Abstract
Clinical, siolographic, and sequential quantitative scintigraphic characteristics of 92 cases of chronic obstructive parotitis (in 117 diseased parotid glands) are reported, and the treatment investigated. The cardinal feature of this disease is obstruction or retarded salivary flow resulting in recurrent swellings and retrograde infection. The main characteristic seen in sialograms is irregular dilation of the main and branching ducts. On the basis of sialographic findings, the ducts are classified into four types. This classification reflects the severity of the disease and can also be used as a guide to treatment.
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