AMA Arch Surg. 1951;63(2):185-190. doi:10.1001/archsurg.1951.01250040189007.
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PAPILLARY cystadenoma lymphomatosum is a relatively rare type of salivary gland tumor. It may be grouped roughly among the benign mixed tumors of the salivary glands but is so distinctive in its microscopic appearance that a special niche has been made for it. Because of the rarity of these tumors, one is inclined to dismiss them as pathological curiosities. However, when the surgeon is confronted with a patient with such a diagnosis, knowledge of the pathology, treatment, and prognosis are of paramount importance. We have had the opportunity to see two of these tumors within a period of four months, and these serve as the basis for this report.


Case 1  .—A 56 year old white man entered the hospital for evaluation of low back pain. An incidental finding was a firm, nontender tumor below the posterior part of the right mandible. The mass had been present


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