Oral Mucosal Lesions Quiz
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Questions and Answers

What is the primary treatment for moderate to severe cases of oral mucosal lesions?

  • Nonsteroidal immunosuppressive agents
  • Custom-made mouth guards
  • Corticosteroids (correct)
  • Topical steroids
  • Which of the following topical steroids is considered high-potency?

  • Triamcinolone
  • Hydrocortisone
  • Fluocinonide (correct)
  • Clobetasol (correct)
  • What condition is dermatitis herpetiformis primarily associated with?

  • Contact allergy
  • Linear IgA disease
  • Celiac disease (correct)
  • Discoid lupus erythematosus
  • Which type of lesions are characteristic of bullous pemphigoid?

    <p>Subepithelial bullae</p> Signup and view all the answers

    Which immunosuppressive agent is known to reduce steroid use in severe cases?

    <p>Azathioprine</p> Signup and view all the answers

    What type of agents may be used if standard therapy for mucosal lesions fails?

    <p>Biologic agents</p> Signup and view all the answers

    Which two medications mentioned may help improve the effectiveness of treatment?

    <p>Tetracycline and niacinamide</p> Signup and view all the answers

    In which condition do bullae appear on the gingiva and soft palate?

    <p>Linear IgA disease</p> Signup and view all the answers

    What is the treatment approach for discoid lupus erythematosus (DLE)?

    <p>Topical corticosteroids</p> Signup and view all the answers

    Which of the following conditions is NOT included as a differential diagnosis for lupus erythematosus?

    <p>Parasitic infections</p> Signup and view all the answers

    What is a common treatment for systemic lupus erythematosus (SLE)?

    <p>Systemic steroids like prednisone</p> Signup and view all the answers

    What histopathological feature is commonly observed in focal (frictional) hyperkeratosis?

    <p>Parakeratosis</p> Signup and view all the answers

    Which species is most commonly associated with oral candidiasis?

    <p>C. albicans</p> Signup and view all the answers

    What can result from fungal hyphae penetrating the epithelium in oral candidiasis?

    <p>Neutrophilic infiltration</p> Signup and view all the answers

    What type of lesion is nicotine stomatitis primarily linked to?

    <p>Pipe and cigar smoking</p> Signup and view all the answers

    Which of the following clinical features is typical of nicotine stomatitis?

    <p>Initially erythematous change leading to keratinization</p> Signup and view all the answers

    Which treatment is effective for most cases of candidiasis?

    <p>Topical antifungals like nystatin</p> Signup and view all the answers

    Which of the following is NOT a common predisposing condition for candidiasis?

    <p>High blood pressure</p> Signup and view all the answers

    What is the primary treatment recommended for focal (frictional) hyperkeratosis?

    <p>Cessation of the causative habit</p> Signup and view all the answers

    What histopathological change is observed in lesions associated with smokeless tobacco?

    <p>Epithelial hyperplasia and inflammation of minor salivary glands</p> Signup and view all the answers

    Which medication is generally used for refractory cases of discoid lupus erythematosus (DLE)?

    <p>Antimalarials</p> Signup and view all the answers

    What primarily causes white lesions in the oral cavity?

    <p>Scattering of light through certain tissue changes</p> Signup and view all the answers

    Which factor is NOT associated with the risk of developing dysplasia and neoplasia due to smokeless tobacco use?

    <p>Frequency of oral hygiene practices</p> Signup and view all the answers

    Which type of epidermolysis bullosa is characterized by IgG deposits?

    <p>Epidermolysis bullosa acquisita</p> Signup and view all the answers

    What is leukoedema commonly regarded as?

    <p>A variation of normal mucosa</p> Signup and view all the answers

    What is a primary diagnostic method for both nicotine stomatitis and focal (frictional) hyperkeratosis?

    <p>Patient history and examination</p> Signup and view all the answers

    What predictive characteristic can indicate a higher risk of malignant potential in smokeless tobacco lesions?

    <p>History of reverse smoking</p> Signup and view all the answers

    Which genetic condition is linked to a mutation in the NLRP1 gene?

    <p>Witkop disease</p> Signup and view all the answers

    Which of the following factors has not been proven to cause epidermolysis bullosa?

    <p>Viral infections</p> Signup and view all the answers

    What type of epidermolysis bullosa encompasses multiple genetic varieties?

    <p>Hereditary epidermolysis bullosa</p> Signup and view all the answers

    Which of the following is a characteristic feature of leukoedema?

    <p>Asymptomatic gray-white surface</p> Signup and view all the answers

    Epidermolysis bullosa is characterized by what primary clinical feature?

    <p>Formation of blisters from minor traumas</p> Signup and view all the answers

    What is a common appearance of Acute Pseudomembranous Candidiasis in patients?

    <p>White, soft plaques on the oral mucosa</p> Signup and view all the answers

    Which type of candidiasis is primarily associated with older patients who use dentures?

    <p>Chronic Erythematous Candidiasis</p> Signup and view all the answers

    What clinical manifestation suggests Chronic Erythematous Candidiasis?

    <p>Bright red, velvety mucosa</p> Signup and view all the answers

    What is a common risk factor for developing Acute Erythematous Candidiasis?

    <p>Use of alcohol-based mouth rinses</p> Signup and view all the answers

    Which treatment is recommended for managing oral candidiasis symptoms?

    <p>Sodium bicarbonate rinses</p> Signup and view all the answers

    What histopathological finding is associated with Chronic Hyperplastic Candidiasis?

    <p>Coagulative necrosis of the epithelium</p> Signup and view all the answers

    Which form of candidiasis resembles leukoplakia?

    <p>Chronic Hyperplastic Candidiasis</p> Signup and view all the answers

    What clinical feature distinguishes Acute Erythematous Candidiasis from others?

    <p>Localized bright red lesions</p> Signup and view all the answers

    Study Notes

    Oral Mucosal Lesions

    • Linear IgA disease and Mucous Membrane Pemphigoid (MMP) present with bullae and erosions on oral surfaces, including gingiva and soft palate.
    • Treatment includes corticosteroids; prednisone is used for moderate to severe cases while topical steroids are recommended for mild cases.
    • Custom-made mouth guards may aid in topical medication retention, especially for gingival involvement.
    • High-potency topical steroids: clobetasol, betamethasone dipropionate, fluocinonide, desoximetasone.
    • Additional systemic treatments include tetracycline, niacinamide, sulfapyridine, and dapsone for resistant cases.

    Dermatitis Herpetiformis

    • Characterized as a vesiculobullous disease with intense pruritus.
    • Often associated with celiac disease; shows autoantibodies against tissue transglutaminase.
    • Granular IgA deposits are found in the papillary dermis and antibodies to type VII collagen.

    Epidermolysis Bullosa

    • Refers to a group of conditions leading to blister formation from minor trauma, encompassing both acquired and hereditary forms.
    • Acquired form can be triggered by specific medications, with IgG deposits in sub-basement membrane zone.
    • Includes types like dystrophic, junctional, and simplex varities.

    Leukoedema

    • Mild opacification of buccal mucosa regarded as a normal variant; asymptomatic.
    • Clinical features show a gray-white, diffuse, milky surface.

    Focal (Frictional) Hyperkeratosis

    • Caused by chronic friction against oral mucosa, creating white lesions.
    • Histopathology reveals parakeratosis and inflammatory infiltration.
    • Treatment typically involves cessation of irritative habits, such as tobacco use.

    Nicotine Stomatitis

    • A tobacco-related keratosis appearing as white lesions, often located on lips and buccal mucosa.
    • Related to pipe and cigar smoking; lesions are a result of chronic irritation.
    • Diagnosis relies on clinical history and examination, with cessation of tobacco leading to improvement.

    Systemic Lupus Erythematosus (SLE)

    • Two common forms include systemic and discoid lupus erythematosus (DLE), both with potential oral manifestations.
    • DLE is treated with topical corticosteroids; refractory cases may require antimalarials.
    • SLE treatment often involves systemic steroids, immunosuppressants, and NSAIDs.

    Candidiasis

    • An opportunistic oral fungal infection commonly caused by Candida albicans.
    • Three forms: Pseudomembranous (Thrush), Erythematous, and Chronic Hyperplastic Candidiasis.
    • Diagnosis involves differentiating from chemical burns, white keratinized lesions, and syphilis.

    Mucosal Burns

    • Common superficial burns result from topical application of chemicals like aspirin or thermal injuries.
    • Clinical features range from localized erythema to slough/membranous necrosis.
    • Histopathology shows coagulative necrosis of the epithelium and intense inflammation.

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    Description

    Test your knowledge on various oral mucosal lesions including Linear IgA disease, Discoid lupus erythematosus, and contact allergies. This quiz covers symptoms, treatment options, and histopathological features associated with these conditions.

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