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Spinal impostor: Metastatic cervical paraganglioma presenting with paraparesis, a case report.
Int J Surg Case Rep
January 2025
Neurosurgery Section, Department of Surgery, The Aga Khan Hospital, P. O Box 2289, Dar Es Salaam, Tanzania.
Introduction And Importance: Paragangliomas are rare neuroendocrine tumors, typically arising from extra-adrenal chromaffin cells. Primary intra-spinal paragangliomas are uncommon, and metastatic spinal paragangliomas without paraneoplastic symptoms are even rarer. This case highlights the diagnostic challenges posed by such rare tumors.
View Article and Find Full Text PDFHypoxia Inducible Factor-dependent upregulation of Agrp in glomus type I cells of the carotid body.
Mol Metab
January 2025
Center for Hypothalamic Research and Department of Internal medicine, UT Southwestern Medical Center, Dallas, TX. Electronic address:
Agouti-related peptide (AgRP) is a well-established potent orexigenic peptide primarily expressed in hypothalamic neurons. Nevertheless, the expression and functional significance of extrahypothalamic AgRP remain poorly understood. In this study, utilizing histological and molecular biology techniques, we have identified a significant expression of Agrp mRNA and AgRP peptide production in glomus type I cells within the mouse carotid body (CB).
View Article and Find Full Text PDFRuptured distal anterior cerebral artery aneurysm presenting with acute subdural hematoma without subarachnoid hemorrhage.
J Surg Case Rep
January 2025
Department of Neurological Surgery, Nippon Medical School Hospital, Tokyo, Japan.
We report a case of distal anterior cerebral artery (DACA) aneurysm presenting with subdural hematoma (SDH) without subarachnoid hemorrhage (SAH). A patient in his fifties presented with headache. Fluid-attenuated inversion recovery magnetic resonance imaging revealed SDH in the interhemispheric fissure and left frontotemporal region.
View Article and Find Full Text PDFSuccessful Surgical Management of Giant, Shamblin III Carotid Body Tumor (CBT) on a Male With 5 Years of Follow-Up: Case Report and Literature Review on Giant CBT.
Vasc Endovascular Surg
January 2025
Department of Surgery, Section of Vascular Surgery and Endovascular Therapy, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Mexico.
Background: Carotid body tumor (CBT) is a rare neoplasm that arises from the chemoreceptor cells located at the carotid bifurcation. Giant CBTs are extremely rare, with only 16 cases reported to date.
Case Summary: A 63-year-old male with an unremarkable medical history presented with a right-sided, giant, Shamblin III CBT.
Minimally invasive measurement of carotid artery and brain temperature in the mouse.
Magn Reson Med
January 2025
Mouse Imaging Centre (MICe), Hospital for Sick Children, Toronto, Ontario, Canada.
Purpose: Brain temperature is tightly regulated and reflects a balance between cerebral metabolic heat production and heat transfer between the brain, blood, and external environment. Blood temperature and flow are critical to the regulation of brain temperature. Current methods for measuring in vivo brain and blood temperature are invasive and impractical for use in small animals.
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