CT diagnosis of adenolymphoma of the parotid gland

Objective: To investigate CT manifestations of adenolymphoma of the parotid gland.Methods: CT characteristics of 28 cases with adenolymphoma confirmed surgically and pathologically were studied retrospectively.The number,location,size,shape and density of the main parameters studies.26 cases were male,while 2 cases were female,and the average age were 58 years old.Results: 18 cases were located in the posterior and inferior quadrant of the parotid gland.We can find mutiple lesions in 10 cases.24 cases had a clear boundray;the CT value of 23 cases increased on the average of 31-40 HU after enhancement.The density of 5 cases were uniform because of crack-like or small cystic-density lesion inside.Conclusion: Adenolymphoma of the parotid gland is the characteristic of benign tumor,and is the predilection to middle age male.It manifests mutiple lesions,and rich blood supply after enhancement.