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Temporal bone fracture

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https://www.readbyqxmd.com/read/28320600/tympanometry-and-isolated-fracture-of-the-stapes
#1
C Aussedat, C Bobiller, K Gaillot, E Lescanne, D Bakhos
INTRODUCTION: Temporal bone fractures are frequently associated with ossicular dislocations or fractures, most commonly involving the incus. To our knowledge, isolated fracture of the posterior crus of the stapes has not been previously reported. CASE REPORT: A 20-year-old man consulted for persistent left hypoacusis several months after a head injury. Initial computed tomography of the temporal bone showed a simple temporal bone fracture with no other associated abnormalities...
March 17, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28314420/sport-injuries-of-the-ear-and-temporal-bone
#2
REVIEW
L Mariel Osetinsky, Grant S Hamilton, Matthew L Carlson
In cases of head trauma, the ear should be evaluated in all of its components. A good understanding of otologic and skull base anatomy enables a thorough trauma assessment of this complex anatomic region. Auricular laceration, abrasion, avulsion, hematoma, frostbite, otitis externa, exostosis, tympanic membrane perforation, ossicular discontinuity, perilymphatic fistula, labyrinthine concussion, temporal bone fracture, facial nerve paresis, and sensorineural hearing loss are a few of the more common otologic injuries seen in active patients...
April 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28298577/trauma-imaging-a-literature-review
#3
Jason Heath Vela, Christopher Ira Wertz, Kimberly L Onstott, Joss R Wertz
PURPOSE: To inform radiologic technologists about which imaging modalities and examinations are best suited for evaluating specific anatomical structures in patients who have sustained a traumatic injury. METHODS: Two scholarly research databases were searched to identify articles focused on trauma imaging of the head, cervical spine, thorax, abdomen, and pelvis. Articles focused on trauma diagnosis were excluded. Thirty-two articles were selected for analysis. DISCUSSION: Physical examination and plain-film radiographs typically are used to assess nasal bone fracures...
January 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28216124/the-pattern-and-degree-of-capsular-fibrous-sheaths-surrounding-cochlear-electrode-arrays
#4
Reuven Ishai, Barbara S Herrmann, Joseph B Nadol, Alicia M Quesnel
An inflammatory tissue reaction around the electrode array of a cochlear implant (CI) is common, in particular at the electrode insertion region (cochleostomy) where mechanical trauma often occurs. However, the factors determining the amount and causes of fibrous reaction surrounding the stimulating electrode, especially medially near the perimodiolar location, are unclear. Temporal bone (TB) specimens from patients who had undergone cochlear implantation during life with either Advanced Bionics (AB) Clarion (TM) or HiRes90K(TM) (Sylmar, CA, USA) devices that have a half-band and a pre-curved electrode, or Cochlear (TM) Nucleus (Sydney, Australia) device that have a full-band and a straight electrode were evaluated...
February 16, 2017: Hearing Research
https://www.readbyqxmd.com/read/28215222/nf-%C3%AE%C2%BAb-as-a-therapeutic-target-in-inflammatory-associated-bone-diseases
#5
T-H Lin, J Pajarinen, L Lu, A Nabeshima, L A Cordova, Z Yao, S B Goodman
Inflammation is a defensive mechanism for pathogen clearance and maintaining tissue homeostasis. In the skeletal system, inflammation is closely associated with many bone disorders including fractures, nonunions, periprosthetic osteolysis (bone loss around orthopedic implants), and osteoporosis. Acute inflammation is a critical step for proper bone-healing and bone-remodeling processes. On the other hand, chronic inflammation with excessive proinflammatory cytokines disrupts the balance of skeletal homeostasis involving osteoblastic (bone formation) and osteoclastic (bone resorption) activities...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28124635/clinical-features-and-radiological-evaluation-of-otic-capsule-sparing-temporal-bone-fractures
#6
S W Song, B C Jun, H Kim
OBJECTIVE: To evaluate the clinical and radiological aspects of otic capsule sparing temporal bone fractures. METHODS: Using medical records, 188 temporal bones of 173 patients with otic capsule sparing temporal bone fractures were evaluated. Otoscopic findings and symptoms, facial paralysis, and hearing loss were assessed. RESULTS: Using regional analysis, 7 fractures were classified as type I, 85 as type II, 169 as type III and 114 as type IV...
March 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28120741/impact-of-age-on-human-adipose-stem-cells-for-bone-tissue-engineering
#7
Denis Dufrane
Bone non-union is a pathological condition in which all bone healing processes have stopped, resulting in abnormal mobility between two bone segments. The incidence of bone-related injuries will increase in an aging population, leading to such injuries reaching epidemic proportions. Tissue engineering and cell therapy using mesenchymal stem cells (MSCs) have raised the possibility of implanting living tissue for bone reconstruction. Bone marrow was first proposed as the source of stem cells for bone regeneration...
January 24, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28114180/is-serial-electroneuronography-indicated-following-temporal-bone-trauma
#8
Aaron Kyle Remenschneider, Suzanne Michalak, Elliott D Kozin, Samuel Barber, Ronald K De Venecia, Tessa A Hadlock, David H Jung
OBJECTIVE: Contemporary guidelines advise facial nerve (FN) decompression within 2 weeks of temporal bone trauma if a single electroneuronography (ENoG) demonstrates more than 90% degeneration of the FN. We report a case series demonstrating the potential of serial ENoG to guide FN management more than 2 weeks following injury. PATIENTS: Adults with traumatic temporal bone fractures and resultant ipsilateral FN paresis. INTERVENTION: Serial ENoG followed by observation or decompression of the FN...
April 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28099983/-the-relevance-of-abducent-nerve-palsy-in-ent
#9
Veit Maria Hofmann, Stephan M Niehues, Annett Pudszuhn
Patients suffering from abducent nerve palsy are usually primary seen by a conservative medical Specialist. In most cases the ENT specialist is secondary involved for treatment. In the majority of cases abducent nerve palsy is a temporary symptom associated with neurologic or vascular diseases. Rarely inflammation, neoplasm or fracture of the skull base cause this symptom and lead to an intervention done by the ENT surgeon. This case series describes retrospectively the abducent palsy seen through the eyes of an ENT surgeon...
January 18, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28067182/successful-conservative-treatment-of-an-intracranial-pneumatocele-with-post-traumatic-hypoglossal-nerve-palsy-secondary-to-diffuse-temporal-bone-pneumocele-case-report-and-review-of-the-literature
#10
REVIEW
M A Taube, G M Potter, S K Lloyd, S R Freeman
BACKGROUND: A pneumocele occurs when an aerated cranial cavity pathologically expands; a pneumatocele occurs when air extends from an aerated cavity into adjacent soft tissues forming a secondary cavity. Both pathologies are extremely rare with relation to the mastoid. This paper describes a case of a mastoid pneumocele that caused hypoglossal nerve palsy and an intracranial pneumatocele. CASE REPORT: A 46-year-old man presented, following minor head trauma, with hypoglossal nerve palsy secondary to a fracture through the hypoglossal canal...
February 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28042220/internal-carotid-artery-fibromuscular-dysplasia-in-a-child-incidental-postmortem-finding-after-head-injury
#11
Arulselvi Subramanian, Garima Aggarwal, Deepak Agarwal, Sanjeev Lalwani
Fibromuscular dysplasia (FMD) is a rare, segmental, nonatheromatous, and noninflammatory arterial disease of unknown etiology. It predominantly involves renal artery (60-75%) followed by extracranial part of the internal carotid artery and vertebral arteries (25-30%). The disease typically affects middle-aged women and involves intermediate-sized arteries throughout the body. There are rare case reports of extracranial FMD compounding a trauma case. A patient was brought to trauma center emergency with a history of fall from height...
January 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28040087/femoral-non-union-with-malalignment-reconstruction-and-biological-stimulation-with-the-chipping-technique
#12
Yoshinobu Watanabe, Takashi Matsushita
INTRODUCTION: The purpose of this study was to investigate the effectiveness of the chipping technique for the treatment of femoral non-unions associated with malalignment. PATIENTS AND METHODS: A total of 21 femoral non-unions were managed with the chipping procedure and re-fixation. 15 of them had malalignment (angular or rotational deformity or limb length discrepancy). The deformities were simultaneously corrected by a combination of chipping and temporal external fixator...
December 2016: Injury
https://www.readbyqxmd.com/read/28034444/improvement-in-imaging-common-temporal-bone-pathologies-at-3-t-mri-small-structures-benefit-from-a-small-field-of-view
#13
M Schulze, K Reimann, A Seeger, U Klose, U Ernemann, T K Hauser
AIM: To compare image quality and evaluate its clinical importance in common temporal bone pathologies of a pTX-SPACE (parallel transmit [pTX] three-dimensional turbo spin-echo with variable flip angle [SPACE]) magnetic resonance imaging (MRI) sequence improved for spatial resolution to a standard-SPACE sequence exhibiting the same scan time at 3 T. MATERIALS AND METHODS: Thirty-four patients were examined using a standard-SPACE and resolution improved pTX-SPACE sequence at 3 T MRI...
March 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28005808/spontaneous-epidural-pneumocephalus
#14
Serap Yucel, Hediye Pinar Gunbey, Gökhan Kutlar, Mustafa Ozdemir, Kerim Aslan, Lutfi Incesu
Spontaneous epidural pneumocephalus is a rare condition. The authors reported a 35-year-old male patient with tinnutus, dull headache, and swelling on his head. Patient had a history of head trauma and skull fracture from when he was 5 years old. Cranial computed tomography revealed increase in pneumatization of right mastoid air cells and large epidural air in temporoparietal region. Inner table of right temporal bone got thinner, causing communication of mastoid air cells with epidural space. Epidural air had septations and exerted mass effect on the right parietal lobe with minimal midline shift...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28003228/missing-the-point-self-inflicted-traumatic-brain-injury-in-psychosis
#15
Phelan E Maruca-Sullivan, Matthew N Goldenberg, David C Cone, Justine Ciarleglio
A 36-year-old man was brought to the emergency department by emergency medical services after being found acting unusually at a gas station with blood on his head and clothing. He presented acutely psychotic and reported that he had a pen in his head. Medical evaluation was notable for a superficial puncture wound to the right temple, and he was medically cleared for psychiatric evaluation. After he developed nausea and headache later that evening, the CT scan revealed a temporal bone fracture, pneumocephalus, intraparenchymal haemorrhage and the presence of a metal pen tip lodged in the brain parenchyma...
December 21, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27989412/a-retrospective-analysis-of-the-utility-of-head-computed-tomography-and-or-magnetic-resonance-imaging-in-the-management-of-benign-macrocrania
#16
M Edward Haws, Luke Linscott, Cameron Thomas, Emily Orscheln, Rupa Radhakrishnan, Beth Kline-Fath
OBJECTIVE: To assess whether computed tomography (CT), magnetic resonance imaging (MRI), and neurosurgical evaluations altered the diagnosis or management of children diagnosed with benign macrocrania of infancy by ultrasonography (US). STUDY DESIGN: We queried our radiology database to identify patients diagnosed with benign macrocrania of infancy by US between 2006 and 2013. Medical records of those with follow-up CT/MRI were reviewed to determine clinical/neurologic status and whether or not CT/MRI imaging resulted in diagnosis of communicating hydrocephalus or required neurosurgical intervention...
March 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/27923935/radiographic-mastoid-and-middle-ear-effusions-in-intensive-care-unit-subjects
#17
Phillip Huyett, Yael Raz, Barry E Hirsch, Andrew A McCall
BACKGROUND: This study was conducted to determine the incidence of and risk factors associated with the development of radiographic mastoid and middle ear effusions (ME/MEE) in ICU patients. METHODS: Head computed tomography or magnetic resonance images of 300 subjects admitted to the University of Pittsburgh Medical Center neurologic ICU from April 2013 through April 2014 were retrospectively reviewed. Images were reviewed for absent, partial, or complete opacification of the mastoid air cells and middle ear space...
December 6, 2016: Respiratory Care
https://www.readbyqxmd.com/read/27923230/skull-subsidence-due-to-periosteum-defect-following-craniotomy-in-a-child
#18
Hidetaka Arishima, Ayumi Akazawa, Ken-Ichiro Kikuta
We report a case of a 7-year-old child with a cranial deformity secondary to a craniotomy for an intracranial hematoma. He suffered from an acute epidural hematoma with a lineal fracture of the right temporal bone following a severe head injury. A large question mark-shaped skin flap with the periosteum and temporal muscle was created for a decompressive craniectomy; however, neither the acute epidural hematoma nor brain swelling was severe, and we performed a small craniotomy compared with the skin flap without a decompressive craniectomy...
2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27906849/carotid-artery-aneurysm-a-rare-cause-of-hemotympanum
#19
Selçuk Güneş, Zahide Mine Yazici, Hakan Selçuk, Baver Masallah Şimşek, Mustafa Çelik, Fatma Tülin Kayhan
Temporal bone fractures can occur as a result of various head trauma. The most common cause of the hemotympanum is traumatic temporal bone fracture. Facial paralysis and hearing loss can be seen associated with temporal bone fracture. The development of the internal carotid artery aneurysm after temporal bone fracture is extremely rare. In this article, the authors evaluated carotid artery aneurysm that developed after temporal fracture and aneurism compressed by coagulated blood mass which showed itself as a hemotympanum...
January 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27903839/the-effect-of-brain-tomography-findings-on-mortality-in-sniper-shot-head-injuries
#20
Çağdaş Can, M Bolatkale, A Sarıhan, Y Savran, A Ç Acara, M Bulut
OBJECTIVES: Penetrating gunshot head injuries have a poor prognosis and require prompt care. Brain CT is a routine component of the standard evaluation of head wounds and suspected brain injury. We aimed to investigate the effect of brain CT findings on mortality in gunshot head injury patients who were admitted to our emergency department (ED) from the Syrian Civil War. METHODS: The study group comprised patients who were admitted to the ED with gunshot brain injury...
November 30, 2016: Journal of the Royal Army Medical Corps
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