The purpose of this study is to correlate the many varieties of cutaneous tumors which occur in association with leukemia and lymphoma.
The material consists of 167 cases taken from a random survey of the literature and 22 cases observed at the Huntington Memorial, the New England Deaconess and the Pondville Hospital. In all these cases the diagnosis was clearly established according to clinical and pathologic criteria, the latter based on histologic study of the tumors in the skin and in the majority of cases on study of the lymph nodes as well. The classification given by the authors cited has been kept throughout. The general statements, unless otherwise noted, are drawn from these 189 cases, which are analyzed in the table.
Since there is no universally accepted classification of tumors of the lymph nodes and of the circulating cells, I have used a purely arbitrary terminology, which, it is