Imaging of the spleen: CT with supplemental MR examination.

L. S. Rabushka, A. Kawashima, Elliot K Fishman

Research output: Contribution to journalArticle

Abstract

Splenic lesions tend to be small or infiltrating and vary in size and configuration, making detection difficult, particularly without use of an organ-specific contrast agent. The authors present a series of selected cases to show the value of computed tomography (CT) and magnetic resonance (MR) imaging in depiction of splenic disease. Six major categories are presented: (a) inflammatory disease, (b) splenic cysts, (c) infarction, (d) nonneoplastic and noninfectious diffuse splenic disease, (e) benign tumors, and (f) malignant tumors. CT attenuation of splenic tissue is homogeneous, typically measuring 40-60 HU on non-contrast material-enhanced scans. Splenic attenuation is normally 5-10 HU less than that of liver, a standard of reference used in evaluation of either hepatic or splenic disease. On T1-weighted MR images, the normal signal intensity of the spleen is less than that of hepatic tissue and slightly greater than that of muscle. On T2-weighted images, the spleen shows higher signal intensity, appearing brighter than the liver. CT is currently the choice for evaluation of the spleen; however, MR imaging may be increasingly used as newer pulse sequences and organ-specific contrast agents are developed.

Original languageEnglish (US)
Pages (from-to)307-332
Number of pages26
JournalRadiographics : a review publication of the Radiological Society of North America, Inc
Volume14
Issue number2
StatePublished - Mar 1994

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Splenic Diseases
Magnetic Resonance Spectroscopy
Spleen
Tomography
Liver
Contrast Media
Magnetic Resonance Imaging
Infarction
Cysts
Neoplasms
Muscles

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Imaging of the spleen : CT with supplemental MR examination. / Rabushka, L. S.; Kawashima, A.; Fishman, Elliot K.

In: Radiographics : a review publication of the Radiological Society of North America, Inc, Vol. 14, No. 2, 03.1994, p. 307-332.

Research output: Contribution to journalArticle

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