White lesion Flashcards
White appearing lesions of the mucosal mucosa from the scattering of light through an altered mucosal surface
White Lesion
MUCOSAL ALTERATIONS of White Lesion
Hyperkeratosis- appears white
Hyperplasia of the stratum malpighi (basale)
Intracellular edema of epithelial cells
Reduced vascularity of subjacent CT
Color of exudate and other surface contaminants
Etiology of White Lesion
Physical trauma
Tobacco use
Genetic abnormalities
Mucocutaneous diseases
Inflammatory reactions
SUBCLASSIFIED ACCORDING TO:
Hereditary Conditions
Reactive Lesions
Other mucosal white lesions
Other non epithelial white lesions
Pre-neoplastic & neoplastic lesions
WHITE LESIONS HEREDITARY CONDITIONS
Leukoedema
White Sponge Nevus
Hereditary Benign Intraepithelial Dyskeratosis (HBID)
Follicular Keratosis
Generalized mild opacification of buccal mucosa
Variation of normal
No definitive cause
More prevalent in black population
Shows milder presentation in whites
LEUKOEDEMA
Etiology of Leukoedema
No definitive cause
Implicated factors of Leukoedema
Smoking
Alcohol Ingestion
Bacterial Infection
Salivary Conditions
Electrochemical Interaction
Poor oral hygiene and abnormal masticatory problems
CLINICAL FEATURES OF LEUKOEDEMA
Asymptomatic; Symmetrical
Gray-white, diffuse, filmy or milky, opalescent
Exaggerated cases result in wrinkling or corrugation (scalloped shaped areas) of the mucosa
Gentle stroking with gauze pad or tongue depressor will not remove it
Bilateral on the buccal mucosa
COMMON LOCATION OF LEUKOEDEMA
Bilateral on the buccal mucosa
border of the tongue
How to differentiate leukoedema from other white lesions
With stretching of the buccal mucosa, the opaque changes will dissipate
EPITHELIAL HISTOPATHOLOGY OF LEUKOEDEMA
Epithelium is parakeratotic
Epithelium is acantholytic (Irregular thickening of the epidermis/ epithelial layer)
Marked intracellular edema of spinous cells
Enlarged epithelial cells with small pyknotic nuclei in optically clear cytoplasm
DIFFERENTIAL DIAGNOSIS OF LEUKOEDEMA
Leukoplakia
White Sponge Nevus (Cannon’s Disease)
Hereditary Benign Intraepithelial Dyskeratosis (HBID)
TREATMENT OF LEUKOEDEMA
No treatment is required
PREMALIGNANT BA SI LEUKOEDEMA?
No premalignant tendencies
Clinical appearance commences during adolescence & has equal predilection for males and females
WHITE SPONGE NEVUS (CANNON’S DISEASE)
Rare genodermatosis that is inherited as an autosomal dominant trait - defects in the normal keratinization of the oral mucosa
WHITE SPONGE NEVUS (CANNON’S DISEASE)
Mistaken for leukoplakia
WHITE SPONGE NEVUS
CLINICAL FEATURES OF WHITE SPONGE NEVUS
Typical appearance: white lesion which is elevated and look irregular, have fissures and plaque formation
Painless
Deeply folder, white or gray lesions affecting the mucosa
Bilateral and symmetrical
Appears early in life (adolescence)
Keratosis in the buccal mucosa
Thicker than leukoedema
OTHER NAME FOR WHITE SPONGE NEVUS
CANNON’S DISEASE
HISTOPATHOLOGY OF CANNON’S DISEASE
Spongiosis
Acanthosis
Parakeratosis
Pronounced intracellular edema: edematous (fluid accumulation)
Mode of keratinization is characterized by the retention of the nuclei in the stratum corneum
DIFFERENTIAL DIAGNOSIS OF CANNON’S DISEASE
Hereditary Benign Intraepithelial Dyskeratosis (HBID)
Pachyonychia Congenita
Lichen Planus (Hypertrophy type)
Cheek biting or traumatic/ frictional keratosis
Affecting the nails and skin
Blisters in soles on their feet (painful) and palms
White patches on tongue and buccal mucosa
Pachyonychia Congenita
TREATMENT FOR CANNON’S DISEASE
No treatment - self limiting
IS WSP MALIGNANT
No malignant tendencies
CLINICAL FEATURES OF HBID
Syndrome
Early onset (first yr of life) - gradually intensifies until mid-adolescence
Bulbar Conjunctivitis
Oral lesions
Witkop’s Disease
HEREDITARY BENIGN INTRAEPITHELIAL DYSKERATOSIS (HBID)
HBID
HEREDITARY BENIGN INTRAEPITHELIAL DYSKERATOS
Rare autosomal dominant disorder characterized by elevated epibulbar and oral plaques and hyperemic (increased blood volume) conjunctival blood vessels
HEREDITARY BENIGN INTRAEPITHELIAL DYSKERATOSIS (HBID)
foamy plaques - triangular in shape in the eye area (corneal limbus)
Bulbar Conjunctivitis
HBID ORAL LESION IS FOUND IN
Buccal and labial mucosa
Labial commissures
Floor of the mouth
Lateral surfaces of the tongue
Gingiva
Palate
Except the dorsum of the tongue
Usually detected within the 1st yr of life
Gradually increase in intensity until mid adolescence
Variations: deeply folded, opaque, white lesions to more delicate, opalescent areas
Hypodontia
Accompanied by ocular lesions
HEREDITARY BENIGN INTRAEPITHELIAL DYSKERATOSIS (HBID)
Vary seasonally
Patient complain of photophobia, especially in early life
Blindness secondary to corneal vascularization
Spontaneous shedding of the conjunctival plaques occurs on a seasonal basis
Ocular lesions
HISTOPATHOLOGY OF HBID
Similarities between oral and conjunctival lesions are noted microscopically
Cell within a cell
Non-dyskeratotic (Enlarged, edematous and elongated)
Ocular lesions
Vary seasonally
Patient complain of photophobia, especially in early life
Blindness secondary to corneal vascularization
Spontaneous shedding of the conjunctival plaques occurs on a seasonal basis
Similarities between oral and conjunctival lesions are noted microscopically (HBID)
Epithelial hyperplasia
Acanthosis
Significant hydropic degeneration
Enlarged, hyaline, and so called waxy eosinophilic cells present in the epithelium
Cell within a cell
Eosinophilic cells within the middle and superficial spinous regions become surrounded by adjacent cells (parang nakasandwich yung cells)
Darrier’s Disease / Darrier’s white-disease
FOLLICULAR KERATOSIS
TREATMENT OF HBID
No treatment is necessary unless it becomes invasive
Condition is self limiting
DIFFERENTIAL DIAGNOSIS OF HBID
White sponge nevus
Pachyonychia Congenita
Hypertrophic Lichen Planus
RISK OF MALIGNANCY OF HBID?
No risk of malignant transformation
Genetically transmitted disorder with an autosomal dominant mode of inheritance
FOLLICULAR KERATOSIS
CLINICAL FEATURES OF DARRIER’S DISEASE/FOLLICULAR KERATOSIS
Onset: childhood or adolescence
accompanied by skin lesions; has a predilections for the skin; 13% of its patients forming oral lesions
Skin manifestations
Oral Lesions
SKIN MANIFESTATION OF DARRIER’S DISEASE/FOLLICULAR KERATOSIS
small, skin-colored papular lesions, symmetrically distributed over the face, trunk, and intertriginous areas
Papules eventually coalesce and feel greasy because of excessive keratin production
Finger Nail Changes
Lesions may also occur unilaterally
Hyperkeratosis Palmaris et Plantaris)
ORAL LESION MANIFESTATION OF DARRIER’S DISEASE/FOLLICULAR KERATOSIS
Oral lesions closely resemble the cutaneous lesions
Asymptomatic
Favored oral mucosa sites/Predilection: attached gingiva and hard palate
Small, whitish papules producing an overall cobblestone appearance
Papules range from 2 to 3 mm in diameter may become coalescent (dikit-dikit)
HISTOPATHOLOGY OF FOLLICULAR KERATOSIS
Suprabasal lacunae (clefts) formation containing acantholytic epithelial cells
Dyskeratotic process characterized by a central keratin plug that overlies epithelium exhibiting a suprabasal cleft
Intraepithelial clefting phenomenon
DIFFERENTIAL DIAGNOSIS OF FOLLICULAR KERATOSIS
Dyskeratosis congenita (rare)
Acanthosis nigricans
Condyloma acuminatum
Nicotine stomatitis
Acantholytic dyskeratosis
Hailey-hailey disease
TREATMENT OF FOLLICULAR KERATOSIS
Vitamin A/ retinoids used - not advisable for long term therapy because the occurrence of systemic toxicity
Topical corticosteroids and Vitamin A analog retinoic acid
Side effects OF CORTICOSTEROIDS
cheilitis,
elevation of serum liver enzymes and triglycerides
severe dryness of the skin.
PROGNOSIS OF FOLLICULAR KERATOSIS
The disease is chronic and slowly progressive
Recurrence may be noted in some patient
Non malignant
WHAT DISEASE IS MALIGNANT UNDER HEREDITARY WHITE LESION
NONE
WHITE LESIONS: REACTIVE LESIONS
Focal (frictional) Hyperkeratosis
White lesions associated with smokeless tobacco
Nicotine stomatitis
Hairy Leukoplakia
Hairy Tongue
Dentifrices associated slough
Related to chronic rubbing or friction against an oral mucosa surface
FOCAL (FRICTIONAL) HYPERKERATOSIS
Chronic rubbing or friction against an oral mucosal surface — Resulting in Hyperkeratotic white lesion that is analogous to a callus on the skin
FOCAL (FRICTIONAL) HYPERKERATOSIS
commonly occur in highly traumatized areas such as the lips, lateral margins of the tongue, buccal mucosa along occlusal line and edentulous ridges
Frictional/Benign Hyperkeratosis
Other term: FOCAL (FRICTIONAL) HYPERKERATOSIS
Frictional/Benign Hyperkeratosis
Denture callous or ridge callus
Most common white lesion in the oral cavity
FOCAL (FRICTIONAL) HYPERKERATOSIS
May form due to chronic lip or cheek chewing that may result to keratinization that present itself as opacification at the affected area
FOCAL (FRICTIONAL) HYPERKERATOSIS
ETIOLOGY OF FOCAL (FRICTIONAL) HYPERKERATOSIS
Chronic Irritation
Broken tooth or restoration
Habitual cheek or lip biting
Vigorous tooth brushing
Hyperocclusion
Ill fitting denture
Hyperkeratotic white lesions (analogous to callus on the skin)
Protective action against low grade long term trauma
CLINICAL FEATURES OF FOCAL (FRICTIONAL) HYPERKERATOSIS
Lip
Lateral margin of tongue
Buccal mucosa along occlusal line
Edentulous alveolar ridges
Chronic cheek or lip chewing = opacification (keratinization) of the affected area
Chewing on edentulous alveolar ridges produces the same effect
Doesn’t often need biopsy
HISTOPATHOLOGY OF FOCAL (FRICTIONAL) HYPERKERATOSIS
Chronic Inflammatory Cells
Hyperkeratosis (thickened layer or keratin) or
Parakeratosis (keratin layers shows remnants of epithelial nuclei)
TREATMENT OF FOCAL (FRICTIONAL) HYPERKERATOSIS
Elimination of the cause Repair broken tooth, restoration or ill fitting denture (polish), wear mouth guard
Address the causative habit: encourage the patient to discontinue habit
ETIOLOGY OF WHITE LESIONS ASSOCIATED WITH SMOKELESS TOBACCO
Direct contact with smokeless tobacco and contaminants
Snuff form of tobacco
Chemical carcinogens liberated from smokeless tobacco (chewing and snuff)
DIFFERENTIAL DIAGNOSIS OF WHITE LESIONS ASSOCIATED WITH SMOKELESS TOBACCO
Frictional Keratosis
Hyperplastic Candidiasis
Leukoedema
Plaque-type Lichen Planus
CLINICAL FEATURES OF WHITE LESIONS ASSOCIATED WITH SMOKELESS TOBACCO
Prevalence associated with regional use
Mostly seen in white males
Asymptomatic in mucosa where tobacco is held
Most commonly seen in the mandibular vestibular mucosa (Snuff dipper’s pouch)
Wrinkled appearance
Damage seen in adjacent teeth and periodontium
HISTOPATHOLOGY OF WHITE LESIONS ASSOCIATED WITH SMOKELESS TOBACCO
Superficial epithelium may demonstrate vacuolization or edema
Slight to moderate parakeratosis often in form of chevrons (or pires/parulis) acanthosis
Diffused zone of basophilic stromal alterations
Epithelial Dysplasia
TREATMENT OF WHITE LESIONS ASSOCIATED WITH SMOKELESS TOBACCO
Smoking cessation (ask px to stop)
Biopsy may be required in persistent lesion, ulcerated and indurated lesions
RISK OF MALIGNANCY WHITE LESIONS ASSOCIATED WITH SMOKELESS TOBACCO
Risk of malignant transformation in palate except for reverse smokers
ETIOLOGY OF NICOTINE STOMATITIS
Chronic exposure to the heat from tobacco
caused by pipe cigar and cigarette smoking
Most severe changes seen in patients who reverse smoke
Common tobacco related form of keratosis
Opacification on the palate caused by heat and carcinogens
CLINICAL FEATURES OF NICOTINE STOMATITIS
Diffuse, white thickening of the palatal mucosa with interspersed elevated white papules with a red central depression
Generalized white changes (hyperkeratosis) seen in hard palate
Red dots in the palate represent inflamed salivary duct orifices
PROGNOSIS OF NICOTINE STOMATITIS
Rarely evolves into malignancy
Except in reverse smoking
HISTOPATHOLOGY OF NICOTINE STOMATITIS
Hyperkeratosis and acanthosis of surface epithelium
Connective Tissue surrounding exhibits inflammation
Dilated salivary gland with squamous metaplasia of lining
TREATMENT OF NICOTINE STOMATITIS
Smoking cessation (ask px to stop)
Condition may regress
Re-evaluation - give them support system
Caused by superficial chemical reaction s/a burns, allergic reactions to a component of toothpaste or dentifrice → inclusion of detergents or flavoring compounds → may be related to essential oils
DENTIFRICE ASSOCIATED SLOUGH
Common phenomena associated with the use of a certain toothpaste brands
DENTIFRICE ASSOCIATED SLOUGH
A painless white lesion that is not known to progress or transform to any significant condition
DENTIFRICE ASSOCIATED SLOUGH
ETIOLOGY OF DENTIFRICE ASSOCIATED SLOUGH
Form of chemical burn or a reaction to an ingredient of a dentifrice
Possible causative component (Detergent; flavorings)
Can also be caused by mouthwash with similar causative agents
Overgrowth of the filiform papillae on the dorsal surface of the tongue
HAIRY TONGUE
PROGNOSIS OF DENTIFRICE ASSOCIATED SLOUGH
Benign white lesion
Lesion will resolve once the dentifrice/mouthwash is discontinued
Represents as increased keratin production of a decreased normal keratin production of a decreased normal keratin desquamation
HAIRY TONGUE
ETIOLOGY OF HAIRY TONGUE
Used of broad-spectrum antibiotics (like penicillin), systemic corticosteroids, hydrogen peroxide
Intense smoking
Head and neck therapeutic radiation
Not well understood, alteration in oral flora
CLINICAL FEATURES OF DENTIFRICE ASSOCIATED SLOUGH
Superficial whitish slough seen on the buccal mucosa
Commonly describe by the patient as “peeling” or “oral peeling”
HISTOPATHOLOGY OF HAIRY TONGUE
Presence of elongated filiform papillae, marked hyperkeratosis of filiform papillae with bacterial accumulation on the surface (dorsum of the tongue)
Surface contamination by clusters of microorganisms and fungi
Keratinization may extend into the mid-portions of the stratum spinosum
Mid inflammation occurring in the lamina propria
TREATMENT OF HAIRY TONGUE
Elimination of any predisposing factors
Brush, scrape tongue with baking soda
DIAGNOSIS OF HAIRY TONGUE
Biopsy is not necessary for confirmation
Clean the area
Know the cause and ask the patient
PROGNOSIS OF HAIRY TONGUE
Tongue will return to normal after physical debridement and proper oral hygiene
CLINICAL FEATURES OF HAIRY TONGUE
Represents overgrowth of filiform papillae and chromogenic microorganisms
Dense hairy like mat formed by hyperplastic papillae on the dorsal tongue surface
Asymptomatic
May be cosmetically objectionable because of color (usually black)
Extensive elongation of the papillae = gagging or a tickling sensation
Color may range from white to tan to deep brown or black
Depending on the Diet, Oral Hygiene, Oral medications, and the Composition of bacteria
White lesions commonly seen along the margins of the lateral borders of the tongue
First case was see in homosexual
HAIRY LEUKOPLAKIA
ETIOLOGY OF HAIRY LEUKOPLAKIA
Associated with local or systemic immunosuppression (esp. AIDS and organ transplantation)
Represents an opportunistic infection by Epstein-Barr Virus
Immunosuppression
Organ transplantation (medical induced immunosuppression)
Hematologic malignancy
Long Term use of systemic or topical corticosteroid
Can extend up to dorsal surface of tongue
CLINICAL FEATURES OF HAIRY LEUKOPLAKIA
Most commonly seen in lateral tongue, often bilateral
Asymptomatic
Papillary, filiform, or plaque like
May occur before or after the diagnosis of AIDS
May be secondarily infected by candida albicans
DIFFERENTIAL DIAGNOSIS OF HAIRY LEUKOPLAKIA
Idiopathic leukoplakia
Frictional hyperkeratosis
Lichen planus
Lupus Erythematosus
Hyperplastic Candidiasis
HISTOPATH OF HAIRY LEUKOPLAKIA
Acanthosis parakeratosis edema
Nuclear viral inclusions
EBV in infected nuclei
looks similar with fissured tongue
there’s mapping in the tongue
Distinct characteristic: red atrophic center
filiform papillae
Unknown etiolog
GEOGRAPHIC TONGUE
Erythema migrans or Benign migratory glossitis
Erythema migrans or Benign migratory glossitis
TREATMENT OF HAIRY LEUKOPLAKIA
None, unless cosmetically objectionable
Antiviral and antiretroviral agents likely to cause lesion to regress
Lesions usually improve and resolve with improvement in the patient’s immune system
WHITE LESIONS: OTHER MUCOSAL WHITE LESION
Geographic tongue
Lichen planus.
Lupus erythematosus
ETIOLOGY OF GEOGRAPHIC TONGUE
Numerous theories
emotional stress
fungal infections
bacterial infections
Associated with several different condition
psoriasis
seborrheic dermatitis
reiter’s syndrome
atopy
Geographic stomatitis - if its located at different sites
CLINICAL FEATURES OF GEOGRAPHIC TONGUE
Ring- shaped/ annular lesion affecting the dorsum and margin of the tongue
Atrophic patches surrounded by elevated keratotic margins
White, yellow, or slightly elevated peripheral zone
Desquamated area appears
Strong association between geographic tongue and fissured tongue
Symptoms may be more common when fissured tongue is present
affecting women slightly more often than men
children may occasionally affected
presence of small, round to irregular areas of dekaratinization and desquamation of filiform papillae
asymptomatic