Salivary Gland Imaging and Sjögren Syndrome Diagnosis Quiz

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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?

Lymphocytic infiltration of salivary glands Signup and view all the answers

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

Epimyoepithelial islands Signup and view all the answers

What is the underlying cause of lichen planus?

Abnormal T-cell mediated immune response Signup and view all the answers

Which clinical feature is characteristic of oral lichen planus?

Interlacing fine white keratotic lines (Wickham striae) Signup and view all the answers

What is the most common type of oral lichen planus?

Reticular lichen planus Signup and view all the answers

Which histopathological feature is characteristic of lichen planus?

Dense band-like lymphocytic infiltrate at the interface Signup and view all the answers

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

Bilateral and symmetrical distribution on buccal mucosa Signup and view all the answers

How does lichen planus differ from Sjögren syndrome?

Lichen planus has an autoimmune etiology Signup and view all the answers

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?

What is the typical pattern seen in sialograms of Sjögren syndrome?

Which procedure is sometimes used as a diagnostic test for Sjögren syndrome?

What is the basic microscopic finding in Sjögren syndrome?

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

What is the underlying cause of lichen planus?

Which clinical feature is characteristic of oral lichen planus?

What is the most common type of oral lichen planus?

Which histopathological feature is characteristic of lichen planus?

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

How does lichen planus differ from Sjögren syndrome?

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