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Abstract

MR of Craniopharyngiomas: Tumor Delineation and Characterization

Elizabeth Pusey, Keith E. Kortman, Bonnie D. Flannigan, Jay Tsuruda and William G. Bradley
American Journal of Neuroradiology May 1987, 8 (3) 439-444;
Elizabeth Pusey
1Department of Radiologic Sciences, University of California, Los Angeles, Center for Health Sciences, Los Angeles, CA 90024. Address reprint requests to E. Pusey
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Keith E. Kortman
2Department of Radiology, Huntington Memorial Hospital, and NMR Imaging Laboratory, Huntington Medical Research Institutes, Pasadena, CA 91105
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Bonnie D. Flannigan
1Department of Radiologic Sciences, University of California, Los Angeles, Center for Health Sciences, Los Angeles, CA 90024. Address reprint requests to E. Pusey
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Jay Tsuruda
2Department of Radiology, Huntington Memorial Hospital, and NMR Imaging Laboratory, Huntington Medical Research Institutes, Pasadena, CA 91105
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William G. Bradley
2Department of Radiology, Huntington Memorial Hospital, and NMR Imaging Laboratory, Huntington Medical Research Institutes, Pasadena, CA 91105
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Abstract

MR imaging and CT (with and without contrast enhancement) were performed in 20 patients with an established or clinically suspected diagnosis of craniopharyngioma. Fifteen had biopsy-proven craniopharyngioma and five had presumed craniopharyngioma based on clinical and CT findings. In two cases MR was superior to contrast-enhanced CT in demonstrating the tumor. A variable appearance on T1-weighted MR images reflecfed the pathologic appearance of craniopharyngiomas. High intensity on T1-weighted images corresponded to high cholesterol content or presence of methemoglobin. MR was e preferred method in the evaluation of tumor extent, especially in the cavernous sinus and posterior clival region. CT was superior to MR in detecting the presence of calcification, which with the clinical history correctly suggested the diagnosis of cranloparyngloma. Both MR and CT studies are desired Initially to establish the diagnosis and to evaluate tumor extent. MR was the preferred method in detecting the presence of recurrent tumor.

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American Journal of Neuroradiology
Vol. 8, Issue 3
1 May 1987
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MR of Craniopharyngiomas: Tumor Delineation and Characterization
Elizabeth Pusey, Keith E. Kortman, Bonnie D. Flannigan, Jay Tsuruda, William G. Bradley
American Journal of Neuroradiology May 1987, 8 (3) 439-444;

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MR of Craniopharyngiomas: Tumor Delineation and Characterization
Elizabeth Pusey, Keith E. Kortman, Bonnie D. Flannigan, Jay Tsuruda, William G. Bradley
American Journal of Neuroradiology May 1987, 8 (3) 439-444;
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