Inclusion Criteria:  Adult patient Patient treated in CHR Metz-Thionville between 2013 and 2020 With a pathological impairment (suspected or confirmed) of a salivary gland With sialendoscopy indication for diagnosis and/or treatment  Exclusion Criteria:  Opposed to use data Without sialendoscopy indication Without lithiasis salivary gland disorder With parotid gland lithiasis