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Three-dimensional digital model of the facial nerve assisted in the excision of benign parotid tumors based on 3D-DESS-WE-MRI.
Sci Rep
December 2024
Department of Stomatology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Henan University People's Hospital, #7 Wei Wu Road, Zhengzhou, 450003, Henan, China.
This study proposes a novel surgical technique for the excision of benign parotid tumors, utilizing a extracapsular dissection guided by a three dimensional digital model of the facial nerve(3DFN-ECD) and compares its clinical efficacy with the extracapsular dissection (ECD) method. This prospective study included 68 patients with benign parotid tumors. The control group (40 patients) received the ECD treatment, while the experimental group (28 patients), underwent the 3DFN-ECD approach proposed in this study.
View Article and Find Full Text PDFPhotonic platform coupled with machine learning algorithms to detect pyrolysis products of crack cocaine in saliva: A proof-of-concept animal study.
Spectrochim Acta A Mol Biomol Spectrosc
December 2024
Innovation Center in Salivary Diagnostics and Nanobiotechnology, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia (UFU), Uberlandia, MG, Brazil. Electronic address:
The non-invasive detection of crack/cocaine and other bioactive compounds from its pyrolysis in saliva can provide an alternative for drug analysis in forensic toxicology. Therefore, a highly sensitive, fast, reagent-free, and sustainable approach with a non-invasive specimen is relevant in public health. In this animal model study, we evaluated the effects of exposure to smoke crack cocaine on salivary flow, salivary gland weight, and salivary composition using Attenuated total reflection-Fourier transform infrared (ATR-FTIR) spectroscopy.
View Article and Find Full Text PDFPhotodynamic Therapy as a Future Method in the Treatment of Parotid Gland Tumor: A Review.
Discov Med
December 2024
Department of Biochemistry and General Chemistry, Medical College of the University of Rzeszów, 35-959 Rzeszów, Poland.
Photodynamic therapy (PDT) is emerging as a promising treatment for many diseases. This non-invasive approach uses photosensitizing agents and light to selectively destroy abnormal cells, providing a valuable alternative to traditional treatments. Scientists are investigating the use of PDT in various areas of the head, and their work is focused on a growing number of new discoveries and methods for treating cancer.
View Article and Find Full Text PDFDiagnostic Values of Fine Needle Aspiration Cytology and Frozen Section in Management of Parotid Tumors.
Ear Nose Throat J
December 2024
Department of Otolaryngology-Head and Neck Surgery, Bursa Uludag University, Faculty of Medicine, Bursa, Turkey.
This study aims to investigate the diagnostic values of fine needle aspiration cytology (FNAC) and frozen section (FS) in evaluating parotid gland masses subjected to parotidectomy. A retrospective analysis of data from 274 patients who underwent parotidectomy for parotid gland masses was performed at the Department of Otolaryngology of the University Hospital between 2013 and 2019. We compared the preoperative FNAC and intraoperative FS records with the definitive histopathological diagnoses obtained from the surgical resection specimens.
View Article and Find Full Text PDFImpact of annotation imperfections and auto-curation for deep learning-based organ-at-risk segmentation.
Phys Imaging Radiat Oncol
October 2024
Amsterdam UMC location Vrije Universiteit Amsterdam, Department of Radiation Oncology, De Boelelaan 1117, Amsterdam, the Netherlands.
Background And Purpose: Segmentation imperfections (noise) in radiotherapy organ-at-risk segmentation naturally arise from specialist experience and image quality. Using clinical contours can result in sub-optimal convolutional neural network (CNN) training and performance, but manual curation is costly. We address the impact of simulated and clinical segmentation noise on CNN parotid gland (PG) segmentation performance and provide proof-of-concept for an easily implemented auto-curation countermeasure.
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