Brain Logistic Segmentation (BLS): an efficient algorithm for whole-brain tissue segmentation in structural magnetic resonance imaging

Senra Filho, Antonio Carlos da Silva; Junior, Luiz Otávio Murta

doi:10.1007/s42600-023-00325-4

Res. Biomed. Eng.

2023

DOI: 10.1007/s42600-023-00325-4

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Brain Logistic Segmentation (BLS): an efficient algorithm for whole-brain tissue segmentation in structural magnetic resonance imaging

Antonio Carlos da Silva Senra Filho,

Luiz Otávio Murta Junior

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2024

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Focally Enlarged Perivascular Spaces in Pediatric and Adolescent Patients with Polymicrogyria—an MRI Study

Rauch,

Lachner,

Frickel

et al. 2024

Clin Neuroradiol

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Purpose Polymicrogyria (PMG) is a cortical malformation frequently associated with epilepsy. Our aim was to investigate the frequency and conspicuity of enlarged perivascular spaces (EPVS) underneath dysplastic cortex as a potentially underrecognized feature of PMG in pediatric and adolescent patients undergoing clinical magnetic resonance imaging (MRI). Methods We analyzed data from 28 pediatric and adolescent patients with PMG and a matched control group, ranging in age from 2 days to 21 years, who underwent MRI at 1.5T or 3T. T2-weighted MR images were examined for the presence of EPVS underneath the dysplastic cortex. The quantity of EPVS was graded from 0 to 4 (0: none, 1: < 10, 2: 11–20, 3: 21–40, 4: > 40 EPVS). We then compared the presence and quantity of EPVS to the matched controls in terms of total EPVS scores, and EPVS scores underneath the dysplastsic cortex depending on the age groups, the localization of PMG, and the MRI field strength. Results In 23/28 (82%) PMG patients, EPVS spatially related to the dysplastic cortex were identified. EPVS scores were significantly higher in PMG patients compared to controls, independent from age or PMG location. No significant differences were observed in EPVS scores in patients examined at 1.5T compared to those examined at 3T. Conclusion EPVS underneath the dysplastic cortex were identified in 82% of patients. EPVS may serve as an important clue for PMG and a marker for cortical malformation.

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Focally Enlarged Perivascular Spaces in Pediatric and Adolescent Patients with Polymicrogyria—an MRI Study

Rauch,

Lachner,

Frickel

et al. 2024

Clin Neuroradiol

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Brain Logistic Segmentation (BLS): an efficient algorithm for whole-brain tissue segmentation in structural magnetic resonance imaging

Cited by 1 publication

References 59 publications

Focally Enlarged Perivascular Spaces in Pediatric and Adolescent Patients with Polymicrogyria—an MRI Study

Focally Enlarged Perivascular Spaces in Pediatric and Adolescent Patients with Polymicrogyria—an MRI Study

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