Ankit Mehta

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  • Iman Sadeghzadeh, Ankit Mehta, Youmin Zhang, Camille-Alain Rabbath
  • 2011
Based on two successfully and widely used control techniques in many industrial applications under normal (fault-free) operation conditions, the Gain-Scheduled Proportional-Integral-Derivative (GS-PID) control and Model Reference Adaptive Control (MRAC) strategies have been extended, implemented, and experimentally tested on a quadrotor helicopter Unmanned(More)
BACKGROUND Many decompression procedures involve complete or partial facetectomy. Spinal fusion usually stabilizes the motion segment after complete facetectomies. However, problems with fusion, such as adjacent-level degeneration, have increased interest in motion- preservation technologies. Facet arthroplasty may become an important posterior(More)
Current radiographic response criteria for brain tumors have difficulty describing changes surrounding postoperative resection cavities. Volumetric techniques may offer improved assessment, however usually are time-consuming, subjective and require expert opinion and specialized magnetic resonance imaging (MRI) sequences. We describe the application of a(More)
Sleep problems are commonly encountered in children with a prevalence of 20-42 %. Sleep problem usually entails a sleep pattern that is unsatisfactory or cause of concern to the parent, child or physician. Children present to primary care physicians or pediatricians with mainly three types of sleep related problems-first group has disorders of initiating(More)
Determining radiographic progression in primary malignant brain tumors has posed a significant challenge to the neuroncology community. Glioblastoma multiforme (GBM, WHO Grade IV) through its inherent heterogeneous enhancement, growth patterns, and irregular nature has been difficult to assess for progression. Our ability to detect tumor progression(More)
Drug delivery of immunotoxins to brain tumors circumventing the blood brain barrier is a significant challenge. Convection-enhanced delivery (CED) circumvents the blood brain barrier through direct intracerebral application using a hydrostatic pressure gradient to percolate therapeutic compounds throughout the interstitial spaces of infiltrated brain and(More)
Study Design Case report. Objective Merkel cell carcinoma is an aggressive neuroendocrine carcinoma with a poor prognosis. Metastatic epidural spinal cord compression (MESCC) is a debilitating disease causing neurologic deficits. The surgical management for MESCC depends on pathology. Methods We report a case of Merkel cell carcinoma of the spine and(More)
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