[Sialographic, sialoendoscopic and irrigation fluid study in chronic obstructive parotitis].

Objective: To study the sialographic changes and to compare the changes with sialoendoscopic and irrigation fluid findings in chronic obstructive parotitis (COP).

Methods: This study involved 27 patients with a long history of parotid swelling. All patients were examined by X-ray, sialography, and were diagnosed as COP without sialolithiasis.