Articles with "negative focal" as a keyword



3 Tesla MRI-negative focal epilepsies: Presurgical evaluation, postoperative outcome and predictive factors

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Published in 2017 at "Clinical Neurology and Neurosurgery"

DOI: 10.1016/j.clineuro.2017.10.038

Abstract: OBJECTIVE To investigate presurgical diagnostic modalities, clinical and seizure outcome as well as predictive factors after resective epilepsy surgery in 3 Tesla MRI-negative focal epilepsies. PATIENTS AND METHODS This retrospective study comprises 26 patients (11… read more here.

Keywords: predictive factors; negative focal; outcome; tesla mri ... See more keywords

Liquid crystal microlens array with positive and negative focal lengths based on a patterned electrode.

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Published in 2022 at "Applied optics"

DOI: 10.1364/ao.452223

Abstract: A liquid crystal microlens array (LCMLA) with positive and negative focal lengths based on a ring-array patterned electrodes is demonstrated. By carefully designing patterned electrodes with a circular electrode array area and outer ring electrode… read more here.

Keywords: negative focal; liquid crystal; positive negative; voltage ... See more keywords

A cost-effective predictive tool for AFP-negative focal hepatic lesions of retrospective study: enhancing clinical triage and decision-making

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Published in 2025 at "PeerJ"

DOI: 10.7717/peerj.19150

Abstract: Background Identifying alpha-fetal protein (AFP)-negative focal hepatic lesions presents a significant challenge, particularly in China. We sought to develop an economically portable tool for the diagnosis of benign and malignant liver lesions with AFP-negative status,… read more here.

Keywords: tool; hepatic lesions; predictive tool; afp negative ... See more keywords