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Introduction: When initial resection of rectal neuroendocrine tumors (r-NETs) is not R0, persistence of local residue could lead to disease recurrence. This study aimed to evaluate the interest of systematic resection of non-R0 r-NET scars.
Methods: Retrospective analysis of all the consecutive endoscopic revisions and resections of the scar after non-R0 resections of r-NETs.
Results: A total of 100 patients were included. Salvage endoscopic procedure using endoscopic submucosal dissection or endoscopic full-thickness resection showed an R0 rate of near 100%. Residual r-NET was found in 43% of cases.
Discussion: In case of non-R0 resected r-NET, systematic scar resection by endoscopic full-thickness resection or endoscopic submucosal dissection seems necessary.
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http://dx.doi.org/10.14309/ajg.0000000000002516 | DOI Listing |
J Neurosurg Case Lessons
September 2025
Department of Neurosurgery, Fleming Neuroscience Institute, Allentown, Pennsylvania.
Background: High-grade astrocytoma with piloid features (HGAP) was recently added to the WHO 2021 CNS classification system among the group of circumscribed astrocytic gliomas. These tumors present with high-grade piloid histology with similarities to glioblastoma. HGAPs in the pineal region become particularly challenging due to its deep location and proximity to deep venous structures, the midbrain, and the thalamus.
View Article and Find Full Text PDFJ Neurosurg Case Lessons
September 2025
Department of Neurosurgery, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey.
Background: Anaplastic lymphoma kinase (ALK)-positive primary CNS anaplastic large cell lymphoma (ALCL) is an extremely rare pediatric malignancy. Its radiological appearance often mimics infectious or glial lesions, complicating diagnosis and delaying treatment.
Observations: The authors report the case of a 10-year-old immunocompetent female who presented with absence seizures and vomiting.
Int J Surg
September 2025
Endoscopy Center and Endoscopy Research Institute, Zhongshan Hospital, Fudan University, Shanghai, China.
Background And Aims: A scoring model was proposed to support endoscopic decision-making for cardial submucosal tumors (SMTs). The aim of this study is to perform a multicenter validation of the clinical scoring model and to introduce a new clinical classification system for cardial SMTs.
Methods: A multicenter analysis of endoscopic decision-making for cardial submucosal tumors (SMTs) was conducted.
World Neurosurg
September 2025
Department of Neurosurgery, Medical University of South Carolina, Charleston, United States. Electronic address:
Background: Brainstem cavernous malformations (BSCMs) are rare yet high-risk vascular lesions with a complex clinical course due to their eloquent location. Optimal treatment remains a topic of debate. This review aims to evaluate the outcomes of different management strategies for BSCMs, with a focus on rebleeding, functional recovery, and mortality.
View Article and Find Full Text PDFWorld Neurosurg
September 2025
Division of Neurosurgery, Department of Neurological Sciences, Università degli Studi di Napoli Federico II, Naples, Italy.
We present a case of third ventricle colloid cyst surgical resection using a tubular-based endoscopic transcortical approach. Third ventricle colloid are rare benign lesions typically found in the anterolateral part of the third ventricle, close to the foramen of Monro. Several surgical approaches have been employed for their management.
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