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Intracranial extension of juvenile nasopharyngeal angiofibroma: patterns of involvement with a proposed algorithm for their management.
J Neurosurg Pediatr
January 2025
1Neurotology Unit, Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow; and.
Objective: The objective of this study was to discuss the characteristics of intracranial extension in patients with juvenile nasopharyngeal angiofibroma (JNA) and propose and an algorithm for its management.
Methods: A retrospective chart review of all patients with JNA who underwent operations between January 2013 and January 2023 was done, and those cases with intracranial extension categorized as stage IIIb, IVa, and IVb according to the Andrews modification of the Fisch staging classification were included in the study. Data were collected about age at presentation, symptoms, radiological findings, routes of intracranial extension, therapeutic management, and follow-up.
cSTAR analysis identifies endothelial cell cycle as a key regulator of flow-dependent artery remodeling.
Sci Adv
January 2025
Yale Cardiovascular Research Center, Yale School of Medicine, New Haven, CT 06511, USA.
Fluid shear stress (FSS) from blood flow sensed by vascular endothelial cells (ECs) determines vessel behavior, but regulatory mechanisms are only partially understood. We used cell state transition assessment and regulation (cSTAR), a powerful computational method, to elucidate EC transcriptomic states under low shear stress (LSS), physiological shear stress (PSS), high shear stress (HSS), and oscillatory shear stress (OSS) that induce vessel inward remodeling, stabilization, outward remodeling, or disease susceptibility, respectively. Combined with a publicly available database on EC transcriptomic responses to drug treatments, this approach inferred a regulatory network controlling EC states and made several notable predictions.
View Article and Find Full Text PDFTechnical Pearls for Breast Reconstruction in Low BMI Asian Women With the Profunda Artery Perforator Flap.
Microsurgery
January 2025
Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan.
Background: The deep inferior epigastric perforator (DIEP) flap is currently the gold standard for autologous breast reconstruction. In cases where the DIEP is contraindicated, the profunda artery perforator (PAP) flap is now the preferred second-line option in our institution. The PAP flap poses unique challenges to the reconstructive surgeon, especially in Asian women with low body mass index (BMI).
View Article and Find Full Text PDFLaparoscopic Warshaw Procedure for Solid Pseudopapillary Neoplasms in Children.
Am Surg
January 2025
Department of Pediatric Surgery, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN, USA.
Background: Solid pseudopapillary neoplasms (SPNs) arising in the body or tail of the pancreas can be amenable to laparoscopic distal pancreatectomy with or without concomitant splenectomy. The purpose of this study was to evaluate laparoscopic distal pancreatectomy for SPN using the Warshaw technique as a means to preserve spleens in children.
Methods: We reviewed our database of SPN patients 19 years and younger (January 2006-December 2023).
Spatially dependent tissue distribution of thyroid hormones by plasma thyroid hormone binding proteins.
Pflugers Arch
January 2025
Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, 30322, USA.
Plasma thyroid hormone (TH) binding proteins (THBPs), including thyroxine-binding globulin (TBG), transthyretin (TTR), and albumin (ALB), carry THs to extrathyroidal sites, where THs are unloaded locally and then taken up via membrane transporters into the tissue proper. The respective roles of THBPs in supplying THs for tissue uptake are not completely understood. To investigate this, we developed a spatial human physiologically based kinetic (PBK) model of THs, which produces several novel findings.
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