Magnetic resonance imaging of primary intracranial tumors: a review

Journal Article · Fri Feb 01 04:00:00 EST 1985 · Int. J. Radiat. Oncol., Biol. Phys.; (United States)

DOI:https://doi.org/10.1016/0360-3016(85)90153-1· OSTI ID:5751051

Holland, B A; Brant-Zawadzki, M; Norman, D; Newton, T H

The experience in magnetic resonance (MR) imaging of primary intracranial neoplasia at University of California, San Francisco is reviewed. Seventy patients have been evaluated by MR and computerized tomography (CT). MR scans were performed using a multi-slice spin echo technique with a long pulse repetition time (TR = 2000 msec), and long echo sampling delay (TE = 56 msec). This method was most sensitive in differentiating normal gray and white matter and in detecting both cerebral edema and abnormal tissue with prolonged T/sub 2/ characteristics. More sensitive to slight alterations in normal tissue, MR may detect a focal lesion in cases in which CT shows only mass effect. Moreover, MR may demonstrate more thoroughly the extent of tumor infiltration and broaden the characterization of abnormal tissue. Posterior fossa and brainstem anatomy are invariably better depicted by MR. The major limitations of MR include its inability to detect foci of tumor calcification, demonstrate the severity of bone destruction, or reliably distinguish tumor nidus from surrounding edema.

• Research Organization: Univ. of California, San Francisco
• OSTI ID: 5751051
• Journal Information: Int. J. Radiat. Oncol., Biol. Phys.; (United States), Journal Name: Int. J. Radiat. Oncol., Biol. Phys.; (United States) Vol. 11:2; ISSN IOBPD
• Country of Publication: United States
• Language: English

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62 RADIOLOGY AND NUCLEAR MEDICINE
ASTROCYTOMAS
BODY
BRAIN
CENTRAL NERVOUS SYSTEM
COMPUTERIZED TOMOGRAPHY
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASES
EDEMA
GLIOMAS
MAGNETIC RESONANCE
NEOPLASMS
NERVOUS SYSTEM
NUCLEAR MAGNETIC RESONANCE
ORGANS
PATHOLOGICAL CHANGES
PATIENTS
RESONANCE
SPIN ECHO
SYMPTOMS
TOMOGRAPHY