Results 81 to 90 of about 100,459 (259)

What is Doppler ultrasound? [PDF]

open access: yes, 2011
The term Doppler should be capitalized because it refers to Christian Johann Doppler, an Austrian physicist (1803–1853). He described a phenomenon whereby the frequency of sound changes when it is reflected off a moving object.
Vassallo, Pierre
core  

Micro Pattern‐Based 3D Cell Culture Platform: An Overview of Technologies and Applications

open access: yesExploration, EarlyView.
Micro patterns are characterized as a coating of specific adhesion matrices on substrates to support cell growth. An overview of micropattern technology to regulate single cell morphology and fates, further focusing on the micro pattern‐based 3D cell culture platform used in the non‐tumor and tumor researches.
Xinglong Zhu   +8 more
wiley   +1 more source

Transoral Styloidectomy Approach: A Systematic Review and Enhanced Endoscopic Approach

open access: yesHead &Neck, EarlyView.
ABSTRACT Background Synthesize transoral styloidectomy approaches, highlight advantages, disadvantages, surgical outcomes, and describe an improved endoscopic transoral technique. Methods A systematic review of peer‐reviewed articles was conducted on November 11, 2025 in PubMed, Embase, the Cochrane Library, and Medline.
Nana‐Hawwa Abdul‐Rahman   +4 more
wiley   +1 more source

Periodontitis and atherosclerotic cardiovascular disease: A critical appraisal

open access: yesPeriodontology 2000, EarlyView., 2023
Abstract In spite of intensive research efforts driving spectacular advances in terms of prevention and treatments, cardiovascular diseases (CVDs) remain a leading health burden, accounting for 32% of all deaths (World Health Organization. “Cardiovascular Diseases (CVDs).” WHO, February 1, 2017, https://www.who.int/news‐room/fact‐sheets/detail ...
Maria Clotilde Carra   +3 more
wiley   +1 more source

Intraoperative Indocyanine Green Fluorescence Enables Primary Tumor Localization and Treatment De‐Escalation in SCCUP: A Case Report

open access: yesHead &Neck, EarlyView.
ABSTRACT Background Unknown primary cancer in the head and neck presents a difficult surgical treatment dilemma. Patients with squamous cell carcinoma of unknown primary (SCCUP) typically present with an enlarging neck mass found on biopsy but with no indication of primary site on diagnostic exams such as flexible laryngoscopy, CT, MRI, and/or PET/CT ...
Nikhil Bellamkonda   +5 more
wiley   +1 more source

Prevention of stillbirths associated with umbilical cord abnormalities: A clinico‐pathological overview

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Stillbirths affect millions of pregnancies every year worldwide, and obstruction of the umbilical cord blood flow is one of the main causes of fetal death. This review provides a clinico‐pathological overview of cord abnormalities potentially associated with antepartum stillbirth, describing the mechanism determining the death and addressing ...
Laura Avagliano   +3 more
wiley   +1 more source

Vascular Calcification: Mechanisms, Models, and Therapies

open access: yesiNew Medicine, EarlyView.
ABSTRACT Vascular calcification represents an active multifactorial process that mirrors several key features of skeletal bone mineralization. Clinically, it is characterized by diminished arterial compliance and increased arterial wall stiffness, both of which serve as independent predictors of significant adverse cardiovascular events.
Wenya Zhu   +5 more
wiley   +1 more source

Transcranial Color‐Coded Duplex Sonography in Large‐Vessel Vasculitis Compatible With Takayasu Arteritis Presenting Intracranial Involvement and Vertebrobasilar Dolichoectasia: A Case Report

open access: yesJournal of Clinical Ultrasound, EarlyView.
This case illustrates sequential intracranial occlusions in large‐vessel vasculitis compatible with Takayasu arteritis preserving perfusion through robust collateral pathways. Transcranial color‐coded duplex sonography identified characteristic blunted flow patterns and focal turbulence, underscoring its value in detecting hemodynamic compromise beyond
Maria Júnia Lira e Silva   +4 more
wiley   +1 more source

Enriched Environment Enhances Motor Function in Mice With Cerebral Infarction by Promoting mTOR‐Dependent Autophagy in the Contralateral Dentate Nucleus

open access: yesThe Kaohsiung Journal of Medical Sciences, EarlyView.
ABSTRACT Although environmental enrichment (EE) promotes post‐stroke motor recovery, the mechanisms underlying its regulation of cerebellar dentate nucleus (DN) plasticity remain unclear; this study therefore investigated how EE coordinates autophagy, mitochondrial homeostasis, and synaptic remodeling in the contralateral DN to facilitate functional ...
Chuan‐Jie Wang   +3 more
wiley   +1 more source

Recurrent Maxillary Ameloblastoma Presenting as an External Auditory Canal Mass

open access: yesThe Laryngoscope, EarlyView.
Ameloblastoma with temporal bone involvement is exceedingly rare, with no prior reports of external auditory canal presentation. This case report demonstrates successful multidisciplinary management with extensive skull base resection and adjuvant radiation therapy, emphasizing the role of proton therapy in achieving tissue‐sparing treatment and long ...
Bailey H. Duhon   +5 more
wiley   +1 more source

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