Clinical study on 307 cases with salivary gland lesions.

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We analyzed chnicostatistically 307 cases (3.9%) which were diagnosed as having a salivary gland lesion at our department during 6 year and 2 month period from the establishment of our department in October 1986 to the end of 1987. New patients totaled 7, 782 during that period.<BR>Results:<BR>Malformation numbered 4 cases and distured salivary secretion was seen in 42, of which 37 cases complained of dry mouth, and 5 others, of hypersecretion. Sialosis numbered 8 cases, while trauma was only one. Retention cyst numbered 130 cases, 42.4% of the total patients. Mucous cyst numbered 90 cases and renula 40. Sialolithiasis numbered 47 including only one case of parotid sialolithiasis. There were 32 patients with sialoadenitis, of which 27 were parotitis. There were 20 patients with lympho-epithelial lewsion, of which 18 had Sjögren's disease.<BR>Salivary gland tUlnOrti MIMbrI-CCI 23 cases, of which 17 were benign tumors and 6 were malignant tumors. By site 10 cases were in the parotid gland, 7 in the palate and others. Histopathologically, pleornorphic adenoma numbered 12 cases, monomorphic adenoma 2 and others. On the other hand, as for malignant tumors, pleomorphic adenoma was found in 2 cases and others in 4.