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Abnormal ramification pattern of the renal and testicular vessels.
Anat Cell Biol
December 2024
Department of Anatomy and Neurobiology, National Defense Medical College, Tokorozawa, Japan.
We demonstrate an aberrant ramification pattern of the renal and testicular vessels. On both sides, the anterior and posterior renal veins emerged from the renal. On the right side, the anterior renal vein collected the right testicular vein and drained into the inferior vena cava, while the posterior one directly drained into the inferior vena cava.
View Article and Find Full Text PDFIdentification of a T2-hyperintense Perivascular Space in Brain Arteriovenous Malformations.
In Vivo
December 2024
Group Brain Vasculature and Perivascular Niche, Division of Experimental and Translational Neuroscience, Krembil Brain Institute, Krembil Research Institute, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada;
Background/aim: Brain arteriovenous malformations (AVMs) are vascular malformations characterized by dysmorphic, aberrant vasculature. During previous surgeries of compact nidus brain AVMs (representing the majority of cases), we have observed a "shiny" plane between nidal and perinidal AVM vessels and the surrounding grey and white matter and hypothesized that preoperative neuroimaging of brain AVMs may show a neuroradiological correlate of these intraoperative observations.
Patients And Methods: We retrospectively reviewed and analyzed multiplanar and multisequence 3-Tesla magnetic resonance (3T MR) imaging in five consecutive brain AVMs with special attention on imaging characteristics of the brain-AVM interface, i.
Neuropathological features of cerebrovascular diseases.
Pathology
November 2024
Institutionen för kliniska vetenskaper, Lunds Universitet, Klinisk Patologi & Medicinsk Service, Region Skåne, Lund, Sweden.
Optimal blood flow through a patent cerebral circulation is critical for supply of oxygen and nutrients for brain function. The integrity of vascular elements within arterial vessels of any calibre can be compromised by various disease processes. Pathological changes in the walls of veins and the venous system may also alter the dynamics of cerebral perfusion.
View Article and Find Full Text PDFSuccessful Treatment of Low-Flow Vascular Malformation in the Lip Using Intralesional Bleomycin: A Case Report.
Cureus
November 2024
Department of Oral and Maxillofacial Surgery, Meghna Institute of Dental Sciences, Nizamabad, IND.
Vascular malformations (VMs) are congenital abnormalities of blood or lymphatic vessels, present at birth and growing proportionally with the individual. They are classified into types such as capillary, venous, lymphatic, and arteriovenous malformation (AVMs). Symptoms include discoloration, swelling, pain, or functional impairment, depending on the type and location.
View Article and Find Full Text PDFAnalysis of associated malformations by computed tomography in adults with polysplenia syndrome: A pilot study.
PLoS One
December 2024
Department of Medical Imaging, The Affiliated Suzhou Hospital of Nanjing Medical University, Gusu School of Nanjing Medical University, Suzhou, Jiangsu, China.
Objective: To analytically depict the associated malformations of polysplenia syndrome (PS) in adults via computed tomography (CT).
Materials And Methods: The incidence of malformations associated with PS in twelve adult patients was retrospectively analyzed via CT imaging.
Results: The number of splenic nodules ranged from three to twelve; the splenic nodules were located in the left upper quadrant in nine patients and in the right upper quadrant in three patients.
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