bluuebunny/crossref_metadata_2025_split huggingface dataset:
Ultrasonic characteristics of pelvic inflammatory masses
Authors: Uhrich Philip C. , Sanders Roger C. 
Published: February 2007

AbstractTwenty patients with pelvic abscesses diagnosed either at surgery or from typical clinical findings underwent sonography. Seventeen of the twenty patients had inflammatory processes of gynecological origin. In the main, two patterns were observed. The more common pattern was a small, round adnexal or cul de sac mass with a slightly irregular border. The other pattern consisted of large, rough‐bordered, multilocular masses that obscured the uterus. In single cases confusion had occurred between pelvic abscesses, fibroids, and chronic ruptured tuba1 pregnancy. The role of ultrasound in the management of patients with tuboovarian abscesses is discussed.
Parachute mitral valve: Echocardiographic findings resembling idiopathic hypertrophic subaortic stenosis
Authors: Boughner Derek R. , Persaud Joan A. 
Published: February 2007

AbstractThe echocardiographic features recorded in a patient with a congenital anomaly, single papillary muscle (parachute mitral valve), were identical with those seen in patients with idiopathic hypertrophic subaortic stenosis (IHSS). Asymmetric septal hypertrophy, mitrai valve systolic anterior movement, aortic valve vibration, and midsystolic reclosure were all demonstrated. This congenital anomaly should, therefore, be considered in any young paitent before making the diagnosis of IHSS from the echocardiogram.
Ultrasonic scanning of the pancreas
Authors: Hancke S. 
Published: February 2007

AbstractThe use of ultrasonic scanning in diagnosis of pancreatic disease is reviewed. A procedure for the examination of the pancreas with a compound scanning technique and the ultrasonic appearance of the normal and diseased pancreas is described. Diffuse or localized enlargement can be demonstrated and the latter be differentiated as to whether it is solid or cystic lesion. Percutaneous fine needle aspiration biopsy of solid lesions and percutaneous puncture of cysts can be performed with great accuracy under the guidance of ultrasound. Differential diagnosis and limitations in pancreatic scanning are discussed.
In vitro gray scale echography of protein‐lipid fluid collections in liver tissue
Authors: Cunningham Jerome J. 
Published: February 2007

AbstractThree types of protein‐lipid fluid collections–homogenized milk, buttermilk, and yogurt –were studied in liver tissue by in vitro gray scale echography. These fluid collections are capable of producing internal echoes, dampened sound transmission, partial acoustic “shadows,” and ill‐defined interfaces with hepatic parenchyma. Such effects may preclude universal detection of purulent hepatic abscesses when they contain similar types of substances.
Pulsed doppler ultrasound detection of flow disturbances in arteriosclerosis
Authors: Felix W. Robert , Sigel Bernard , Gibson Robert J. , Williams Jimmie , Popky George L. , Edelstein Annette L. , Justin Jeffrey R. 
Published: February 2007

AbstractPulsed Doppler ultrasound blood flow detection has been used in a noninvasive manner to detect arterial abnormalities associated with arteriosclerosis. Sound spectrograms of ultrasound signals obtained from in uitro and animal studies in which flow was disturbed by obstacles placed in the flow stream showed a different distribution of energy over frequency than signals obtained from studies with no flow disturbances. Similar findings were seen clinically. A technique has been developed which can detect disturbed flow patterns resulting from partial occlusion in important superficial arteries (e.g. femoral and carotid) up to 15 cm distal to localized arterial wall abnormalities. Thirty‐five arterial examinations of normal and arteriographically abnormal arteries in 12 patients revealed a sensitivity of 83 percent and a specificity of 61 percent. This study suggests that pulsed Doppler ultrasound may be useful as a screening technique for detection of arteriosclerotic lesions in major superficial arteries.
Anterior position of the lower pole of the right kidney: Potential confusion with right upper quadrant mass
Authors: Bree Robert L. 
Published: February 2007

AbstractA group of patients with anterior position of the lower pole of the right kidney were examined with ultrasound to evaluate a palpable right upper quadrant mass. After it was determined, with the use of ultrasound, that the palpable mass represented the kidney, no further evaluations were necessary. This appearance is seen fairly often in normal individuals and should be considered a normal variant. The possible anatomic explanation for this appearance is discussed.
An ultrasonogram display system using a natural color scale
Authors: Chan Francis H. , Pizer Stephen M. 
Published: February 2007

AbstractThe gray scale display used in B scan ultrasonography limits the perceptibility of clinically useful information. Presentation in color can increase perceptibility, but current color displays have no natural scale and may have the fault of a discrete color spectrum. The continuous heated‐object color spectrum solves these problems. To produce a display using this spectrum, we have built an inexpensive system to adapt the scan converter output of a gray scale ultrasonograph to a commercial color television.
The value of ultrasound in hypovascular hypernephromas
Authors: Arger Peter H. 
Published: February 2007

AbstractUltrasound demonstrated the solid character of three hypovascular renal masses which were equivocal on nephrotomography and arteriography with intra‐arterial vasoconstrictors. These cases illustrate the value of ultrasound, a noninvasive procedure, in the pre‐operative evaluation of hypovascular hypernephromas.
The sonolucent “light bulb” sign of fluid collections
Authors: Conrad Melvyn R. , Sanders Roger C. , James A. Everette 
Published: February 2007

AbstractThe recent introduction of gray scale ultrasound, which uses a higher power output, has made it more difficult to assess the cystic or solid nature of sonolucent mass lesions using the criteria developed for bistable imaging, i.e. the amount of through transmission and the strength of the posterior wall echo. However, a cyst may be reliably diagnosed if a totally echofree area is seen adjacent to an area with low‐level echoes derived from tissue parenchyma. We have termed this the “light bulb sign.” Visualization of the sign facilitates the decision of the optimal time for abscess drainage.
Retroperitoneal fibrosis: Ultrasound findings and case report
Authors: Bowie James D. , Bernstein Joel R. 
Published: February 2007

AbstractA case of idiopathic rrtroperitoneal fibrosis is reported with a description of the gray scale ultrasound findings. The mass was indistinguishable in appearance from many other retroperitoneal processes, such as lymphoma, fibrosarcoma, and liposarcoma. In this case the mass had a well‐defined anterior border, and the posterior border with the vena cava and aorta was difficult to demonstrate. The sound transmission properties of the mass were similar to those of normal soft tissue structures. The mass, which showed no echoes at moderate gain levels, produced weak echoes at high gain levels. By marking the projection of the tumor as seen by ultrasound on the skin and then obtaining an x ray with a lead wire on these marks, a comparison of ultrasound with other studies is possible. This also helps in demonstrating the location and extent of the mass. Ultrasound is suggested as a useful noninvasive technique for following the progress of retroperitoneal fibrosis.
Echocardiographic appearance of aortic valve vegetations in bacterial endocarditis due to actinobacillus actinomycetemcomitans
Authors: Moorthy Krishna , Prakash Ravi , Aronow Wilbert S. 
Published: February 2007

AbstractThis report describes the echocardiographic features seen in a case of bacterial endocarditis due to Actinobacillus actinomycetemcomitans. The echocardiogram demonstrated large, bulky clusters of echoes filling the aortic root in diastole which extended to the subvalvular and supravalvular areas. The echocardiographic features mimicked those described in cases of Candida endocarditis. The morphologic appearance of vegetations at surgery correlated with the echocardiographic findings.
Reverberations in echocardiograms
Authors: Yeh En‐Lin 
Published: February 2007

AbstractDifferent types of reverberations which may cause confusing artifacts in echocardiograms are described. Reverberations between the targets may result in identifiable complex echo patterns. An echocardiogram with reverberating echoes is presented. Several experimental studies were done to explain the reverberating echoies. The reverberating echoes may be more prominently displayed than the primary echoes. This raises the possibility of obtaining useful information from the reverberating echoes.
A simple ultrasonic method for evaluating liver size
Authors: Holmes Joseph H. , Sundgren Carole , Ikle David , Finch Jack 
Published: February 2007

AbstractBy measuring the liver area (maximum seciton) and plotting this against intra‐abdoinal area at the same level, one can calculate tolerance levels for 80 per cent of the population (63 normal patients) with a 95 per cent confidence. This provides a simple semiquantitative index in relating liver size of a specific patient to the normal range. Its use in 14 patients with liver disease was demonstrated.
Comparison of ultrasound pancreatic scanning and encoscopic retrograde cholangiopancreatograms: A retrospective study
Authors: Feinberg Samuel B. , Schreiber Donald R. , Goodale Robert 
Published: February 2007

AbstractIn a retrospective study comparing ultrasonography and endoscopic retrograde cholangiopancreatograms (ERCP) of the pancreas we found ultrasound 93.8 per cent accurate and ERCP 62.5 per cent accurate in detecting pancreatic pathology. Thus, sonography provides a safe screening procedure and ERCP provides a complementary approach.
Retropenal abcess secondary to a ruptured retrocecal appendix diagnosed by ulttrasound B scan and 67 Ga radionulide scan
Authors: Gonzalez A. C. , Hanes J. D. 
Published: February 2007

AbstractStandard roentgenographic criteria for anterior‐posterior (AP) displacement of the kidney may not reveal small, uniformly distributed, perirenal masses. Ultrasound, on the other hand, is an axial display and thus is quite sensitive to such changes. A case of ruptured retrocecal appendix is presented in which the intravenous pyelogram was negative. In the sonogram, however, a slight separation was seen between the renal parenchyma and the posterior abdominal muscle wall. This led to furthe rinvestigation and the diagnosis of an unsuspected retrorenal abscess.
Percutaneous puncture guided by ultrasonic multitransducer scanning
Authors: Pedersen Jan Fog 
Published: February 2007

AbstractA technique for percutaneous puncture guided by real‐time scanning is described. By means of a special puncture adaptor fastened to one end of a multitrandscuer, a needle can be guided in the plane of scanning in an adjustable angle to the transducer front. By this technique, the puncture target as well as the needle can be monitored on the real‐time image during the entire puncture procedure. The technique has been used for aminocentesis, fine needle biopsy of a renal mass, renal cyst puncture, and pericardiocentesis.
Ultrasonic evaluation of the superior mesenteric artery
Authors: Goldber Barry B. , Perlmutter Gordon 
Published: February 2007

AbstractWith the use of gray scale B scan ultrasound, it is now feasible in many cases to detect portions of the superior mesenteric artery (SMA) arising from the aorta. Thus, it is possible to measure the aortomesenteric angle an distance. We evaluated a series of patients by ultrasoun to determine the normal values for the SMA angle, distance, and lumen diameter. Patients were also examined who had pathological conditions that might produce an alteration in the angle and distance. Abnormal widening was observed in patients with aortic aneurysms and para‐aortic lymphosaracomatous nodes. In patients suspected of having duodenal ileus, there was evidence of narrowing of the superior mesenteric artery angle and distance. However, a comparable group of asymptomatic patients of the same age showed a similrly narrowed angle and distance. It was thus conlcuded that the narrowing of the aortomesenteric angle and distance is not a cause of duodenal ileus. Knowledge of the SMA and aortic lumen diameter has been helpful in selecting the proper catheter and approach for selective arteriography.
Ultrasonic demonstration of right ventriculr myxoma
Authors: Roelandt Jos. , Bletter Wim. B. , Leuftink Els. W. , van Dorp Wim. G. , Cate Folkert Ten , Nauta Jan 
Published: February 2007

AbstractA case of right ventricular myxoma masquerading as infundibular pulmonic stenosis with right‐sided heart failure is presented. The unsuspected tumor was diagnosed with two‐dimensional multicrystal real time scanning and single element echocardiography. Direct visualization of the tumor anatomy and its spatial relationships on cross‐sectional images facilitates the diagnosis. On the other hand, the more accurate motion analysis from the time‐motion display of the echo data yields additional functinal information. Thus the two techniques are complementary to establish a diagnosis in those disorders where anatomy and funciton overlap. Ultrasonic examination yields a practical solution to the problem of screening patients to detect intracardiac tumors. This painless, noninavasive examination should be included in the analysis of every patient with cardiac symptoms.
Echocardiographic spectrum of posterior systolic motion of the mitral valve in the general population
Authors: Bloch Antoine , Vignola Paul A. , Walker Harriet , Kaplan Alan D. , Chiotellis Philip N. , Lees Robert S. , Myers Gordon S. 
Published: February 2007

AbstractThe prevalence of mitral valve prolapse has been established in selected groups of patients but not in the general population. The present study was designed to define the echocardiographic spectrum of mitral valve motion in a population of young individuals without clinical evidence of significant cardiac disease or hypertension. Echocardiograms were performed on 136 normal volunteers. Six subjects (4.4 per cent) had mitral valve prolapse. Eighteen subjects (13.2 per cent) had a lesser degree of posterior systolic motion of the mitral valve leaflets which was suggestive but not diagnostic of prolapse. Minor degrees of posterior systolic mitral valve otion may represent a variant of normal. Caution should be exercised in making the echocardiographic diagnosis of mitral prolapse until this question is settled.
Improvement in the ultrasonic evaluation of the gall bladder by using the left lateral decubitus position
Authors: Foster Stanley C. , McLaughlin Stephen M. 
Published: February 2007

AbstractThe authors discuss the value of routinely using the left lateral decubitus position for ultrasound evaluation of th gall bladder. This technique often affords improved visualizaiton, clarifies abnormalities suspected in the supine position, and in some cases demonstrates a gall bladder that cannot be seen in the supine position.
Chronic ectopic pregnancy: Ultrasonic diagnosis
Authors: Rogers William F. , Shaub Michael , Wilson Robert 
Published: February 2007

AbstractThe classical ultrasonic description of a chronic ectopic pregnancy is a slightly enlarged uterus with uniform internal echoes and no evidence of an intrauterine pregnancy, combined with an extrauterine semicystic mass, gestational sac, or fetal structures. It is our experience that the ultrasonographer more commonly finds a midline pelvic mass containing irregular echo patterns and cystic areas. The mass may also be associated with abdominal or pelvic fluid and obliteration of normal anatomical structures. We wish to emphasize these variations from the classical description with illustrations that demonstrate the differences in the ultrasonic presentation of chronic ectopic pregnancy.
The prenatal diagnosis of lower urinary tract obstruction using B scan ultrasound: A case report
Authors: Okulski Thomas A. 
Published: February 2007

AbstractThis is a case report of the ultrasonic detection of an enlarged urinary bladder in a 20 1/2 week fetus which subsequently was proven to have the prune belly or Eagle‐Barrett syndrome. Serial sonograms were used to follow the progress of thsi abnormal pregnancy and were instrumental in the subsequent clinical management of the patient.
Antenatal diagnosis of hydranencephaly by ultrasound: Correlation with ventriculography and computed tomography
Authors: Lee Timothy G. , Warren Bill H. 
Published: February 2007

AbstractA case of hydranencephaly was demonstrated antenatally by ultrasound and correlated with ventriculography and computed cranial tomography. Prenatal diagnosis of intracranial abnormalities by careful attention to intracranial anatomy is possible and can facilitate obstetrical management.
Echocardiographic diagnosis of left atrial thrombus — a case report
Authors: Graboys Thomas B. , Sloss Laurence J. , Ockene Ira A. 
Published: February 2007

AbstractWe report a case of mitral stenosis with echocardiographic findings we consider diagnostic of left atrial thrombus. Scanning of the ultrasound beam from the left ventricular basalward to the left atrium (LA) demonstrates a consistent group of strong echoes within the LA and extending into the mitral orifice. Massive left atrial thrombosis was confirmed at operation.
Sudden infant death syndrome (SIDS). Echocardiographic studies in relatives of infants with SIDS
Authors: Maron Barry J. , Clark Chester E. , Goldstein Robert E. , Epstein Stephen E. 
Published: February 2007

AbstractEchocardiographic studies were performed in 42 sets of parents who had at least one infant with Sudden Infant Death Syndrome (SIDS). Asymmetric septal hypertrophy (ASH) was detected by echocardiography in one member of only 5 percent of the 42 sets of parents. Echocardiograms were also obtained in three other sets of parents who had infants with SIDS (selected because their infants showed small foci of disorganized cardiac muscle cells in the ventricular septum, similar to those present in patients with typical ASH but less marked in severity). ASH was present in one member of each of these three sets of parents. Ventricular septal‐to‐posterobasal left ventricular wall thickness ratios in the five subjects in this study with echocardiographically determined ASH ranged from 1.3 to 1.7, although only one individual showed marked thickening of the ventricular septum (22 mm). Thus, SIDS and ASH do not appear to be commonly associated conditions.
Ultrasound of gynecologic pelvic masses: The indefinite uterus and other patterns associated with diagnostic error
Authors: Bowie James D. 
Published: February 2007

AbstractIn a series of 99 pelvic ultrasound examinations for suspected gynecologic masses, there were 72 established tissue diagnoses. The ultrasound diagnosis was correct in 61 (85 per cent). The specificity, based on a small number (six) of actual negative cases, was 67 per cent. The sensitivity, based on 57 actual positive cases, was 100 per cent. The ultrasound pattern of a homogeneous solid mass obscuring part or all of the uterine border was commonly associated with an erroneous diagnosis. When this pattern is seen, examination of the patient with higher frequency transducers provides useful information that supplements high‐ and low‐gain scans.
Mesenchymal chondrosarcoma of the rectus sheath case report with ultrasonic findings
Authors: O'Malley B. P. , Qiziblash A. H. 
Published: February 2007

AbstractThe ultrasonic findings in a 54 year old white male with a rare tumor, mesenchymal chondrosarcoma, involving the rectus sheath are described. The sonogram confirmed the tumor's location in the anterior abdominal wall and provided useful information regarding its extetn. An interesting feature was the lesion's relative sonolucency, apparently dur to its myxoid content.
The early work on ultrasound in medicine at the university of lund
Authors: Edler Inge , Hertz Carl Hellmuth 
Published: February 2007

AbstractIn the early 1950's, research was started at the University of Lund on the use of ultrasound as a diagnostic tool in cardiology, neurology, and gynecology. The results of this work provided impetus for the later development of the ultrasonic echo method into a routine procedure in many fields of medicine. A historical review of this fundamental work is given in this paper which also stresses the importance of a stimulating and free atmosphere for the development of new ideas in research.
Gray scale echography with simultaneous a mode presentation a new apparatus for high resolution ultrasonograms
Authors: Susal Alan L. 
Published: February 2007

AbstractA diagnostic ultrasonic system has been developed for simultaneous display of quantitative A mode and gray scale B mode presentations. An independent calibrator and preset amplification levels allow the apparatus to be calibrated for precise, repeatable examinations. A wide range of echo amplitude information is available to the clinician by the use of selective logarithmic signal compression. Distance measurements in the eye and the orbit are made to 0.1 mm precision and are displayed numerically on the control panel. The newer signal processing techniques provide high‐resolution imaging of ophthalmic structures over a wide system bandwidth. Sensitivity has been improved to image structures heretofore not observable with ultrasonic instruments. This technique is the basis for recently initiated clinical studies.
Ultrasound diagnosis of intramural intestinal hematoma
Authors: Lee Timothy G. , Brickman Fred E. , Avecilla Leonard S. 
Published: February 2007

AbstractIntramural intestinal hemorrhage in hemophilia has been diagnosed by ultrasound. The sonographic pattern consists of a tubular anechoic mass containing a core of strong echoes. Recognition of intestinal hematoma is important because of its bearing on treatment and prognosis. To our knowledge, this is the first reported case.
Relationships between mean velocity of circumferential fiber shortening (VCF) and heartrate ‐ the diagnostic value of a normalization of VCF to heart rate
Authors: Knapp Wolfram H. 
Published: February 2007

AbstractPrevious studies relating mean velocity of circumferential fiber shortening (VCF) to heart rate suggested a linear correlation. Since there is considerable variability in the heart rate of normal subjects and in patients with myocardial disease, a normalization of VCF to heart rate could possibly increase the reliability of this echocardiographic parameter of myocardial function. In 106 normal subjects, a linear correlation between VCF and heart rate was confirmed (r=0.87). Values normalized to an arbitrary heart rate of 60/min by the calculated regression were called “relative velocity of contraction” (RVC). Because of the independence of RVC from heart rate, the RVC shows an obviously smaller physiological variation than VCF. Two hundred seventy‐six patients were grouped and classified according to hemodynamic and angiographic parameters. These parameters correlated closer to RVC than to VCF. In addition, RVC gave definitely superior diagnostic information in separating patients with cardiac abnormality from normal individuals than did VCF.
The dynamic uterus revealed by time‐lapse echography
Authors: Buttery Beresford , Davison Gregory 
Published: February 2007

AbstractThe dynamic aspects of the uterus have hitherto gone unrecognized by ultrasonographers. The inherent contractility of the uterus produces dynamic artifacts on static echograms that may lead to serious misdiagnoses. Four cases are presented which illustrated these dynamic changes. Time‐lapse echography is proposed as a method of assessing uterine dynamics and improving diagnostic accuracy.