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Keywords = transoral ultrasonography

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14 pages, 5449 KB  
Study Protocol
Comparison of Transoral and Transcervical Ultrasonography with MRI for the Diagnostic Work-Up of Oropharynx Tumors: A Protocol for a Multicenter Clinical Trial (SPOTUS)
by Martin Garset-Zamani, Gitte Bjørn Hvilsom, Thomas Kjærgaard, Christina Caroline Plaschke, Christoffer Holst Hahn, Mikkel Kaltoft, Padraig O’Leary, Natalie Lassen Frid, Rikke Norling, Danijela Dejanovic, Johanna Maria Hall, Tina Klitmøller Agander, Signe Bergliot Nielsen, Annette Kjær Ersbøll, Irene Wessel, Christian von Buchwald and Tobias Todsen
Diagnostics 2024, 14(6), 577; https://doi.org/10.3390/diagnostics14060577 - 8 Mar 2024
Cited by 4 | Viewed by 2647
Abstract
This study protocol for a prospective, multicenter, diagnostic, clinical trial describes the integration of transoral and transcervical ultrasonography (US) in the initial clinical work-up of patients referred to tertiary head and neck cancer centers with suspected oropharyngeal cancer. The study evaluates the blinded [...] Read more.
This study protocol for a prospective, multicenter, diagnostic, clinical trial describes the integration of transoral and transcervical ultrasonography (US) in the initial clinical work-up of patients referred to tertiary head and neck cancer centers with suspected oropharyngeal cancer. The study evaluates the blinded detection rate of oropharyngeal tumors and their US-estimated size and T-stage before histopathology and cross-sectional imaging are available. Magnetic resonance imaging (MRI) scans will be prospectively rated while blinded to T-site histopathology and US. The primary outcome measures of diagnostic accuracy, including sensitivity, specificity, positive and negative predictive values, and overall accuracy, will be reported for both US and MRI. A sub-analysis of prospectively rated 18F-Fluorodeoxyglucose (FDG) positron emission tomography/computerized tomography (PET/CT) scans in patients with clinically suspected unknown primary tumors will also be compared to US and MRI. Secondary outcome measures, including a comparison of tumor size estimation between US, MRI, and CT, will also be reported. This prospective multicenter study will provide clinically impactful information regarding the use of transoral and transcervical US for the diagnostic work-up of oropharyngeal cancer. Full article
(This article belongs to the Special Issue Advances in Oral Imaging)
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8 pages, 3480 KB  
Case Report
Surgical Treatment of a Retropharyngeal Abscess in a Japanese Black Cow
by Shoichi Okada, Kim Sueun, Ryosuke Ichikado, Kohei Kuroda, Yoshiyuki Inoue, Yoshiki Nakama, Hiroyuki Satoh and Reiichiro Sato
Vet. Sci. 2022, 9(8), 446; https://doi.org/10.3390/vetsci9080446 - 20 Aug 2022
Viewed by 5517
Abstract
A 17-month-old Japanese Black cow presented with inappetence, wheezing, dysphagia, and drooling. Radiography and ultrasonography revealed an oval, dorsal, pharyngeal mass, with an internal horizontal line demarcating the radiolucent area from the radio-opaque area. Upper airway endoscopy revealed pus-like deposits in the dorsal [...] Read more.
A 17-month-old Japanese Black cow presented with inappetence, wheezing, dysphagia, and drooling. Radiography and ultrasonography revealed an oval, dorsal, pharyngeal mass, with an internal horizontal line demarcating the radiolucent area from the radio-opaque area. Upper airway endoscopy revealed pus-like deposits in the dorsal nasal passage, hyperemia, and edema in the dorsal pharynx, leading to swelling and airway obstruction. Manual palpation, after sedation, revealed a thickened mass surface, which was difficult to rupture with manual pressure. After inserting a linear sonographic probe through the mouth to establish the vascularity surrounding the mass and to identify a relatively thin-walled area, a trocar was pierced into the mass under endoscopic guidance, and the opening was enlarged manually. The mass was filled with stale pus-like material, which was removed manually. The abscess cavity was washed using saline and povidone–iodine. Day 1 post-surgery, dysphagia and wheezing disappeared. Day 16 post-surgery, endoscopy showed significant improvement in the airway patency. One year postoperatively, the owner reported that the cow had an uneventful recovery. For deep abscesses, such as bovine pharyngeal abscesses, it is important to perform a preoperative transoral Doppler ultrasonography to assess the vascularity and thickness of the abscess wall for safe trocar insertion and abscess drainage. Full article
(This article belongs to the Special Issue Diagnostic Imaging of Head and Neck in Ruminants)
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6 pages, 6293 KB  
Case Report
Ultrasound-Guided Needle Aspiration of Peritonsillar Abscesses: Utility of Transoral Pharyngeal Ultrasonography
by Yuta Hagiwara, Yoshimitsu Saito, Hana Ogura, Yuichiro Yaguchi, Takahiro Shimizu and Yasuhiro Hasegawa
Diagnostics 2019, 9(4), 141; https://doi.org/10.3390/diagnostics9040141 - 5 Oct 2019
Cited by 10 | Viewed by 7214
Abstract
A peritonsillar abscess is a common deep infection that is usually related to acute tonsillitis. Needle aspiration is often performed for diagnosis and treatment, but several complications, including puncture of the carotid artery, may occur, even when performed by properly trained physicians. The [...] Read more.
A peritonsillar abscess is a common deep infection that is usually related to acute tonsillitis. Needle aspiration is often performed for diagnosis and treatment, but several complications, including puncture of the carotid artery, may occur, even when performed by properly trained physicians. The utility of transoral pharyngeal ultrasonography (TOPU) equipped with a biopsy adaptor for safe and full aspiration is presented. A 19-year-old man was admitted to our hospital because of a peritonsillar abscess. TOPU showed the abscess and a branch of the carotid artery, and an otolaryngologist performed puncture through the biopsy adaptor with the aid of the ultrasound image. Needle aspiration was accomplished by avoiding arterial puncture and monitoring the shrinkage of the abscess. TOPU-guided needle aspiration is useful in the safe drainage of peritonsillar abscesses. Full article
(This article belongs to the Special Issue Ultrasound Imaging in Medicine 2019)
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