Abstract
Kuttner tumor chronic sclerosing sialadenitis is graded in 4 stages, but most of the lesions are usually diagnosed in the 2 intermediary stages. We present a case affecting a female patient, 57 years old and white, who sought the oral medicine service because of a small tendered nodule on the buccal mucosa. Intraoral examination revealed a sessile, painless, and normal-colored fluctuating nodule, resembling a mucocele. After excisional biopsy, the material was submitted to a microscopic evaluation that revealed dilated salivary ducts with ectasia and peripheral fibrosis with intense hyalinization in addition to a discrete periductal lymphocytic infiltrate in the middle of a stroma of adipose tissue of usual appearance. That suggested diagnosis of advanced stage chronic sclerosing sialadenitis (Kuttner tumor). Further clinical and laboratory examinations ruled out the other immunomediated diseases. Postoperative follow-up showed no signs of recurrence, and the patient was released.
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