Primary Sarcoma of Omentum Report

endocrine therapy, a hysterectomy was deemed advisable. The abdomen was soft and relaxed; it was not tender and contained no palpable masses. At operation the uterus and appendix were removed and three globular tumors were discovered in the greater omentum and were excised. Exploration of the remainder of the peritoneal cavity revealed nothing unusual. Pathologic Emmination: The uterus and appendix showed no noteworthy changes. The three tumors (Fig. I ) , which measured 6, 5, and 3 cm. in diameter respectively, were bluish and of similar appearance. Each was encapsulated, but on the surface of one was a small secondary new growth, also encapsulated. The capsules were very thin. The cut surface was red, pulpy, and granular, and yielded much blood. The surface resembled a sponge, with trabeculae of grayish, granular tissue. Microscopically the tumors were very cellular. In general the cells were of spindle shape and in the solid portions there was a meshwork of reticulum (Fig. 2) . Occasionally the spaces were filled with a thin homogeneous substance resembling mucus. In some areas there were compact strands of spindle cells. The nuclei were vesicular, but few mitotic figures were observed. Pools of blood occurred throughout the section, suggesting a cav-