Oral lesions Flashcards
What are the risk factors for leukoplakia?
tobacco and ETOH use.
Tobacco is responsible for 70-90%, ETOH increases risk 1.5 fold
Leukoplakia can lead to which type of cancer?
sqamous cell carcinoma
Adherent white patches and plaques on oral mucosa or tongue is called…
leukoplakia
How would you diagnose leukoplakia in a patient whom you suspect has it?
biopsy can show benign hyperkeratosis, parakeratosis, atrophy, inflammation hyperplasia without dysplasia.
Which is more common: leukoplakia or erythroplakia?
erythroplakia is less common.
What percent of erythroplakia developes into cancer?
80%
a patient presents with a red, velvety patch on the floor of the mouth. what is your suspected diagnosis?
erythroplakia
What is the distinguishing feature of oral hairy leukoplakia?
vertically corrugated adherent white lesions.
typically on lateral surface of the tongue
what is the tx of choice for oral hairy leukoplakia?
none usually indicated
A patient presents with ulcers or masses that do not appear to heal. Her dentures have started fitting poorly. Pt. complains of odynophagia, sore throat and weight loss. What is the presumptive diagnosis?
Oral SCC.
How does oral SCC present?
- persistent papules, plaques, ulcers and erosions.
- changes to dentition, lesions on tongue or lip.
- dysphagia, odynophagia, sore throat, hoarseness, bleeding, weight loss
What do you find on biopsy of oral SCC?
dysplasia defined by presence of mitoses and prominent nuclei.
How do you treat oral SCC?
- ENT referral.
2. surgical resection or radiation/chemoradiation
What should be included in the DDx of every pigmented oral lesion?
oral melanoma
who typically develops oral melanoma?
patients in 5th-7th decade
How do you evaluate suspected oral melanoma?
- endoscope for paranasal disease
- CT/MRI of primary site
- CT or PET to asses lymph node involvement or distant mets
Pinkish/blue soft papule filled with gelatinous fluid.
mucocele
which herpes virus causes herpetic gingivostomatitis?
HSV-1
describe the oral lesions associated with HSV-1
grouped vesicles on an erythematous base
HSV-1 can be seen in these locations in the oral cavity…
buccal mucosa, tongue, gingiva, hard palate, pharynx, lips, perioral skin.
Describe the prodrome of HSV-1 infection.
pain, burning, tingling 6-48 . hours before lesion appear.s
may have fatigue and low grade fever
How do you diagnose HSV-1 infection?
- clinical presentation
- viral culture of active lesion
- tzanck smear (also seen w/ varicella)
Tx of HSV-1
oral antivirals at onset of prodrome: acyclovir, valacyclovir, famciclovir
Supportive care: fluids, miracle mouthwash, analgesics
What should you tell a patient who has HSV-1 infection?
- avoid contact w/ elderly, babies, immunocompromised
- don’t kiss, share beverages, etc.
- have good hand hygeine
- avoid salty, acidic, sharp foods
- educate on prevalence to reduce stigma
Differentiation of HSV from herpes zoster?
h. zoster occurs unilaterally on the hard palate.
What areas are spared in coxsackie infection?
gingiva and lips
What pathogen is responsible for oropharyngeal candidiasis?
candida albicans
what risk factors are associated with oropharyngeal candidiasis
- infancy
- denture wear
- immunocompromised
- DM
- chemo/radiation
- broad spectrum abx
- CS
How would you describe the presentation of oropharyngeal candidiasis?
- presents with ST, mouth pain.
- creamy white patches/plaques w/ underlying erethematous mucosa.
- “thrush will brush”
- angular cheilitis
Diagnosis of oropharyngeal candidiasis
KOH prep.
Tx for oropharyngeal candidiasis?
1st line: topical nystatin, oral suspension
2nd line: clotramazole oropharengeal lozanges
Pt. education to clean carefully.
What induces erythema multiforme major?
- HSV
EMM presents with…
- target lesions on skin
2. duffuse mucosal erythema, painful erosions or bullae
Where can lesions of EMM be found?
oral mucosa, genitals
Tx for EMM?
symptomatic tx including:
- topical CS for cutaneous lesions
- oral antihistamines
- miracle mouthwash
Precaution for EMM?
ocular involvement, emergent ophthalmology referral
A patient presents with a several shallow, oval shaped lesions with a grayish base on the buccal and labialmucosa. What is the presumptive diagnosis?
- aphthous ulcer.
Tx of apthous ulcer?
- self-limiting (10-14 days)
- avoid irritating food/drink
- topical CS if needed (oralone)
How would you describe the presentation of behcet syndrome?
- recurrent oral and genital ulcers mostly involving the scrotum and vulva.
- painful, shallow to deep, with central yellow necrotic base
Dx of behcet syndrome
1. 3 or more ulcers/year and either: recurrent genital ulcers occular lesions cutaneous lesions posive pethergy test
Tx for behcet syndrome?
rheumatology referral
Describe the process of the pathergy test…
- tests for nonspecific hyperreactivity of the skin following minor trauma
- intradermal injection w/ sterile 20 gauge needle
- positive if erythematous sterile papule develops within 48 hours
Three componants to oral lichen planus presentation:
- reticular, lacy white plaques on buccal mucosa
- erythematous
- erosive
Tx for oral lichen planus:
- pain relief
2. high potency CS
precaution for topical CS use in oral cavity:
- dry with gauze first, avoid eating and drinking for 30 minutes.
What is associated with black hairy tongue?
- abx
- candida infection
- poor hygeine
Tx of black hairy tongue
brush affected area w/ soft bristles and toothpaste BID/TID
Presentation of geographic tongue:
erythematous patches on dorsal tongue w/ circumferential white borders.
may change location, pattern and size
Etiology of atrophic glossitits?
inflammatory disorder leading to atrophy of filiform papillae
A pt. presents with a smooth, glossy, erythematous tongue and reports burning sensation when eating acidic or salty foods. What is the presumptive diagnosis?
atrophic glossitis
What preparations do you prescribe for few localized lesions?
gels
what preparation do you prescribe for generalized erythema?
rinse
What should you always educate patients about when prescribing topical CS?
oral candidiasis
When there are severe lesions and symptoms, what do you prescribe?
systemic therapies.