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January 1940


Author Affiliations

Fellow in Surgery, the Mayo Foundation; ROCHESTER, MINN.
Division of Surgery, the Mayo Clinic (Dr. Walters).

Arch Surg. 1940;40(1):120-134. doi:10.1001/archsurg.1940.04080010123013

The proper classification of tumors arising in lymphoid tissue presents great difficulties. The reports on this subject by Foot,1 Connor,2 Oberling3 and others all show a divergence of opinion and nomenclature. To avoid confusion, then, we shall use in this discussion the classification of sarcomas of the gastrointestinal tract employed by Ewing,4 namely: (1) spindle cell myosarcoma, (2) miscellaneous round cell or mixed cell alveolar sarcoma and (3) lymphosarcoma.

The spindle cell myosarcoma is likely to be bulky, cystic or solid; it may project into the peritoneal cavity or into the lumen of the stomach; it is noninfiltrating and is late in metastasizing.

Tumors of the miscellaneous round cell type constitute a group about which little is known and for this reason probably do not deserve being classified as a separate variety.

Lymphosarcomas constitute the largest and most important group, of which there are two varieties,