منابع مشابه
Chordomas of the skull base: MR features.
PURPOSE To characterize the MR features of skull base chordomas with regard to signal intensity, size, position, extension, and Gd-DTPA enhancement. PATIENTS AND METHODS The MR imaging studies of 28 patients with surgically proven chordomas of the skull base were retrospectively reviewed. Twenty-two of these patients received intravenous administration of Gd-DTPA. RESULTS On short TR/short ...
متن کاملTumor-biology and current treatment of skull-base chordomas.
Chordomas are rare, slow growing tumors of the axial skeleton, which derive from the remnants of the fetal notochord. They can be encountered anywhere along the axial skeleton, most commonly in the sacral area, skull base and less commonly in the spine. Chordomas have a benign histopathology but exhibit malignant clinical behavior with invasive, destructive and metastatic potential. Genetic and...
متن کاملProton radiation therapy for chordomas and chondrosarcomas of the skull base.
OBJECT Local tumor control, patient survival, and treatment failure outcomes were analyzed to assess treatment efficacy in 58 patients in whom fractionated proton radiation therapy (RT) was administered for skull base chordomas and chondrosarcomas. METHODS Between March 1992 and January 1998, a total of 58 patients who could be evaluated were treated for skull base tumors, 33 for chordoma and...
متن کاملFungal infection of the sinus and anterior skull base
Abstract Background: Invasive fungal infection is an opportunistic infection caused commonly by mucoraccae and aspergillus. It mostly occurs in patients with underlying disease. Since it has a high mortality and morbidity rate, considering a treatment strategy seems necessary. Objective: Since there has not been a clear protocol for treating these patients, we decided to establish...
متن کاملEndoscopic Skull Base Surgery
Endoscopic skull base surgery has undergone rapid advancement in the past decade moving from pituitary surgery to suprasellar lesions and now to a myriad of lesions extending from the cribriform plate to C2 and laterally out to the infratemporal fossa and petrous apex. Evolution of several technological advances as well as advances in understanding of endoscopic anatomy and the development of s...
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ژورنال
عنوان ژورنال: Cancer
سال: 2003
ISSN: 0008-543X,1097-0142
DOI: 10.1002/cncr.11756