immune mediated mucocutaneous lll and lV Flashcards
(58 cards)
Cutaneous Lichen Planus is a ____ ____ disease
immune mediated
Cutaneous Lichen Planus affects who
1% 30-60 years old
females
Cutaneous Lichen Planus, what does it look like?
Purple pruritic polygonal papules with Wickham’s striae
Cutaneous Lichen Planus where on the body is it found
Flexor surface of wrists, lumbar region, shins
Cutaneous Lichen Planus, how long does it last?
1-2 years disease course.
Oral Lichen Planus
may occur alone or with skin lesions. adults females
Oral Lichen Planus, where is it found in the oral cavity
bilateral buccal mucosa, tongue, gingiva
reticular form is most common
erosive form is most symptomatic
Oral Lichen Planus which form is most common
reticular
Oral Lichen Planus which form is most symptomatic
erosive
Oral Lichen Planus, how long can it last
years to decades
Reticular Oral Lichen Planus
interlacing white lines
dorsal tongue involvment
patchy keratosis and atrophy
erosive LP:
shallow ulcers, peripheral erythema and radiating white lines
_______ may be superimposed over either
C. albicans
Histopath characteristics of LP
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
treatment of the different LP’s
reticular- no treatment
erosive- stronger topical corticosteroids
prognosis of LP
good
is LP premalignant
to evidence to support this, no
Lichenoid Mucositis
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

Systemic Lupus Erythematosus is the most common of significant immune mediated diseases true or false
TRUE
1.5 mill affected in US
Systemic Lupus Erythematosus, whose affected the most
women 8 to 10 times more
average age 31
SLE clinically
- Protean manifestations initially
- Fever, weight loss, arthritis, fatigue, malaise
- Malar “butterfly” rash
- Skin lesions flare with sun exposure
this organ is often involved with SLE
Kidney 40-50%
most significant clinical complication with SLE
renal failure