. The American journal of roentgenology, radium therapy and nuclear medicine . - palpation during roentgenoscopy. It would seem that the roentgenologist is nish only a minimum of positive informa- JDetween two fires. On one side is the clin- tion. ician who desires a maximum of diagnostic At the roentgen laboratory of the ^layo detail, and on the other is the pathologist Clinic we report the well defined ulcerous who insists that the roentgen ray can fur- gastric lesion of the niche-type as ulcer, be- Benign and Malignant Gastric Ulcers 699. Fig. 6. Drawing illustrating meniscus-like appearanc
. The American journal of roentgenology, radium therapy and nuclear medicine . - palpation during roentgenoscopy. It would seem that the roentgenologist is nish only a minimum of positive informa- JDetween two fires. On one side is the clin- tion. ician who desires a maximum of diagnostic At the roentgen laboratory of the ^layo detail, and on the other is the pathologist Clinic we report the well defined ulcerous who insists that the roentgen ray can fur- gastric lesion of the niche-type as ulcer, be- Benign and Malignant Gastric Ulcers 699. Fig. 6. Drawing illustrating meniscus-like appearanceof crater seen in profile. Ulcer on the posteriorwall near the lesser curvature. cause in its gross characteristics it is an ulcer,and the examiners associates understandvery well that he cannot determine whetherits histologic structure is benign or malig-nant. Likewise, a gastric filling defect witha palpable tumor is reported by us as can-cer, because experience has shown that 95per cent of such tumors are cancers, and theempirical element in the diagnosis is thor-oughly comprehended by all concerned. Butwhen the clinician is not thoroughly ac-quainted with the roentgenologists methodof examination and his manner of expressingthe results the latter should report his diag-nosis in guarded terms. A lack of caution inthis respect adds to the doubt of those whoview roentgen diagnosis with skepticism. As I suggested at the beginning of thispaper some ulcerating cancers have the grosscharacteristics of both ulcer and cancer,(Figs. 3 and
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