6. Acute Oral Ulcers Flashcards
(105 cards)
What is the etiology of Aphthous Ulcers (canker sores)?
Undetermined Etiology
- Thought to represent a Type IV T8 Cell Cytotoxic Rxn to an antigen
- Especially when mucosal barrier is compromised OR there is a hyper-immune response
Aphthous Ulcers are ALWAYS…
Acutely Painful or tender
Where do Aphthous Ulcers develop?
Labial, NON-keratinized mucosa (moveable) then heal
What do Aphous Ulcers spare/not develop?
-
Gingiva
- If pt says its the gums, its probs the alveolar mucosa
- Hard Palate
- Dorsal Tongue
What is the histology of Aphtous Ulcers?
Non-specific, non-diagnostic Ulcer
no need for biopsy for dx
What is the most common type (20-60%) of aphtous ulcer?
RAU minor
What aphtous ulcer is ocasionally seen, with most cases in females?
Herpetiform apthae
What type of aphtous ulcer is rare?
RAU Major
What is the clinical presentation of RAU minor?
- 1-5 small (3mm < 1cm) well demarcated, circular ulcers surrounded by a red border
What is the clinical presentation of Herpetiform aphthae?
- Numerous (6-100) crops of small, irregular ulcers that can coalesce and become larger ulcers
What is the clinical presentation of RAU major?
- Several large (1-3cm), deep (into muscle), ragged ulcers
- Painful enough to encourage suicide
Where is RAU minor located?
- Confined to labile mucosa or oral cavity
- NEVER on gingiva or hard palate
Where is Herpetiform aphthae located?
- Mostly on labial mucosa
- RARELY on hard palate or gingiva
Where is RAU major located?
- Can occur anywhere including pharynx (pretty common location for them)
What is the frequency of RAU minor?
- Episodes Every Few Months
- Triggered by trauma (cheek biting, tooth brushing, after CPR training, trauma from ortho), stress, foods, meds
What is the frequency of Herpetiform aphtae?
- Frequent episodes (every couple weeks)
What is the frequency of RAU major?
- Almost always present (as 1 heals another 1 starts)
What is the healing time for RAU minor?
Heal w/o scars in 1-2 wks
What is the healing time for Herpetiform aphthae?
Heal w/o scars in 1 wk
What is the healing time for RAU major?
- Heal with SCARS in 2-6 wks
- Constriction of the oral cavity; Microstomia
What is the preferred treatment for RAU minor?
Chemical Cautery
eradicates the pain but won’t prevent new ones
What is the preffered treatment for Herpetiform aphthae?
Topical or Systemic Steroids
What is the prefered treatment for RAU major?
- Systemic Steroids
- Intralesional Steroid Injection, around the base of the ulcer
-
Dangerous Drugs
- Bone marrow consequences
- Birth defects
What are the features of Behcet Syndrome?
- Systemic vasculitis that features multiple aphtous ulcers of various size in 90% ALONG WITH:
- Genital Ulcers (75%)
-
Inflammatory Eye and Conjunctival Lesions (80%)
- Blindness (25%)
- Neurologic Sxs (10-20%)
- Assoc with poor prognosis, dementia and paralysis
- Arthritis (common but mild)
- Varied skin lesion