Experimental intracranial septic infarction: magnetic resonance enhancement

R. I. Grossman, P. M. Joseph, G. Wolf, D. Biery, J. McGrath, H. L. Kundel, Joel Fishman, R. A. Zimmerman, H. I. Goldberg, L. T. Bilaniuk

Research output: Contribution to journalArticle

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Abstract

Intracranial brain abscess was produced in three monkeys by embolization of a small pledget of polyvinyl alcohol (PVA) soaked in a broth of Staphylococcus aureus. Imaging of the chronic stable abscess was performed on the General Electric 8800 CT unit (Milwaukee, Wis.) and a 1.4 T superconducting small bore imaging system. Magnetic resonance imaging included saturation recovery, inversion recovery, and spin echo techniques. MR imaging was also performed after paramagnetic enhancement using gadolinium-DTPA (Gd-DTPA). Our results show that paramagnetic enhancement with T1-weighted imaging adds specificity and enables rapid assessment of abnormalities of the blood-brain barrier. T2-weighted imaging without paramagnetic enhancement was very sensitive in defining areas of abnormality in the brain but in our experiment lacked specificity. T2-weighted imaging with Gd-DTPA demonstrated no obvious change in the appearance of the lesion. The combination of T1-weighted Gd-DTPA and T2-weighted imaging appeared complementary in our experiment, and these images correlated well with the pathologic findings.

Original languageEnglish
Pages (from-to)649-653
Number of pages5
JournalRadiology
Volume155
Issue number3
StatePublished - Oct 16 1985
Externally publishedYes

Fingerprint

Gadolinium DTPA
Infarction
Magnetic Resonance Spectroscopy
Polyvinyl Alcohol
Brain Abscess
Blood-Brain Barrier
Abscess
Haplorhini
Staphylococcus aureus
Magnetic Resonance Imaging
Brain

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

Cite this

Grossman, R. I., Joseph, P. M., Wolf, G., Biery, D., McGrath, J., Kundel, H. L., ... Bilaniuk, L. T. (1985). Experimental intracranial septic infarction: magnetic resonance enhancement. Radiology, 155(3), 649-653.

Experimental intracranial septic infarction : magnetic resonance enhancement. / Grossman, R. I.; Joseph, P. M.; Wolf, G.; Biery, D.; McGrath, J.; Kundel, H. L.; Fishman, Joel; Zimmerman, R. A.; Goldberg, H. I.; Bilaniuk, L. T.

In: Radiology, Vol. 155, No. 3, 16.10.1985, p. 649-653.

Research output: Contribution to journalArticle

Grossman, RI, Joseph, PM, Wolf, G, Biery, D, McGrath, J, Kundel, HL, Fishman, J, Zimmerman, RA, Goldberg, HI & Bilaniuk, LT 1985, 'Experimental intracranial septic infarction: magnetic resonance enhancement', Radiology, vol. 155, no. 3, pp. 649-653.
Grossman RI, Joseph PM, Wolf G, Biery D, McGrath J, Kundel HL et al. Experimental intracranial septic infarction: magnetic resonance enhancement. Radiology. 1985 Oct 16;155(3):649-653.
Grossman, R. I. ; Joseph, P. M. ; Wolf, G. ; Biery, D. ; McGrath, J. ; Kundel, H. L. ; Fishman, Joel ; Zimmerman, R. A. ; Goldberg, H. I. ; Bilaniuk, L. T. / Experimental intracranial septic infarction : magnetic resonance enhancement. In: Radiology. 1985 ; Vol. 155, No. 3. pp. 649-653.
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AU - Grossman, R. I.

AU - Joseph, P. M.

AU - Wolf, G.

AU - Biery, D.

AU - McGrath, J.

AU - Kundel, H. L.

AU - Fishman, Joel

AU - Zimmerman, R. A.

AU - Goldberg, H. I.

AU - Bilaniuk, L. T.

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AB - Intracranial brain abscess was produced in three monkeys by embolization of a small pledget of polyvinyl alcohol (PVA) soaked in a broth of Staphylococcus aureus. Imaging of the chronic stable abscess was performed on the General Electric 8800 CT unit (Milwaukee, Wis.) and a 1.4 T superconducting small bore imaging system. Magnetic resonance imaging included saturation recovery, inversion recovery, and spin echo techniques. MR imaging was also performed after paramagnetic enhancement using gadolinium-DTPA (Gd-DTPA). Our results show that paramagnetic enhancement with T1-weighted imaging adds specificity and enables rapid assessment of abnormalities of the blood-brain barrier. T2-weighted imaging without paramagnetic enhancement was very sensitive in defining areas of abnormality in the brain but in our experiment lacked specificity. T2-weighted imaging with Gd-DTPA demonstrated no obvious change in the appearance of the lesion. The combination of T1-weighted Gd-DTPA and T2-weighted imaging appeared complementary in our experiment, and these images correlated well with the pathologic findings.

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