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Diagnosis of rare signet-ring cell carcinoma of bile duct by endoscopic ultrasonography combined with a peroral direct cholangioscopy biopsy.
Rev Esp Enferm Dig
January 2025
Biliopancreatic Endoscopic Surgery, The Second Hospital of Hebei Medical University, .
Biliary signet-ring cell carcinoma is a rare malignant tumor of the biliary tract. signet-ring cell carcinoma often occurs in the gastrointestinal tract. In this case, we can intuitively see the location, shape and scope of the tumor through endoscopic ultrasonography (EUS) combined with a peroral direct choledochoscope.
View Article and Find Full Text PDFNeurons with larval synaptic targets pioneer the later nervous system in the annelid .
Front Neurosci
January 2025
Michael Sars Centre, University of Bergen, Bergen, Norway.
Comparative studies on the development of nervous systems have a significant impact on understanding animal nervous system evolution. Nevertheless, an important question is to what degree neuronal structures, which play an important role in early stages, become part of the adult nervous system or are relevant for its formation. This is likely in many direct developers, but it is not the case in forms with catastrophic metamorphosis.
View Article and Find Full Text PDFPeriacetabular metastases: Proposed extension of the Harrington classification.
J Orthop
August 2025
Department of Orthopaedic Surgery, Hospital Clínico San Carlos, Spanish National Reference Center for Musculoskeletal Oncological Surgery, Calle Del Prof Martín Lagos, S/N, Moncloa, 28040, Madrid, Spain.
Objectives: To describe the functional outcomes, complications, and reconstruction types in patients with periacetabular metastases and to propose an extension of the Harrington classification.
Methods: Twenty-eight patients (13 males, 15 females) with a mean age of 63.8 ± 15.
Re-sheathing failure with Navitor during transcatheter aortic valve implantation: a case report.
Eur Heart J Case Rep
January 2025
The Second Department of Internal Medicine, University of Toyama, 2630 Sugitani, Toyama, Toyama 930-0194, Japan.
Background: Self-expanding valves used in transcatheter aortic valve implantation (TAVI) are designed to allow recapture and repositioning, facilitating optimal placement and mitigating conduction disturbances and paravalvular leakage. Here, we present a rare case in which the Navitor (Abbott Structural Heart, Santa Clara, CA, USA) could not be recaptured.
Case Summary: An 81-year-old Japanese woman with very severe aortic stenosis and a massively calcified nodule at the non-coronary cusp (NCC) underwent TAVI with a 25 mm Navitor valve.
spondylitis in an immunocompetent patient with annular high signal around the intervertebral disks: a case report and literature review.
Front Med (Lausanne)
January 2025
Department of Hepatobiliary Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
spondylitis is a rare fungal infection, primarily occurring in immunocompromised patients, although cases in immunocompetent individuals have also been reported. While is commonly associated with pulmonary infections, it can also cause spondylitis. Patients typically present with back pain, limb numbness, and neurological compression symptoms.
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