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BRL Abstracts Database |
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Your search for ultrasound produced 3296 results. Page 312 out of 330
| Title |
Ultrasound in neurologic diagnosis. |
| Author |
Oldendorf WH. |
| Journal |
IEEE Trans Biomed Eng |
| Volume |
|
| Year |
1964 |
| Abstract |
Ultrasound echoing using a pulse transmitted transversely across the head can determine quickly and safely the symmetry of position of the brain within the cranial cavity. A brief pulse at about 2 Mc is transmitted into the head, and the reflections from the walls of the third ventricle and the septum pellucidum are picked up by the transducer which serves alternately as transmitter and receiver. Although most of the incident energy is reflected by skull, a sufficient portion of the pulse enters the head to be detected after reflection by smooth internal discontinuities properly oriented to reflect the pulse back to the transducer. Positioning of the transducer is highly critical and requires some practice. The lateral displacement of the third ventricle and spetum pellucidum generally is a sensitive indicator of an increase of volume of the contents of one half of the cranial cavity relative to the other. These structures lie within the opening in the falx cerebri through which brain tissue must herniate when displaced from one compartment to the other. The technique is totally atraumatic and in most cases easily performed. |
| Title |
Ultrasound in neurology. |
| Author |
Fry WJ. |
| Journal |
Neurology |
| Volume |
|
| Year |
1956 |
| Abstract |
No abstract available. |
| Title |
Ultrasound in obstetrics. |
| Author |
Campbell S. |
| Journal |
Br J Hosp Med |
| Volume |
|
| Year |
1972 |
| Abstract |
No abstract available. |
| Title |
Ultrasound in ophthalmological diagnosis. |
| Author |
Purnell EW. |
| Journal |
Diagn Ultrasound |
| Volume |
|
| Year |
1966 |
| Abstract |
No abstract available. |
| Title |
Ultrasound in the diagnosis of abdominal and pelvic conditions. |
| Author |
Barnett E, Morley P. |
| Journal |
Br J Hosp Med |
| Volume |
|
| Year |
1972 |
| Abstract |
No abstract available. |
| Title |
Ultrasound in the diagnosis of maxillary and frontal sinusitis. |
| Author |
Revonta M. |
| Journal |
Acta Otolaryngol |
| Volume |
|
| Year |
1980 |
| Abstract |
No abstract available. |
| Title |
Ultrasound in the diagnosis of twins and hydramnios. |
| Author |
Sunden B. |
| Journal |
J Obstet Gynaecol Br Commonw |
| Volume |
|
| Year |
1965 |
| Abstract |
No abstract available. |
| Title |
Ultrasound in the evaluation of solid breast masses. |
| Author |
Harper AP, Kelly-Fry E, Noe JS, Bies JR, Jackson VP. |
| Journal |
Radiology |
| Volume |
|
| Year |
1983 |
| Abstract |
Ultrasound image characteristics and radiographic features of 31 benign and 41 malignant breast masses were cross-tabulated and analyzed to determine the ultrasound image characteristics most useful for diagnosis and the frequency with which some imaging features occurred. The most common malignant mass (the ductal carcinoma) exhibited a jagged wall (88%), homogeneous internal echoes (12%), nonhomogeneous internal echoes (70%), internal echoes not discernible due to attenuation effects (18%), and attenuation shadowing (97%). In contrast, the fibroadenoma (the most common benign mass in this study), exhibited smooth walls (94%), homogeneous internal echoes (89%), and no demonstrable posterior shadowing (67%). |
| Title |
Ultrasound in the evaluation of solid breast masses. |
| Author |
Harper AP, Kelly-Fry E. |
| Journal |
Radiology |
| Volume |
|
| Year |
1983 |
| Abstract |
Ultrasound image characteristics and radiographic features of 31 benign and 41 malignant breast masses were cross-tabulated and analyzed to determine the ultrasound image characteristics most useful for diagnosis and the frequency with which some imaging features occurred. The most common malignant mass (the ductal carcinoma) exhibited a jagged wall (88%), homogeneous internal echoes (12%), nonhomogeneous internal echoes (70%), internal echoes not discernible due to attenuation effects (18%), and attenuation shadowing (97%). In contrast, the fibroadenoma (the most common benign mass in this study), exhibited smooth walls (94%), homogeneous internal echoes (89%), and no demonstrable posterior shadowing (67%). |
| Title |
Ultrasound in the investigation of space-occupying lesions of the urinary tract. |
| Author |
Barnett E, Morley P. |
| Journal |
Br J Radiol |
| Volume |
|
| Year |
1971 |
| Abstract |
In recent years increasing interest has developed in the use of diagnostic ultrasound in the investigation of lesions of the urinary tract. (Damascelli, Lattuada, Musumeci and Severini, 1968; Holmes, Wright, Meyer, Posatony and Howry, 1965; Holmes, 1966; 1967; Ostrum, Goldberg and Isard, 1967; Howry, 1965; Goldberg, Ostrum and Isard, 1968; West, 1967; Leopold, 1970; Schreck and Holmes, 1970). The present paper records our experience with diagnostic ultrasound in the investigation of the urinary tract with particular reference to space-occupying lesions. |
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