Jaroslaw Kowal

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Primary brain tumors represent an important cause of cancer-related morbidity and mortality in the United States. Despite advances in neurosurgery and radiotherapy, the median survival of patients with malignant gliomas remains less than 1 year. A contributing factor to the poor prognoses of these patients is the diffuse, infiltrative nature of these(More)
Surgical aortic valve replacement (AVR) still remains the treatment of choice in symptomatic significant aortic stenosis (AS). Due to technical problems, extensive calcification of the ascending aorta ("porcelain aorta") is an additional risk factor for surgery and transapical aortic valve implantation (TAAVI) is likely to be the only rescue procedure for(More)
PURPOSE This study was done to determine which clinical and imaging findings best correlate with outcome in children with tectal tumors. METHODS A retrospective review was done of the medical records and imaging studies of 32 children (16 boys and 16 girls; mean age, 8 years) with tectal tumors. Eight children had CT, 11 had MR imaging, and 13 had both CT(More)
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