Sonographically Identified Echogenic Renal Masses Up to 1 cm in Size Are So Rarely Malignant They Can Be Safely Ignored

Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/135692/1/jum2016352323.pd

An easily made, low-cost, tissue-like ultrasound phantom material

No Abstract.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/38198/1/1870230413_ftp.pd

The Use of Additionally Trained Sonographers as Ultrasound Practitioners

Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/135664/1/jum2006253321.pd

The Effect of Poststenotic Vessel Wall Compliance upon the Pulsus Tardus Phenomenon

Recent studies have investigated the detection of significant arterial stenoses through identification of the "pulsus tardus" phenomenon in Doppler waveforms obtained distal to the stenosis. The etiology of this phenomenon, however, has not yet been determined. Using an in vitro model based upon an electrical circuit analogy, the authors had as their objective to determine whether the compliance of the vessel wall immediately distal to a stenosis, in conjunction with the stenosis, is the cause of pulsus tardus. For a constant stenosis, it was found that the degree of pulsus tardus, as quantitated by the acceleration index, increased as the compliance of the poststenotic segment increased. It is concluded that pulsus tardus distal to an arterial stenosis is likely due to the compliance of the normally distensible artery, in conjunction with the stenosis. Pathological conditions that alter the compliance of the poststenotic segment may affect the degree of pulsus tardus, perhaps limiting its usefulness for upstream stenosis detection.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/68136/2/10.1177_000331979404500703.pd

Milk of calcium renal cyst: CT findings

Milk of calcium in the kidney is usually found in association with hydronephrosis or caliceal diverticula. A case of milk of calcium in a renal cyst is presented. Contiguity with an adjacent rib can make it difficult to detect the dependent layered milk of calcium.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/29915/1/0000272.pd

Dilated renal collecting systems:Differentiating obstructive from nonobstructive dilation using duplex doppler ultrasound

Two patients with ileal loop urinary diversions, studied with real-time and Doppler sonogphy ("duplex sonography") of the kidneys, were shown to have dilated intrarenal collecting Resistive index measurements calculated from the Doppler signal correctly identified obstructive dilatation in 1 case and nonobstructive dilatation in the other.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/29467/1/0000553.pd

Imaging of joints with laser‐based photoacoustic tomography: An animal study

Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/134964/1/mp4166.pd

Impact Ionization in ZnS

The impact ionization rate and its orientation dependence in k space is calculated for ZnS. The numerical results indicate a strong correlation to the band structure. The use of a q-dependent screening function for the Coulomb interaction between conduction and valence electrons is found to be essential. A simple fit formula is presented for easy calculation of the energy dependent transition rate.Comment: 9 pages LaTeX file, 3 EPS-figures (use psfig.sty), accepted for publication in PRB as brief Report (LaTeX source replaces raw-postscript file

Technique and diagnostic utility of saline infusion sonohysterography

The introduction of saline infusion sonohysterography has significantly improved sonographic diagnosis of various endometrial pathologies. This procedure entails instillation of warm saline into the uterine cavity transcervically to provide enhanced visualization of the endometrium during transvaginal ultrasound examination. This article reviews the sonohysterography technique and current utility, as well as the spectrum of imaging features of various endometrial pathologies.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/135202/1/ijgo5.pd

Testicular plasmacytoma: Appearance on gray-scale and power Doppler sonography

A case of testicular plasmacytoma, a very rare neoplasm, is presented. The gray-scale and power Doppler sonographic findings are illustrated. The lesion appeared as a hypoechoic, intratesticular mass that was markedly hypervascular. When marked hypervascularity is present in a testicular mass in a patient unlikely to have orchitis on clinical grounds, plasmacytoma should be considered in the differential diagnosis. © 1999 John Wiley & Sons, Inc. J Clin Ultrasound 27:345–346, 1999.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/34585/1/6_ftp.pd