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      Diagnostic accuracy of phase-inversion tissue harmonic imaging versus fundamental B-mode sonography in the evaluation of focal lesions of the kidney.

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      Journal: AJR. American journal of roentgenology
      Publisher: American Roentgen Ray Society

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          Abstract

          We compared phase-inversion tissue harmonic imaging with fundamental B-mode sonography in the evaluation of focal lesions of the kidney.

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          Most cited references27

          • Record: found
          • Abstract: not found
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          Diagnosis and management of patients with complicated cystic lesions of the kidney.

          Morton Bosniak (1997)
          Article 0 comments Cited 28 times – based on 0 reviews     Review now
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            Tissue harmonic imaging sonography: evaluation of image quality compared with conventional sonography.

            Lori R. Shapiro, A Stancato-Pasik, Daniel Parsons … (1998)
            The purpose of this study was to determine if tissue harmonic imaging (THI) sonography produced higher quality images than did conventional sonography. A prospective study was performed on 89 patients to compare the image quality of THI sonography with that of conventional sonography. Each examination was performed using THI sonography (transmitted frequency, 2.0 MHz; received frequency, 4.0 MHz) and conventional sonography at 2.5 and 4.0 MHz. The pancreatic area was studied in 60 patients, and other anatomic areas were studied in 68 patients. The images were then graded for penetration, detail, and total image quality. Graders were unaware of the sonographic technique. Of the 60 pancreatic examinations, THI sonography was the best technique for penetration in 45, detail in 54, and total image quality in 50. For the pancreas, THI sonography was significantly better than 2.5-MHz conventional sonography for penetration (p = .0002), detail (p < .0001), and total image quality (p < .0001). THI sonography was significantly better than 4.0-MHz conventional sonography for penetration (p < .0001), detail (p < .0001), and total image quality (p < .0001). Of the 68 examinations of other anatomic areas, THI sonography was the best technique for penetration in 42, detail in 57, and total image quality in 58. For other anatomic areas, THI sonography was significantly better than 2.5-MHz conventional sonography for penetration (p = .05), detail (p < .0001), and total image quality (p < .0001). THI sonography was significantly better than 4.0-MHz conventional sonography for penetration (p < .0001), detail (p < .0001), and total image quality (p < .0001). The THI technique improved sonographic image quality.
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              Small (< or = 3-cm) renal masses: detection with CT versus US and pathologic correlation.

              Sten Walther, Julian Dow, P Choyke … (1996)
              To determine the sensitivities of computed tomography (CT) and ultrasound (US) for detection and characterization of surgically verified small renal lesions. Twenty-one patients with von Hippel-Lindau disease or hereditary papillary renal cancer underwent CT and US before partial nephrectomy or enucleation; 205 renal masses were removed (92% were <3 cm). Detection rates and accuracy of CT and US in the characterization of renal morphology were correlated with lesion size. CT and US detection rates for lesions of 0-5 mm were respectively 47% and 0%; 5-10 mm, 60% and 21%; 10-15 mm, 75% and 28%; 15-20 mm, 100% and 58%; 20-25 mm, 100% and 79%; and 25-30 mm, 100% and 100%. Among the lesions 10-35 mm, 80% and 82% were correctly characterized with CT and US, respectively. A substantial proportion of lesions under 1 cm were not detected with either modality. Neither CT nor US was superior in the characterization of lesions 3 cm or less. CT and particularly US screening studies in patients with von Hippel-Lindau disease should be interpreted cautiously because missed or mischaracterized small renal lesions are a frequent problem in these patients.
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                Author and article information

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                PubMed ID:: 12760935
                DOI:: 10.2214/ajr.180.6.1801639

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