Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society · 2000
Germ cell tumors of the central nervous system originating from non-pineal regions: CT and MR features.
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Tomura N, Takahashi S, Kato K, Okane K, Sashi R, Watanabe O, Watarai J, Ito Y, Mizoi K
Аннотация
CT and MR findings were retrospectively reviewed in 12 patients with germ cell tumors originating from the non-pineal regions. Cystic or necrotic components were seen in 6 patients. Of 4 germinomas, 2 showed mixed density on the CT. The MR signal intensity of the tumor was non-specific. Of 8 germinomas, 4 were inhomogeneously enhanced on postcontrast CT and T1-weighted MR images. CT and MR features of germinomas originating from non-pineal regions frequently differ from those of germinomas originating from the pineal region. The mass of the tumor often appeared cystic and inhomogeneously enhanced following contrast infusion.