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- W3031170173 abstract "Objective To explore CT and MRI appearances of intracranial germinoma. Methods Eighteen patients with intracranial germinoma confirmed histologically and radiotherapy were selected as the object of this study. CT and MR findings of germinoma were analysed retrospectively. Results In 18 cases, the tumors were located at pineal region in 9 cases, the basal ganglia and thalamus in 3 cases and the sellar region in 6 cases. Germinoma of pineal region showed low signal intensity on T1WI, iso or hyperintense on T2WI, isodense or slightly hyperdense on CT with definite margin, the pineal calculus were embedded frequently by tumors. After administration of contrast material, the tumors showed marked and uniformity enhancement. Thickness of pituitary stalk and absence of the hyperintensity of the posterior pituitary on T1WI were found in sellar germinoma. Tumors showed isointensity on T1WI, but variable signal intensity was exhibited on T2WI. Calcification was absent in all cases, but the solid components of tumors were hyperdense on plain CT, and they were obvious enhancement on contrast-enhanced images. Germinoma located at basal ganglia and thalamus showed larger volume of tumors, inhomogeneous signal intensity and density with indefinite margin, hemorrhage seen in most of case. After administration of contrast material, the tumors showed patch or chaplet-like enhancement. Conclusions It is possible to make the preoperative diagnosis for intracranial germinoma according to sex, age and CT,MR imaging characteristics.Key words: Intracranial; Germinoma; Tomography, X-ray computed; MRI" @default.
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- W3031170173 date "2011-05-10" @default.
- W3031170173 modified "2023-09-24" @default.
- W3031170173 title "Imagingdiagnosis of intracranial germinoma" @default.
- W3031170173 doi "https://doi.org/10.3760/cma.j.issn.1674-4756.2011.09.011" @default.
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