keyword
https://read.qxmd.com/read/38511767/temporal-evolution-of-postsurgical-bone-repair-in-a-rabbit-model-a-99mtc-tc-mdp-scintigraphic-study
#21
JOURNAL ARTICLE
A Yoneda, K J C C de Lacerda, L Alexandre-Santos, E N Itikawa, P Louzada-Junior, L Wichert-Ana
Bone regeneration is crucial for repairing bone tissue following various injuries. Research techniques that enable the study of metabolic changes in bone tissue under different conditions are important for understanding bone repair and remodeling. This study used bone scintigraphy to evaluate osteogenesis secondary to osteotomy in a preclinical model of New Zealand rabbits. For this purpose, we conducted a longitudinal, prospective, case-control study in which scintigraphic variables were measured in both the right forearm (case-operated) and the left forearm (control - non-operated)...
2024: Brazilian Journal of Medical and Biological Research
https://read.qxmd.com/read/38507628/diagnostic-and-imaging-findings-in-inflammatory-opacifications-of-the-middle-ear-a-review-of-the-literature
#22
JOURNAL ARTICLE
Ali Mahdavi
Opacification in the middle ear and mastoid region can stem from a wide range of factors. In terms of diagnostic imaging, CT is the primary tool due to its exceptional spatial resolution, particularly for examining the temporal bone and ossicles. MRI complements this by offering detailed soft tissue lesion characterization and assessing involvement in the inner ear and cranial nerves. This study focuses on inflammatory causes of opacification in the middle ear and mastoid, with an emphasis on the utility of CT and MRI...
March 18, 2024: International Tinnitus Journal
https://read.qxmd.com/read/38507626/does-the-location-of-a-small-tympanic-membrane-perforation-affect-the-degree-of-hearing-loss-in-adult-patients-with-inactive-mucosal-chronic-suppurative-otitis-media
#23
JOURNAL ARTICLE
Ahmed Muhei Rasheed
BACKGROUND: Tympanic membrane perforation due to inactive mucosal chronic suppurative otitis media is a common problem in otolaryngology, with consequent conductive hearing loss. Still, there is controversy about the relationship between the location of the tympanic membrane perforation and the degree of hearing impairment. AIM OF THE STUDY: To assess the correlation between the location of a small tympanic membrane perforation and the degree of conductive hearing loss in adult patients with inactive mucosal chronic suppurative otitis media...
March 21, 2024: International Tinnitus Journal
https://read.qxmd.com/read/38506422/sebaceous-carcinoma-of-the-middle-ear-a-case-report
#24
Michael S Castle, Shalini Shah, Rachel E Roditi, Margaret L Compton, Ellen J Giampoli, Paul O Dutcher
Here we present the first case of sebaceous carcinoma of the middle ear. We discuss the treatment course and post treatment results after 11 years of follow up. We further summarize the available literature of sebaceous carcinoma of the temporal bone, which prior to this case was exclusively limited to the external auditory canal. Laryngoscope, 2024.
March 20, 2024: Laryngoscope
https://read.qxmd.com/read/38506383/investigation-of-fatal-traumatic-head-injuries
#25
JOURNAL ARTICLE
Kerem Sehlikoğlu, Abdurrahim Türkoğlu, Turgay Bork, Muhammet Batbaş
BACKGROUND: Traumatic head injuries (THIs) are one of the major causes of death in forensic cases. The aim of this study was to investigate the characteristics of patients with fatal THIs. METHODS: In this study, a total of 311 patients with fatal THIs, who underwent postmortem examinations and/or autopsies, were retrospectively analyzed. Cases were evaluated based on sex, age group, incident origin, cause of the incident, presence of skull fracture, type of fractured bone (if any), fracture localization and pattern, presence and type of intracranial lesion (if any), and cause of death...
March 2024: Turkish Journal of Trauma & Emergency Surgery: TJTES
https://read.qxmd.com/read/38506023/-clinical-case-of-tuberculous-otitis-media-in-early-childhood
#26
JOURNAL ARTICLE
A Yu Ivoylov, M M Polunin, N A Mileshina, S S Osipenkov, A N Radtsig
Nowadays, the incidence of tuberculosis remains high all over the world, despite the vaccination, medical support, social policy. The main reasons for this are the high level of migration, the prevalence of bad habits, the prevalence of immunodeficiency conditions, the formation of resistance to antimicrobial drugs, the tendency to refuse vaccination. At the same time, great difficulties arise in the diagnosis of extrapulmonary forms of infection. The purpose of this publication is to remind about the peculiarities of the course and diagnosis of tuberculous otitis media...
2024: Vestnik Otorinolaringologii
https://read.qxmd.com/read/38502335/disability-adjusted-life-years-from-bone-and-joint-infections-associated-with-antimicrobial-resistance-an-insight-from-the-2019-global-burden-of-disease-study
#27
JOURNAL ARTICLE
Kai-Uwe Lewandrowski, Roberto Carlos Lyra da Silva, John C Elfar, Abduljabbar Alhammoud, Isam Sami Moghamis, Bendenikt W Burkhardt, Joachim M Oertel, Stefan Landgraeber, Rossano Kepler Alvim Fiorelli, Paulo Sérgio Teixeira de Carvalho, Ivo Abraham, Jorge Felipe Ramírez León, Ernesto Martinez, Morgan P Lorio
PURPOSE: Bone and joint infections, complicated by the burgeoning challenge of antimicrobial resistance (AMR), pose significant public health threats by amplifying the disease burden globally. We leveraged results from the 2019 Global Burden of Disease Study (GBD) to explore the impact of AMR attributed to bone and joint infections in terms of disability-adjusted life years (DALYs), elucidating the contemporary status and temporal trends. METHODS: Utilizing GBD 2019 data, we summarized the burden of bone and joint infections attributed to AMR across 195 countries and territories in the 30 years from 1990 to 2019...
March 19, 2024: International Orthopaedics
https://read.qxmd.com/read/38500948/endoscope-assisted-cochlear-implantation-in-atretic-round-window
#28
Muhammad Syafiq H Musa, Khairunnisak Misron, Noor Dina Hashim, Tengku Mohamed Izam Tengku Kamalden
Different techniques have been proposed for cochlear implant (CI) from its conventional transmastoid posterior tympanotomy approach. Endoscopy role in the otologic field is still relatively new, but it provides a better surgical view with improved image clarity, especially in the challenging anatomical visualization of the critical structures in CI surgery. A 3-year-old girl with bilateral progressive profound hearing loss was scheduled for left cochlear implant surgery. The pre-operative high-resolution computed tomography (HRCT) of the temporal bone and magnetic resonance (MR) of internal acoustic meatus reported no significant abnormality of the middle and inner ears structures bilaterally...
February 2024: Curēus
https://read.qxmd.com/read/38495182/development-and-validation-of-a-surgical-planning-tool-for-bone-conduction-implants
#29
JOURNAL ARTICLE
Evan S Simpson, Carlos D Salgado, Seyed Alireza Rohani, Sumit K Agrawal, Hanif M Ladak
BACKGROUND: The BONEBRIDGE® (Med-El GmbH) is a bone-conduction device comprising an external audio processor and an internal Bone Conduction-Floating Mass Transducer (BC-FMT) surgically anchored to the temporal bone. Due to the implant's size, its placement may be challenging in certain anatomies, necessitating thorough surgical planning. Manual planning methods are laborious, time-intensive, and prone to errors. This study aimed to develop and validate an automated algorithm for determining skull thickness, aiding in the surgical planning of the BONEBRIDGE and other devices requiring similar bone thickness estimations...
March 15, 2024: Heliyon
https://read.qxmd.com/read/38494859/moving-beyond-the-temporal-bone-lab-creating-a-drilling-station-in-the-otolaryngology-clinic
#30
JOURNAL ARTICLE
Monika E Freiser, Christian Morill, Bradley Eichar, Khalil Baddour, Noel Jabbour
With the advent of operable 3-dimensional (3D)-printed models, case preparation could occur outside of the cadaveric laboratory. The objective of this study was to design a mobile drilling station that can be used for surgical practice in a variety of clean workplaces. Using materials obtained from hardware stores and online retailers, a wheelable drilling station was constructed to mimic laboratory conditions while also being easily maneuverable into clinic rooms. The station houses the otologic drill, suction, and irrigation mechanisms, is height adjustable, and has a shielded workspace...
March 17, 2024: Otolaryngology—Head and Neck Surgery
https://read.qxmd.com/read/38492307/the-variations-of-osseous-structure-of-the-%C3%A4-nternal-acoustic-canal-an-anatomical-study
#31
JOURNAL ARTICLE
Elif Sarı, Gkionoul Nteli Chatzioglou, Dastan Temirbekov, Aynur Aliyeva, Adnan Öztürk, Ilke Ali Gürses
OBJECTIVES: The internal acoustic meatus is an osseous canal that connects the inner ear to the posterior cranial fossa. It is located in the petrous portion of the temporal bone. A thin cribriform osseous plate known as the fundus is situated at the lateral end of the canal. This study assesses the structural and numerical variations of the fundus formations. METHODS: Fifty-four temporal bones of unknown gender and age were examined with the surgical microscope...
March 5, 2024: Brazilian Journal of Otorhinolaryngology
https://read.qxmd.com/read/38491865/creation-of-a-prototype-cochlear-training-model
#32
JOURNAL ARTICLE
Ishwor Gautam, Avi Shaw, Dhiren Brickman, Ajay Mahajan, Anita Jeyakumar
OBJECTIVE: Creation of a novel 3D-printed physical cochlear model that demonstrated the feasibility of creating the model, and impact of a Graphical User Interface (GUI) system on training insertion metrics. STUDY DESIGN: Feasibility study with a pilot prospective data collection. SETTING: Tertiary academic center. METHODS: The study was IRB exempt. Five resident trainees (PGY1-PGY5) practiced electrode insertions in cadaveric temporal bones before using the simulator...
March 16, 2024: Annals of Otology, Rhinology, and Laryngology
https://read.qxmd.com/read/38489748/navigating-pubertal-goldilocks-the-optimal-pace-for-hierarchical-brain-organization
#33
JOURNAL ARTICLE
Hanna Szakács, Murat Can Mutlu, Giulio Balestrieri, Ferenc Gombos, Jochen Braun, Morten L Kringelbach, Gustavo Deco, Ilona Kovács
Adolescence is a timed process with an onset, tempo, and duration. Nevertheless, the temporal dimension, especially the pace of maturation, remains an insufficiently studied aspect of developmental progression. The primary objective is to estimate the precise influence of pubertal maturational tempo on the configuration of associative brain regions. To this end, the connection between maturational stages and the level of hierarchical organization of large-scale brain networks in 12-13-year-old females is analyzed...
March 15, 2024: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://read.qxmd.com/read/38484966/-sandwich-structure-in-reconstruction-of-traumatic-comminuted-anterior-skull-base-fractures-surgical-technique-and-outcomes
#34
JOURNAL ARTICLE
Yu Wang, Jiahai Ding, Xiaoya Huang, Shao Xie
PURPOSE: Comminuted fractures of the anterior skull base can easily cause dural damage, leading to cerebrospinal fluid leakage and retrograde infection. Skull base reconstruction is essential. This study aimed to present a novel and simple technique for repairing skull base defects using a self-made fascia-bone fragments-fascia "sandwich" structure made by fascia, fracture fragments, and sutures. METHOD: From 2018 to 2023, we performed self-made sandwich structures for skull reconstruction in 10 patients with anterior skull base comminuted fractures...
March 12, 2024: World Neurosurgery
https://read.qxmd.com/read/38483833/imaging-of-nontraumatic-temporal-bone-emergencies-keys-to-diagnosis
#35
JOURNAL ARTICLE
Rafael Maffei Loureiro, Rodrigo Marques Carneiro, Daniel Vaccaro Sumi, Regina Lucia Elia Gomes, Mohit Agarwal, Gul Moonis, Carolina Ribeiro Soares
No abstract text is available yet for this article.
April 2024: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://read.qxmd.com/read/38480594/anatomy-of-the-temporal-region-to-guide-filler-injections
#36
REVIEW
Soo-Bin Kim, Hyewon Hu, Hyungkyu Bae, Kyu-Ho Yi
Hollow temples are not typically considered aesthetically pleasing, and hollowness worsens with the aging process. When filling this region with fillers, there are several anatomical considerations, with injection techniques varying depending on the layer targeted. Specifically, injections between the superficial temporal fascia and the superficial layer of the deep temporal fascia are performed using a cannula, while periosteal layer injections involve the use of a needle to reach the bone before inserting fillers...
March 13, 2024: Surgical and Radiologic Anatomy: SRA
https://read.qxmd.com/read/38479363/development-of-an-algorithm-for-correct-placement-of-the-basal-electrode-contact-in-the-context-of-anatomy-based-cochlear-implantation-a-proof-of-concept
#37
JOURNAL ARTICLE
Bjoern Spahn, Johannes Voelker, Franz-Tassilo Müller-Graff, Jonas Engert, Daniel Bauer, Anja Kurz, Rudolf Hagen, Tilmann Neun, Simon Zabler, Kristen Rak
BACKGROUND: Correct individual tonotopic frequency stimulation of the cochlea plays an important role in the further development of anatomy based cochlear implantation. In this context frequency specific fitting of the basal electrode contact with a normal insertion depth can be difficult since it is often placed in a frequency range higher than 10 kHz and current audio processors only stimulate for frequencies up to 8.5 kHz due to microphone characteristics. This results in a mismatch of the high frequencies...
March 13, 2024: Audiology & Neuro-otology
https://read.qxmd.com/read/38478413/a-new-methodology-for-evaluation-of-large-vestibular-aqueduct-in-ct-and-mri-images
#38
JOURNAL ARTICLE
Jurgita Ivanauskaite, Justina Ivanauskaite, Farnaz Matin-Mann, Anja Maria Giesemann, Thomas Lenarz, Anke Lesinski-Schiedat
HYPOTHESIS: Development of a new method for large vestibular aqueduct (LVA)/large endolymphatic sac anomaly (LESA) assessment using magnetic resonance imaging (MRI) and computed tomography (CT)/cone beam CT (CBCT) images. The secondary objective was to compare both modalities. BACKGROUND: The gold standard for LVA diagnosis is the analysis of CT images using Valvassori and Clemis or Cincinnati criteria. The previous studies showed inconclusive results regarding the correlation between audiological and radiological data...
April 1, 2024: Otology & Neurotology
https://read.qxmd.com/read/38478412/challenges-in-the-management-of-symptomatic-fallopian-canal-meningoceles-a-multicenter-case-series-and-literature-review
#39
REVIEW
Peter Filip, Harry Chiang, Allison Goldberg, Azita S Khorsandi, Gul Moonis, Stephanie A Moody Antonio, George Wanna, Maura Cosetti
OBJECTIVE: To describe the presentations, the diagnosis, our treatment approaches, and the outcomes for 11 patients with fallopian canal meningocele (FCM). STUDY DESIGN MULTICENTER: Retrospective case series. SETTING: Tertiary referral centers. PATIENTS: Patients (N = 11) with radiographically or intraoperatively identified, symptomatic FCM. INTERVENTIONS: Surgical repair of cerebrospinal fluid (CSF) leak and meningocele versus observation...
April 1, 2024: Otology & Neurotology
https://read.qxmd.com/read/38477789/temporal-patterns-of-osteoclast-formation-and-activity-following-withdrawal-of-rankl-inhibition
#40
JOURNAL ARTICLE
Albert S Kim, Victoria E Taylor, Ariel Castro-Martinez, Suraj Dhakal, Amjad Zamerli, Sindhu Mohanty, Ya Xiao, Marija K Simic, Jinchen Wen, Ryan Chai, Peter I Croucher, Jacqueline R Center, Christian M Girgis, Michelle M McDonald
Rebound bone loss following denosumab discontinuation is an important clinical challenge. Current treatment strategies to prevent this fail to suppress the rise and overshoot in osteoclast-mediated bone resorption. In this present study, we use a murine model of denosumab treatment and discontinuation to show the temporal changes in osteoclast formation and activity during RANKL inhibition and withdrawal. We show that the cellular processes that drive the formation of osteoclasts and subsequent bone resorption following withdrawal of RANKL inhibition precede the rebound bone loss...
February 4, 2024: Journal of Bone and Mineral Research
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