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An autopsy case of TFE3-rearranged PEComa-like neoplasm with systematic embolization involving the heart.
Cardiovasc Pathol
January 2025
Department of Pathology and Applied Neurobiology, Kyoto Prefectural University of Medicine, Japan. Electronic address:
A rare autopsy case of malignant transcription factor E3 (TFE3)-rearranged perivascular epithelioid cell tumor (PEComa)-like neoplasm is presented. An 84-year-old woman manifested multiple cerebral infarctions and repetitive embolic events in the supra mesenchymal artery (SMA), and the presence of a mobile mass in the heart's left ventricle was also revealed. Tumoral lesions were also found in a pelvic space and a right pleural cavity, and a biopsy was performed from one of the disseminated tumor masses in the right pleura.
View Article and Find Full Text PDFAggregatibacter aphrophilus-associated Sphenoid Sinusitis Causing Orbital Cellulitis, Meningitis, and Venous Sinus Thrombosis.
Intern Med
September 2024
Department of Neurology, Nagano Red Cross Hospital, Japan.
Article Synopsis
- * MRI findings indicated problems like eye proptosis, fluid buildup, and blood clots in multiple brain areas.
- * Blood tests confirmed an infection with Aggregatibacter aphrophilus, and the patient improved significantly after receiving antibiotics, blood thinners, and surgery for sinus drainage.
Anatomical Features of the Ventricular System Relevant to Endoscopic Surgery for Hydrocephalus.
Adv Tech Stand Neurosurg
September 2024
Department of Neurosurgery, Niigata Medical Center, Niigata, Japan.
In endoscopic surgery for hydrocephalus and associated intraventricular lesions, a thorough understanding of the required microsurgical anatomy is paramount. Endoscopic procedures in hydrocephalus treatment typically fall into two categories: ventriculocisternostomy and ventriculostomy for obstructive hydrocephalus. In the former, precise knowledge of intraventricular structures, such as the configuration of the ventricles and the path of internal vessels within them, is essential.
View Article and Find Full Text PDFBeat-by-Beat Estimation of Hemodynamic Parameters in Left Ventricle Based on Phonocardiogram and Photoplethysmography Signals Using a Deep Learning Model: Preliminary Study.
Bioengineering (Basel)
August 2024
School of Biomedical Engineering, Dalian University of Technology, Dalian 116024, China.
Beat-by-beat monitoring of hemodynamic parameters in the left ventricle contributes to the early diagnosis and treatment of heart failure, valvular heart disease, and other cardiovascular diseases. Current accurate measurement methods for ventricular hemodynamic parameters are inconvenient for monitoring hemodynamic indexes in daily life. The objective of this study is to propose a method for estimating intraventricular hemodynamic parameters in a beat-to-beat style based on non-invasive PCG (phonocardiogram) and PPG (photoplethysmography) signals.
View Article and Find Full Text PDFRecently, augmenting the pulsation of the internal cerebral vein (ICV) has been reported to be a predictor of premature intraventricular hemorrhage (IVH); however, prophylaxis for IVH has not yet been established. Venous pulsation is a marker of central venous pressure elevation and may be improved after heart failure treatment. Herein, we report two cases of low-birth-weight infants (29 weeks and 31 weeks of gestational age), who exhibited improvements in ICV pulsation with relief of hemodynamically significant patent ductus arteriosus (hs-PDA) following indomethacin administration.
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