SGK1 and xerostomia: In light of the above, we sought to determine the status of SGK-1 and ENaC in archived lower lip biopsy samples from patients with a diagnosis of mucocele (control cases) and patients who had presented with a chief complaint of xerostomia; histopathological and immunohistochemical assessments of minor salivary gland biopsy specimens are believed to be valuable in classification and diagnosis of salivary gland pathologies and systemic manifestations (8).