal failure

25
can also see this organ affected by SLE
cardiac, pericarditis | 50% have vegetation on heart valves
26
frequency of oral involvement?
5-25%
27
SLE oral lesions appear as.....
May appear as non-specific or lichenoid ulcerations/keratotic areas
28
SLE affects what in the oral cavity?
Affect palate, buccal mucosa, or gingiva | can use topical corticosteroids to heal
29
diagnosis of SLE is based on what
clinical, histopathologic, immunopathologic, & serologic findings
30
SLE has a ______ microscopically
Lichenoid pattern
31
SLE has a positive ____ ____ ____, meaning
lupus band test, deposition of immunoreactants at BMZ of normal skin
32
_______ are present 95% of the time, especially to dsDNA
Anti-nuclear antibodies
33
treatments for SLE
avoiding expsure to UV light NSAID's for mild disease systemic corticosteroids for moderate cases
34
prognosis is worse for me or women?
men
35
prognosis of SLE
5 year is 95% | 20 year is 75%
36
most common cause of death of SLE is what
renal failure
37
Chronic Cutaneous Lupus
Related to SLE, but allmost exclusively affects skin and mucosa
38
chronic cutaneous lupus clincal
Scaly, erythematous patches appear on sun-exposed skin of the head and neck Scarring and atrophy as these lesions heal
39
oral lesions of chronic cutaneous lupus resemble what
erosive LP
40
Microscopic examination of oral lesion shows....
lichenoid mucositis and vasculitis
41
Serologic studies typically negative or positive for anti- nuclear antibodies?
negative
42
treatment of chronic cutaneous lupus includes
- avoiding UV light - Topical corticosteroids or calcineurin inhibitors are often helpful with either cutaneous or oral lesions - More difficult cases may require systemic anti-malarial drug therapy or low-dose thalidomide
43
is prognosis better or worse than SLE?
better
44
chance of CCL transforming into SLE?
5%
45
T/F in 50% of cases the skin lesions resolve after several years
true
46
Systemic Sclerosis also called what
scleroderma
47
Systemic sclerosis is a Relatively rare condition characterized by.....
inappropriate deposition of dense collagen | probably immune related
48
systemic sclerosis affects who?
women 3-5 times more | adult
49
systemic sclerosis clinical
1. Raynaud’s phenomenon; claw-like deformity of fingers; acro-osteolysis 2. Diffuse smooth, hard texture of skin 3. Pulmonary, renal, cardiac and GI fibrosis may be seen 4. Pulmonary fibrosis leads to hypertension and heart failure
50
systemic sclerosis oral problems
1. Microstomia, with pinched, “purse-string” appearance of mouth 2. Dysphagia with esophageal involvement 3. Diffuse widening of periodontal ligament 4. Resorption of posterior ramus, condyle, coronoid process or chin in 10-20%
51
systemic sclerosis Serologic studies show....
autoantibodies directed against Scl-70 (topoisomerase I)
52
systemic sclerosis, _____ is seen in biopsy of organs
dense collagen deposition
53
Anticentromere antibodies associated more with.....
CREST syndrome
54
systemic sclerosis treatment
No uniformly effective treatment Supportive care includes esophageal dilation, calcium channel blockers to ease Raynaud’s symptoms, ACE inhibitors to control hypertension Problems with oral hygiene/prostheses 55-60% with diffuse disease survive 10 years; 75-80% with limited disease
55
CREST Syndrome
``` Milder variant of systemic sclerosis Calcinosis cutis, Raynaud’s phenomenon, Esophageal dysfunction, Sclerodactyly, and Telangiectasia ```
56
CREST syndrome affects who the most
women, 6th and 7th decade
57
better or worse prognosis than systemic sclerosis
better
58
treatment for CREST syndrome
symptomatic care.