Salivary Obstruction
Clinical features
– Typically there is pain and swelling of a salivary gland at meal times.
– May be asymptomatic.
– Obstruction of minor salivary gland duct may produce a mucocele.
Incidence
– Fairly common in submandibular duct or gland.
Aetiology
– Calculus usually; rarely mucus plug, fibrous stricture or neoplasm.
Diagnosis
– Radiography (but 40% of stones are radiolucent); sialography if necessary.
– Differentiate from other causes of salivary swelling.
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