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Title: Usefulness of T2*-weighted MR sequence for the diagnosis of subfrontal schwannoma
Authors: Santhosh, K.
Kesavadas, C.
Radhakrishnan, V. V.
Thomas, B.
Kapilamoorthy, T. R.
Gupta, A. K.
Keywords: Radiology
Issue Date: 2007
Citation: JOURNAL OF NEURORADIOLOGY. 34; 5; 330-333
Abstract: Subfrontal schwannomas are rare tumors that are usually diagnosed during surgery. They are often misdiagnosed as meningioma or esthesioneuroblastoma because of their similar clinical and radiological features. We report a case of schwannoma arising from the floor of the anterior cranial fossa that had radiological features similar to that of meningioma. However, T2*-weighted MR imaging revealed multiple foci of Low signal intensities within the tumor related to microbleeds, which suggested a diagnosis of schwannoma that was confirmed by histopathology. This case report demonstrates the usefulness of T2*-weighted sequence in distinguishing meningioma from schwannoma, especially in cases where the tumor has an unusual location. (C) 2007 Elsevier Masson SAS. All rights reserved.
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