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Arch Surg. 1924;8(3):890-907. doi:10.1001/archsurg.1924.01120060187012.
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As a basis of this discussion, I have reviewed all the cases classified as fibrohemangioma, fibroma of tendon sheaths, granulation tissue tumors, tumors of bursaé and tumors of joints, which have come into the surgical pathologic laboratory of the Johns Hopkins Hospital, a total of 196 cases. These tumors present certain similarities which I shall point out. In all groups, there are examples of xanthoma, and in some cases diagnosis of cancer was made.

In the literature, there has been considerable difference in classification. This type of tumor has been referred to by many names,1 such as myeloma, xanthoma, sarcoma, endothelioma, granuloma or giant-cell tumor, or by a combination of these names. I shall attempt to point out the features of this group of benign tumors with as little reference to confusing names as possible. It should be remembered from the start that even at the present time these


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