vesiculobollous and ulcerative lesions Flashcards
Lichen Planus general info
* Occurs in what decades
* mean age?
* Rare in what age group?
* % incidence;% with oral lesions have concomitant skin lesions
* % (cutaneous incidence); % also have oral lesions
* predominate demo?
- Occurs in fourth to eighth decades
- mean age in 5th decade
- Rare in children
- 3 to 4% incidence; 25% with oral lesions have concomitant skin
lesions) - 0.5 to 1% (cutaneous incidence); 50% also have oral lesions
- White females (60%)
distribution of LP
- Bilateral and often quasi-symmetric
distribution - Oral site frequency:
1. buccal mucosa
2. tongue
3. gingiva
4. lips - Skin sites: forearm, shin, scalp, genitalia
LP pathophys
not infectious/ not hypersensitivity
autoimmune disease; T-lymphocytes attack Langerhan cells in epithelium of affected areas
Causes chronic inflammatory lesions with varying episodes of intensity
LP etiology
meds?
vax?
allergens?
● NSAID’s (ibuprofen and naproxen)
● Various medications for heart disease, hypertension (hydrochorthiazide, etc.) , rheumatoid arthritis
Hepatitis C infection and other types of liver disease
* Vaccines - Hepatitis B, various flu vaccines, effect of the COVID vaccine uncertain
* Food allergens, dental materials or other substances
contributary factors to LP
Co-morbidities are contributary
- Diabetes
Vices are contributary
- EtOH, tobacco, etc
Erosive LP clinical presentation
● Erythematous
● Ulcerated
● Keratotic striations
● episodic pain to severe discomfort.
LP progression of symptoms
● asymptomatic
● itching
● episodic pain
● severe discomfort.
clinical forms of LP
Reticular - most common
Erosive – most painful
Patch – simulates dysplasia
Bullous – clinically similar to diseases of greater morbidity
reticular LP
● lacy
● striated
● “Wickham” striae
reticular LP
Erosive Lichen Planus locations
Buccal and labial mucosa
tongue laterodorsum
Gingiva
Palate (???)
erosive LP presentation
Large, irregular atrophic erythematous patches
diffuse outlines
Progress to ulcerations, pseudomembranous cover
Erosive LP symptoms
Episodic pain to severe discomfort
Symptoms may persist weeks or longer
Symptoms result in weight loss, nutritional deficiencies and depression.
bullous LP
Bullous Lichen Planus app
Small broken bullae/ulcers near white keratotic striae.
Differential Diagnosis for LP
lichenoid dysplasia
contact stomatitis
lichenoid reaction.
Treatment Goals LP
There is no cure, therefore;
Reduce length and severity of symptoms
Resolve oral mucosal lesions
Reduce risk of malignant degeneration to squamous cell carcinoma
Treatment Issues LP
Maintain good oral hygiene because meticulous oral hygiene reduces symptom severity
Oral hygiene is difficult to accomplish during active disease
Treatment options for LP (rx)
Oral anesthetic rinse (1% Dyclonine solution)
Antibiotics
Antifungals (with steroid); nystatin with triamcinolone
Corticosteroids
tx regimens LP
gel better than cream, less soluble
steroid carriers
Need to border mold the
impressions so tray extends
to mucobuccal folds for rx delivery
Intra-lesion steroid injections for LP
12 mg/week dexamethasone for 8 weeks
5 -10 mg/week triamcinolone PRN
systemic roids for LP
antiviral tx for LP
Hydroxychloroquine (Plaquenil)
- relieve inflammation, swelling, stiffness, and joint pain