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Improved visualization of the inferior tympanic and mastoid canaliculi with photon counting detector CT.
Am J Otolaryngol
December 2024
Department of Radiology, Mayo Clinic, Rochester, MN, USA.
Purpose: To compare the performance of the photon-counting detector (PCD)-CT versus a state-of-the-art energy-integrating detector (EID)-CT to identify segments of the inferior tympanic canaliculus (Jacobsons nerve) and the mastoid canaliculus (Arnolds nerve).
Materials & Methods: Patients were prospectively recruited to undergo temporal bone CT on both EID-CT (Siemens Somatom Force) and PCD-CT (Siemens NAEOTOM Alpha) scanners under an IRB-approved protocol. Three neuroradiologists reviewed cases by consensus comparing the ability to identify the proximal, mid, and distal segments of the inferior tympanic canaliculus/Jacobsons nerve and mastoid canaliculus/Arnolds nerve on each scanner using 5-point Likert scales (with 1 indicating EID is far superior to PCD, 3 indicating they are equivalent, and 5 indicating PCD is far superior to EID).
Carotid body tumor imaging: MRI, ultrasound, and elastography with surgical management.
Radiol Case Rep
December 2024
Department of Radiodiagnosis, Datta Meghe Institute of Medical Sciences, Sawangi, Wardha, Maharashtra 442001, India.
Article Synopsis
- A carotid body tumor, or paraganglioma, is a rare tumor that usually occurs in the neck and is mostly benign, accounting for only 0.5% of all tumors.
- A case study of a 22-year-old male revealed symptoms like swelling in the neck, hoarseness, and difficulty swallowing, leading to a diagnosis confirmed by ultrasound and MRI.
- The primary treatment for carotid body tumors is surgical removal, and the patient's surgery was guided by the Shamblin classification to assess the tumor's resectability and reduce vascular complications.
Tactics of surgical treatment of recurrent glomus tumors of the skull base: A clinical case.
J Tissue Viability
November 2024
Department of Otolaryngology, Medical University of Warsaw, 02-091, 61 Zwirki i Wigury Str., Warsaw, Poland.
Article Synopsis
- The study aims to improve how doctors perform surgery on patients with a specific illness by preparing better and following the right steps to avoid problems later on.
- Researchers looked closely at two patient cases to learn how to successfully remove tumor-like masses while reducing the chance of the illness coming back.
- The study shows detailed steps of the successful surgery done on one patient and explains the importance of these findings for other doctors dealing with similar cases.
Facial nerve palsy after ethylene vinyl alcohol arterial embolization of glomus tympanicum.
Am J Otolaryngol
August 2024
Department of Otorhinolaryngology-Head and Neck Surgery, University of Maryland, 16 S. Eutaw St. Ste. 500, Baltimore 20201, MD, USA.
Background & Objective: Glomus tympanicum and jugulare tumors are highly vascular and are therefore commonly embolized before surgical resection to prevent intra-operative bleeding. We report a case of facial nerve paralysis after pre-operative embolization for a glomus tympanicum tumor with ethylene vinyl alcohol (EVOH also known as Onyx) embolic agent. We discuss the choice of embolic agent in relation to the risk of this complication and potential management strategies.
View Article and Find Full Text PDFA Rare Differential of Epistaxis.
Cureus
May 2024
Internal Medicine, Piedmont Athens Regional Medical Center, Georgia, USA.
Glomus tympanicum is a type of glomus tumor that affects the middle ear, located at the auricular branch of the vagus nerve. Glomus tumors, in general, are rare, slow-growing tumors and may not require surgery in some patients. It can be challenging to manage due to its hypervascularity, location, and advanced stage of diagnosis.
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