. Journal of radiology . XS Fig. 22.—Case VI. High-power microphotograph showinglarge round and spindle cells which should be looked uponas sarcoma, in typical myxomatous tissue. months later. From this a sec-tion was made which was diag-nosed sarcoma. Seven weekslater (Nov., 1919), the entirefoot became swollen, and onx-ray examination metastases totarsus and condyle of femurwere found. On account ofthese, amputation was performed through the middle third of thethigh, and the patient was thensent to our hospital for a pros-thesis. At this time, December,1919, a lump appeared in the leftgroin,
. Journal of radiology . XS Fig. 22.—Case VI. High-power microphotograph showinglarge round and spindle cells which should be looked uponas sarcoma, in typical myxomatous tissue. months later. From this a sec-tion was made which was diag-nosed sarcoma. Seven weekslater (Nov., 1919), the entirefoot became swollen, and onx-ray examination metastases totarsus and condyle of femurwere found. On account ofthese, amputation was performed through the middle third of thethigh, and the patient was thensent to our hospital for a pros-thesis. At this time, December,1919, a lump appeared in the leftgroin, swollen, red and painful,which disappeared entirely underradium therapy and has not re-turned, The x-ray examination Page Seventeen PRIMARY TUMORS OF BONE—SOSMAN AND CANTER of the stump, pelvis, spine andchest were negative for metas-tases and again negative after athree months period. In May,1920, lie was returned to his. Fig. 23.—Case VII. X-ray showingoriginal lesion in toe. original hospital wearing a per-manent artificial limb. In July,1920, he twisted his stump ina minor accident, and a few dayslater found that he was unableto wear his leg comfortably, dueto a lump on the arterior aspectof the stump, which was tenderand quite painful on motion. Onsecond admission a large, firm,smooth swelling was found onthe antero-lateral aspect of themiddle third of his thigh stumpfirmly fixed to the bone, but notto the skin, and apparently in-volving the soft parts. Tenderon pressure and painful on mo- Page Eighteen tion. No evidence of glandular involvement. Examination X-rays showed (Fig. 24), alarge cystic defect in the femurjust below the lesser trochanter,with almosl explosive destructionof the cortex, the latter appar-ently in part due to a pathologi-cal fracture through the involvedarea. Examination of the chestshowed several small nodules inthe base of the right lung, notseen when the plates of the pr
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