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June 1, 1994, Vol 271, No. 21 >
ARTICLE | June 1, 1994

Radiology FREE

Ronald G. Evens, MD
JAMA. 1994;271(21):1714-1715. doi:10.1001/jama.1994.03510450086048
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References

There has been a dramatic reduction in the time required for magnetic resonance imaging (MRI) of patients. Conventional MRI studies require approximately 15 minutes per anatomic or technical sequence. Accordingly, if the radiologist needs more than one imaging plane, ie, frontal and lateral, or differing analyses of the MRI data, ie, T1- or T2-weighted images, the time required for imaging of a patient may be 1 hour or more. Several new technological approaches could reduce the imaging time to 15 minutes. If these are successful, MRI should become more available and less expensive. As an example, several manufacturers have "fast imaging techniques," eg, fast spin-echo,1 that reduce imaging time by a factor of at least 10 over standard sequences.

There are likely to be additional improvements that will reduce the time for imaging (even with high resolution) even further. The most promising technique being investigated is

REFERENCES

1 +
Zoarski GH, Mackey JK, Anzai Y, et al.  Head and neck: initial clinical experience with fast spin-echo MR imaging. Radiology . 1993;;188:323-328.
2 +
Stehling MK, Schmitt F, Ladebeck R.  Echo-planar MR imaging of human brain oxygenation changes. J Magn Reson Imaging . 1993;;3:471-474.
3 +
Low RN, Francis IR, Sigeti JS, Foo TKF.  Abdominal MR imaging: comparison with T2-weighted fast and conventional spin-echo and contrast-enhanced fast multiplanar spoiled gradient-recalled imaging. Radiology . 1993;;186:803-812.
4 +
Li D, Paschal CB, Haacke EM.  Coronary arteries: three-dimensional MR imaging with fat saturation and magnetization transfer contrast. Radiology . 1993;;187: 401-406.
5 +
Chuter TAM, Green RM, Ouriel K, et al.  Transfemoral endovascular aortic graft placement. J Vasc Surg . 1993;;18:185-197.
6 +
Mirich D, Wright KC, Wallace S, et al.  Percutaneously placed endovascular grafts for aortic aneurysms: feasibility study. Radiology . 1989;;170:1033-1037.
7 +
Martin M, Zajko AB, Orons PD, et al.  Transjugular intrahepatic portosystemic shunt in the management of variceal bleeding: indications and clinical results. Surgery . 1993;;114:719-727.
8 +
Denny DF.  Placement and management of long-term central venous access catheters and ports. AJR Am J Roentgenol . 1993;;161:385-393.
9 +
Krenning EP, Kwekkeboom DJ, Bakker WH, et al.  Somatostatin receptor scintigraphy with [111In-DPTA-D-Phe1]- and [123I-Tyr3]-octreotide: the Rotterdam experience with more than 1000 patients. Eur J Nucl Med . 1993;;20:716-731.
10 +
Miller L.  Synthetic peptides come of age. J Nucl Med . 1993;;34:15N-30N.
11 +
Wahl RL, Quint LE, Cieslak RD, et al.  'Anatometabolic' tumor imaging: fusion of FDG PET with CT or MRI to localize foci of increased activity. J Nucl Med . 1993;; 34:1190-1197.
12 +
Hawkins RA, Hoh C, Glaspy J, et al.  The role of positron emission tomography in oncology and other whole-body applications. Semin Nucl Med . 1992;;22:268-284.
13 +
Hernanz-Schulman M.  Applications of Doppler sonography to diagnosis of extracranial pediatric disease. Radiology . 1993;;189:1-14.
14 +
Fletcher SW, Black W, Harris R, Rimer BK, Shapiro S.  Report of the International Workshop on Screening for Breast Cancer. J Natl Cancer Inst . 1993;;85:1644-1656.
15 +
 CDRH/FDA will implement Mammography Quality Standards Act (MQSA). Radiol Health Bull CDRH . 1993;;27( (2) ):1-2

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Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

1 +
Zoarski GH, Mackey JK, Anzai Y, et al.  Head and neck: initial clinical experience with fast spin-echo MR imaging. Radiology . 1993;;188:323-328.
2 +
Stehling MK, Schmitt F, Ladebeck R.  Echo-planar MR imaging of human brain oxygenation changes. J Magn Reson Imaging . 1993;;3:471-474.
3 +
Low RN, Francis IR, Sigeti JS, Foo TKF.  Abdominal MR imaging: comparison with T2-weighted fast and conventional spin-echo and contrast-enhanced fast multiplanar spoiled gradient-recalled imaging. Radiology . 1993;;186:803-812.
4 +
Li D, Paschal CB, Haacke EM.  Coronary arteries: three-dimensional MR imaging with fat saturation and magnetization transfer contrast. Radiology . 1993;;187: 401-406.
5 +
Chuter TAM, Green RM, Ouriel K, et al.  Transfemoral endovascular aortic graft placement. J Vasc Surg . 1993;;18:185-197.
6 +
Mirich D, Wright KC, Wallace S, et al.  Percutaneously placed endovascular grafts for aortic aneurysms: feasibility study. Radiology . 1989;;170:1033-1037.
7 +
Martin M, Zajko AB, Orons PD, et al.  Transjugular intrahepatic portosystemic shunt in the management of variceal bleeding: indications and clinical results. Surgery . 1993;;114:719-727.
8 +
Denny DF.  Placement and management of long-term central venous access catheters and ports. AJR Am J Roentgenol . 1993;;161:385-393.
9 +
Krenning EP, Kwekkeboom DJ, Bakker WH, et al.  Somatostatin receptor scintigraphy with [111In-DPTA-D-Phe1]- and [123I-Tyr3]-octreotide: the Rotterdam experience with more than 1000 patients. Eur J Nucl Med . 1993;;20:716-731.
10 +
Miller L.  Synthetic peptides come of age. J Nucl Med . 1993;;34:15N-30N.
11 +
Wahl RL, Quint LE, Cieslak RD, et al.  'Anatometabolic' tumor imaging: fusion of FDG PET with CT or MRI to localize foci of increased activity. J Nucl Med . 1993;; 34:1190-1197.
12 +
Hawkins RA, Hoh C, Glaspy J, et al.  The role of positron emission tomography in oncology and other whole-body applications. Semin Nucl Med . 1992;;22:268-284.
13 +
Hernanz-Schulman M.  Applications of Doppler sonography to diagnosis of extracranial pediatric disease. Radiology . 1993;;189:1-14.
14 +
Fletcher SW, Black W, Harris R, Rimer BK, Shapiro S.  Report of the International Workshop on Screening for Breast Cancer. J Natl Cancer Inst . 1993;;85:1644-1656.
15 +
 CDRH/FDA will implement Mammography Quality Standards Act (MQSA). Radiol Health Bull CDRH . 1993;;27( (2) ):1-2

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