Salivary Gland Imaging and Sjögren Syndrome Diagnosis Quiz
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Questions and Answers

What is the radiographic evidence often seen in Sjögren syndrome?

  • Smooth, regular ductal system
  • Punctate sialectasia (correct)
  • Fibrous scarring of ducts
  • Granulomatous ductal branching
  • What is the typical pattern seen in sialograms of Sjögren syndrome?

  • Linear branching pattern
  • Circular arrangement of acinar units
  • Fruit-laden, branchless tree (correct)
  • Vein-like network
  • Which procedure is sometimes used as a diagnostic test for Sjögren syndrome?

  • Biopsy of minor salivary glands in the lower lip (correct)
  • MRI of the submandibular glands
  • CT scan of the parotid gland
  • Blood test for amylase levels
  • What is the basic microscopic finding in Sjögren syndrome?

    <p>Lymphocytic infiltration of salivary glands</p> Signup and view all the answers

    What characteristic groups of cells are seen throughout the lymphoid proliferation in Sjögren syndrome?

    <p>Epimyoepithelial islands</p> Signup and view all the answers

    What is the underlying cause of lichen planus?

    <p>Abnormal T-cell mediated immune response</p> Signup and view all the answers

    Which clinical feature is characteristic of oral lichen planus?

    <p>Interlacing fine white keratotic lines (Wickham striae)</p> Signup and view all the answers

    What is the most common type of oral lichen planus?

    <p>Reticular lichen planus</p> Signup and view all the answers

    Which histopathological feature is characteristic of lichen planus?

    <p>Dense band-like lymphocytic infiltrate at the interface</p> Signup and view all the answers

    What is the typical distribution pattern of oral lichen planus lesions?

    <p>Bilateral and symmetrical distribution on buccal mucosa</p> Signup and view all the answers

    How does lichen planus differ from Sjögren syndrome?

    <p>Lichen planus has an autoimmune etiology</p> Signup and view all the answers

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