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https://www.readbyqxmd.com/read/28521908/differentiating-between-rhinosinusitis-and-mastoiditis-surgery-from-postmortem-medical-training-a-study-of-two-identified-skulls-and-hospital-records-from-early-20th-century-coimbra-portugal
#1
Bruno M Magalhães, Célia Lopes, Ana Luísa Santos
Differentiating between medical procedures performed antemortem, perimortem or postmortem in skeletal remains can be a major challenge. This work aims to present evidence of procedures to treat rhinosinusitis (RS) and mastoiditis, suggest criteria for the diagnosis of frontal sinus disease, and frame the individuals described in their medical historical context. In the International Exchange collection, the skull (878) of a 24-year-old male, who died in 1933 due to frontal sinusitis and meningitis, presents evidence of a trepanation above the right frontonasal suture, and micro/macroporosity on the superciliary arches...
June 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28516487/the-petrosal-and-bony-labyrinth-of-diplobune-minor-an-enigmatic-artiodactyla-from-the-oligocene-of-western-europe
#2
Maeva J Orliac, Ricardo Araújo, Fabrice Lihoreau
Anoplotheriinae are Paleogene European artiodactyls that present a unique postcranial morphology with a tridactyl autopodium and uncommon limb orientation. This peculiar morphology led to various hypotheses regarding anoplotheriine locomotion from semiaquatic to partly arboreal or partly bipedal. The petrosal bone, housing the organs of balance, and hearing, offers complementary information to postcranial morphology on the ecology of this uncommon artiodactyl. Here, we investigate the middle ear and bony labyrinth of the small anoplotheriine Diplobune minor based on four specimens from the Early Oligocene locality of Itardies (Quercy, France)...
May 17, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28514370/-acute-otitis-media-in-a-5-year-old-child-complicated-by-mastoiditis-and-abscess-of-the-temporomandibular-joint
#3
M R Bogomil'sky, M M Polunin, Yu L Soldatsky, A V Timofeeva, A A Polyakov, S A Kul'makov
This article was designed to report a case of otogenic abscess of the temporomandibular joint in a 5 year-old child. The specific feature of this observation is a rare complication of acute otitis media (otogenic abscess of the temporomandibular joint). Of crucial importance for the establishment of the correct diagnosis was the timely evaluation of the state of the temporomandibular bones by means of CT examination.
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28511400/a-case-report-of-a-giant-cholesteatoma
#4
Neelam Sood, Binit Kumar Khandelia, Gitanjali Bugnait
Cholesteatoma is a well demarcated, non-neoplastic, temporal bone cystic lesion with extensive keratinisation. Keratoma and epidermoid cyst are other possibly more accurate names suggested to describe the same. It can be classified as congenital or acquired. Its management is often complicated by its tendency to recidivism/recurrence. Long standing cholesteatomas can be a precursor for squamous cell carcinoma. We hereby present a case of giant cholesteatoma in a 45-year-old female with radiological involvement of the left temporal region, periauricular region and infratemporal fossa with lytic destruction of left middle ear ossicles, mastoid and squamous part of temporal bone with intracranial extension...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508544/a-decision-tree-for-nonmetric-sex-assessment-from-the-skull
#5
Natalie R Langley, Beatrix Dudzik, Alesia Cloutier
This study uses five well-documented cranial nonmetric traits (glabella, mastoid process, mental eminence, supraorbital margin, and nuchal crest) and one additional trait (zygomatic extension) to develop a validated decision tree for sex assessment. The decision tree was built and cross-validated on a sample of 293 U.S. White individuals from the William M. Bass Donated Skeletal Collection. Ordinal scores from the six traits were analyzed using the partition modeling option in JMP Pro 12. A holdout sample of 50 skulls was used to test the model...
May 16, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28498268/transcanal-endoscopic-ear-surgery-for-excision-of-a-facial-nerve-venous-malformation-with-interposition-nerve-grafting-a-case-report
#6
Cameron C Wick, Mark Sakai, Timothy E Richardson, Brandon Isaacson
OBJECTIVE: To illustrate a novel approach for the surgical management of a venous malformation of the facial nerve, including interposition nerve grafting, via an exclusively transcanal endoscopic ear surgery (TEES) approach. PATIENT: Thirty nine-year-old woman with a preoperative House-Brackmann (HB) grade IV facial paresis secondary to a facial nerve tumor. INTERVENTION(S): Surgical excision and interposition nerve graft via a transcanal endoscopic approach...
May 11, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28491885/effects-of-sex-and-event-type-on-head-impact-in-collegiate-soccer
#7
Bryson B Reynolds, James Patrie, Erich J Henry, Howard P Goodkin, Donna K Broshek, Max Wintermark, T Jason Druzgal
BACKGROUND: The effects of head impact in sports are of growing interest for clinicians, scientists, and athletes. Soccer is the most popular sport worldwide, but the burden of head impact in collegiate soccer is still unknown. PURPOSE: To quantify head impact associated with practicing and playing collegiate soccer using wearable accelerometers. STUDY DESIGN: Descriptive epidemiological study. METHODS: Mastoid patch accelerometers were used to quantify head impact in soccer, examining differences in head impact as a function of sex and event type (practice vs game)...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28483246/comparison-of-first-year-of-life-acute-otitis-media-admissions-before-and-after-the-13-valent-pneumococcal-conjugate-vaccine
#8
Tal Marom, Ofer Israel, Haim Gavriel, Jacob Pitaro, Ali Abo Baker, Ephraim Eviatar
BACKGROUND: Acute otitis media (AOM) is a common childhood infection, which is usually managed in the outpatient setting. Yet, the more severe cases are referred for inpatient treatment. We hypothesized that pneumococcal conjugate vaccines (PCVs), administered during the first year of life, would decrease AOM admissions rate in this age group. We studied the characteristics of infants admitted with AOM and acute mastoiditis (AM) in the PCV13 era, routinely given from November 2010 to all infants...
June 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28468135/radiological-imaging-of-rare-intracranial-complications-secondary-to-otitis-media-and-mastoiditis
#9
Gülen Burakgazi, Hanifi Bayaroğullari, Fatma Öztürk, Cengiz Arli, Vicdan Köksaldi Motor, Rasim Yanmaz, Nesrin Atci
Acute otitis media used to cause fatal results because of its intracranial complications before the introduction of potent and effective antibiotics. After the introduction of antibiotics, complications have started to be observed more frequently as a result of chronic otitis media and especially in children. Because clinical findings changed and became indistinct, the diagnosis of otitis and mastoiditis has been made occasionally with imaging findings only after complications occurred. Multidetector computed tomography and magnetic resonance imaging are efficient and sufficient methods in the rapid diagnosis and should be immediately referred methods...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28450827/understanding-the-influences-of-eeg-reference-a-large-scale-brain-network-perspective
#10
Xu Lei, Keren Liao
The influence of reference is a critical issue for the electroencephalography (EEG) and event-related potentials (ERPs) studies. However, previous investigations concentrated less on the location of source at a systematic neuroscience level. Our goal was to examine the EEG signal associated with the locations from a common network parcellation of the human brain function, offering a system perspective of the influence of EEG reference. In our simulation, vertices uniformly distributed in eight large-scale brain networks were adopted to generate the scalp EEG...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28433244/reliability-in-cerebellar-size-assessment-by-2d-cranial-ultrasonography-in-neonates
#11
María Carmen Bravo, Eva Valverde
BACKGROUND: Cerebellar size appears to be correlated with the long-term outcome of preterm infants. Two-dimensional cranial ultrasonography (2D-cUS) is the first-line, routine tool to characterize newborn cerebral structures. Information regarding the accuracy of 2D-cUS for assessing cerebellar size is scarce. OBJECTIVES: To assess the reliability of cerebellar size using 2D-cUS. METHODS: Fifty infants were prospectively scanned for a variety of clinical indications...
April 7, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28431842/significance-of-intraoperative-findings-in-revision-tympanomastoidectomy
#12
Andro Košec, Iva Kelava, Jakov Ajduk, Mihael Ries, Robert Trotić, Vladimir Bedeković
PURPOSE: The study was designed to assess correlations between intraoperative findings in revision tympanomastoidectomy as predictors of cholesteatoma recurrence. MATERIALS AND METHODS: A retrospective single-institution cohort of 101 patients who underwent surgical treatment for recurrent chronic otitis media in a tertiary referral otology centre. RESULTS: Out of 101 patients, 65 had canal wall up and 36 canal wall down revision surgery. There were 35 cholesteatoma recurrences...
April 12, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28431494/surgical-results-of-modified-canal-wall-down-tympanoplasty
#13
Feng-Ming Gu, Fang-Lu Chi
CONCLUSION: Patients with mastoiditis and chronic suppurative otitis media which has small mastoids that make them ideal candidates for modified canal wall down mastoidectomy (MCWD) which contributes to a dry and spacious ear and the maintaining and improving hearing. OBJECTIVES: To evaluate surgical outcomes for chronic otitis media underwent MCWD. METHODS: A clinical retrospective study was performed on 47 ears with chronic otitis media which has relatively limited attic lesions have the small, sclerotic and hypocellular mastoids according to the preoperative high-resolution CT scan of the temporal bone that underwent MCWD and 32 ears with typical canal wall down operation form January 2010 to January 2016...
April 21, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28420248/creating-an-optimal-3d-printed-model-for-temporal-bone-dissection-training
#14
Kuniyuki Takahashi, Yuka Morita, Shinsuke Ohshima, Shuji Izumi, Yamato Kubota, Yutaka Yamamoto, Sugata Takahashi, Arata Horii
OBJECTIVE: Making a 3-dimensional (3D) temporal bone model is simple using a plaster powder bed and an inkjet printer. However, it is difficult to reproduce air-containing spaces and precise middle ear structures. The objective of this study was to overcome these problems and create a temporal bone model that would be useful both as a training tool and for preoperative simulation. METHODS: Drainage holes were made to remove excess materials from air-containing spaces, ossicle ligaments were manually changed to bony structures, and small and/or soft tissue structures were colored differently while designing the 3D models...
April 1, 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28415891/influence-of-two-electrode-montages-on-the-level-specific-ls-ce-chirp-auditory-brainstem-response-abr-at-multiple-intensity-levels
#15
Ahmad Aidil Arafat Dzulkarnain, Siti Hajra Mu'minah Noor Ibrahim, Nur Farah Aida Anuar, Siti Aisyah Abdullah, Tengku Zulaila Hasma Tengku Zam Zam, Sarah Rahmat, Muhammad Amar Mohd Ruzai
OBJECTIVE: To investigate the influence of two different electrode montages (ipsilateral: reference to mastoid and vertical: reference to nape of neck) to the ABR results recorded using a level-specific (LS)-CE-Chirp® in normally hearing subjects at multiple intensities levels. DESIGN: Quasi-experimental and repeated measure study designs were applied in this study. Two different stopping criteria were used, (1) a fixed-signal averaging 4000 sweeps and, (2) a minimum quality indicator of Fmp = 3...
April 18, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28397274/does-incidental-mastoid-opacification-on-computerized-tomography-necessitate-referral-to-ent
#16
Sophie L Wilkinson, Raguwinder S Sahota, James D Constable, Frazer Harper, Owen Judd
OBJECTIVE: The prevalence of incidental temporal bone disease on magnetic resonance imaging has been widely reported in the medical literature. Despite this, there currently is little evidence regarding incidental otological disease on computerized tomography (CT). Thus, the study aimed to review the CT prevalence of asymptomatic adult ear disease and evaluate the appropriateness of ear, nose, and throat (ENT) referral following its discovery. STUDY DESIGN: Retrospective observational study of 468 CT scans...
April 11, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28394781/patterns-of-brain-oscillations-across-different-electrode-montages-in-transcranial-pulsed-current-stimulation
#17
Alejandra C Vasquez, Aurore Thibaut, Leon Morales-Quezada, Jorge Leite, Felipe Fregni
Transcranial pulsed current stimulation (tPCS) is a neuromodulatory technique that has been studied in the last decade. Several parameters have been assessed independently to optimize the effects. Our aim was to explore the effects of tPCS using different montages on cortical brain oscillations indexed by power spectrum and interhemispheric coherence in different electroencephalography frequency bands. Twenty healthy individuals were randomized to receive either active tPCS or sham intervention using the following bilateral montages: ear clip (conventional), ear hook, or mastoid placement...
May 24, 2017: Neuroreport
https://www.readbyqxmd.com/read/28393055/outcome-of-incus-interposition-after-preservation-in-soft-tissue
#18
Mohammad Faramarzi, Sareh Roosta, Mahboobe Dianat
INTRODUCTION: The lenticular process of the incus succumbs to necrosis in chronic otitis media. Few researchers have addressed the issue of autograft incus preservation in the soft tissue of the tragus or mastoid cavity. Nonetheless, preservation of the incus in this method during the second stage of ossiculoplasty is a subject that is still up for debate. This study was carried out to demonstrate the hearing outcome after a modification of the incus interposition technique, which involved preserving it in the periauricular soft tissue...
March 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28391653/clinical-case-series-describes-a-contraindication-for-serenocem-granules-%C3%A2-in-mastoid-obliteration-our-experience-in-sixty-four-patients
#19
Laura Harrison, Sonia Kumar, Matthew Bull, Paul V Hatton, Ian Bottrill, Christopher Aldren
Mastoid obliteration has been performed with various materials including muscle, fat, cartilage, musculoperiosteal flaps, chips and pâté(1) . Biocompatible materials used since the 1960s, have a number of potential advantages over autologous tissue. They are sterile, available off the shelf without the need for harvest and have a low risk of implanting cholesteatoma.
April 9, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28382122/use-of-an-osteoplastic-flap-for-the-prevention-of-mastoidectomy-retroauricular-defects
#20
Ricardo Ferreira Bento, Robinson Koji Tsuji, Anna Carolina de Oliveira Fonseca, Ricardo Dourado Alves
Introduction After mastoidectomy, patients usually complain of bone depressions in the retroauricular region in the surgical site, especially in procedures that require extensive cortical resections. This causes inconveniences such as difficulty wearing glasses, cleaning, and aesthetics complaints. Objective This study aims to describe a vascularized flap surgical technique that uses the mastoid cortical bone adhered to the periosteum, which is pedicled on the anterior portion and repositioned at the end of the surgery...
April 2017: International Archives of Otorhinolaryngology
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