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This study deals with the ultrasonic analysis of tumors of the liver and involves 85 cases of anatomically confirmed neoplasms. We shall describe four specific patterns of cancer: the large, highly echogenic nodule, anechoic nodules surrounded by a band of echoes, which correspond to necrotic,...
Conventional signal processing and display of information obtained by ultrasonic scanning results in the loss of low level information which may be diagnostically valuable by demonstrating the internal structure of organs. The use of grey scale echography preserves this information, allowing...
Between February 1970 and December 1971, 200 premature infants with birth weights of up to 2500 g were examined echoencephalographically within 48 hours of birth. The third ventricle and the brain‐mantle‐index (BMI) were determined. It was statistically proved that with increasing weight,...
Diagnostic ultrasound provides the radiation therapist a very practical method of acquiring anatomical information for developing optimized radiation therapy plans. With ultrasound it is possible to record simultaneously the contour of the patient and the location and depth of tumors and normal...
The echocardiographic patterns of increased right ventricular dimension and abnormal septal motion were observed in a patient with a large pelvic arterio‐venous (A‐V) shunt and no associated cardiac lesion. Although there was evidence of incomplete closure of the shunt four months after surgery,...
Diagnostic ultrasound affords important information about cardiac structure and motion. However, because of the unique manner in which data are acquired and displayed during echocardiography, diagnostic errors and misinterpretations are not uncommon. This paper discusses the characteristic...
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