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Repeat head CT scan

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https://www.readbyqxmd.com/read/29313360/diagnostic-bone-imaging-in-patients-with-prostate-cancer-patient-experience-and-acceptance-of-naf-pet-ct-choline-pet-ct-whole-body-mri-and-bone-spect-ct
#1
Eva Dyrberg, Emil L Larsen, Helle W Hendel, Henrik S Thomsen
Background Patient acceptance is an important factor when implementing imaging methods in clinical practice in line with availability, diagnostic accuracy, and cost-effectiveness. Purpose To investigate patient experience and acceptance regarding18F-sodium fluoride (NaF) positron emission tomography/computed tomography (PET/CT), 11 C-choline-PET/CT, whole-body magnetic resonance imaging (WB-MRI), and 99mTc-hydroxymethane diphosphonate (HDP) single photon emission/computed tomography (SPECT/CT). Material and Methods One hundred and forty-nine patients with prostate cancer filled in a questionnaire regarding their experience of the imaging procedures they had been undergoing as part of a diagnostic accuracy study...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29250024/clinical-predictors-of-progressive-hemorrhagic-injury-in-children-with-mild-traumatic-brain-injury
#2
Guangfu Di, Hua Liu, Xiaochun Jiang, Yi Dai, Sansong Chen, Zhichun Wang, Hongyi Liu
Objective: Traumatic brain injury (TBI) occurs commonly in children. Repeat computed tomography (CT) follow up of TBI patients is often scheduled to identify progressive hemorrhagic injury (PHI). However, the utility of repeated CT scans, especially in children with mild TBI [Glasgow Coma Scale (GCS) scores of 13-15], has been debated. The purposes of the present study were to identify clinical predictors of PHI in children with mild TBI and to clarify relevant clinical factors via radiological examination...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29188151/arachnoid-cyst-and-psychosis
#3
Afaque H Khan, Syed E Ahmed
Few case reports discuss suspected psychiatric disturbances secondary to arachnoid cysts. To the best of our knowledge, psychosis from arachnoid cysts has not been reported in the recent literature. This case report discusses our experience with a 55-year-old male patient who manifested multiple psychotic episodes suspected in association with an arachnoid cyst. During the initial examinations, a computed tomography (CT) scan of his head revealed a relatively large left anterior superior arachnoid cyst with a mass effect on the frontal lobe...
September 21, 2017: Curēus
https://www.readbyqxmd.com/read/29159958/evaluation-of-a-low-risk-mild-traumatic-brain-injury-and-intracranial-hemorrhage-emergency-department-observation-protocol
#4
Brian J Yun, Pierre Borczuk, Lulu Wang, Stephen Dorner, Benjamin A White, Ali S Raja
OBJECTIVES: Among emergency physicians, there is wide variation in admitting practices for patients who suffered a mild traumatic brain injury (TBI) with an intracranial hemorrhage (ICH). The purpose of this study was to evaluate the effects of implementing a protocol in the emergency department (ED) observation unit for patients with mild TBI and ICH. METHODS: This retrospective cohort study was approved by the Institutional Review Board. Study subjects were patients ≥18 years of age with an International Classification of Diseases (ICD) code corresponding to a traumatic IC, and admitted to an ED observation unit (EDOU) of an urban, academic level 1 trauma center between February 1, 2015 and January 31, 2017...
November 20, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29122307/role-of-serial-ultrasonic-optic-nerve-sheath-diameter-monitoring-in-head-injury
#5
A K Thotakura, N R Marabathina, A R Danaboyina, R R Mareddy
OBJECTIVES: To compare optic nerve sheath diameter (ONSD) measurements in head injury patients with a group of normal subjects and investigate the significance of serial ONSD monitoring in head injury patients. METHODS: All patients with a head injury admitted to our hospital with a program of conservative management at the time of admission were included in this prospective study. On admission, the patient was assessed using the Glasgow Coma Scale (GCS), orbital ultrasound for optic nerve sheath diameter (ONSD), and CT brain scan...
December 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29105542/cervical-necrotizing-fasciitis-an-overlooked-diagnosis-of-a-fatal-disease
#6
Mohamed A Al-Ali, Ashraf F Hefny, Kamal M Idris, Fikri M Abu-Zidan
BACKGROUND: Necrotizing fasciitis of the neck is a rare potentially lethal condition if not early diagnosed and managed. We aimed to study the clinical presentation, radiological and microbiological diagnosis, management, and surgical outcome of patients having cervical necrotizing fasciitis (CNF). MATERIALS AND METHODS: We retrospectively studied patients having a final diagnosis of CNF who were treated at Al Ain Hospital during the period of January 2000 to December 2016...
November 6, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29104682/the-necessity-of-follow-up-brain-computed-tomography-scans-is-it-the-pathology-itself-or-our-fear-that-we-should-overcome
#7
Ahmet Öğrenci, Orkun Koban, Murat Ekşi, Onur Yaman, Sedat Dalbayrak
AIM: This study aimed to make a retrospective analysis of pediatric patients with head traumas that were admitted to one hospital setting and to make an analysis of the patients for whom follow-up CT scans were obtained. METHODS: Pediatric head trauma cases were retrospectively retrieved from the hospital's electronic database. Patients' charts, CT scans and surgical notes were evaluated by one of the authors. Repeat CT scans for operated patients were excluded from the total number of repeat CT scans...
October 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29100783/factors-associated-with-imaging-overuse-in-the-emergency-department-a-systematic-review
#8
REVIEW
Monica Tung, Ritu Sharma, Jeremiah S Hinson, Stephanie Nothelle, Jean Pannikottu, Jodi B Segal
BACKGROUND: Emergency departments (ED) are sites of prevalent imaging overuse; however, determinants that drive imaging in this setting are not well-characterized. We systematically reviewed the literature to summarize the determinants of imaging overuse in the ED. METHODS: We searched MEDLINE® and Embase® from January 1998 to March 2017. Studies were included if they were written in English, contained original data, pertained to a U.S. population, and identified a determinant associated with overuse of imaging in the ED...
October 25, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29075831/repeatability-of-tumour-hypoxia-imaging-using-18-f-ef5-pet-ct-in-head-and-neck-cancer
#9
Antti Silvoniemi, Sami Suilamo, Timo Laitinen, Sarita Forsback, Eliisa Löyttyniemi, Samuli Vaittinen, Virva Saunavaara, Olof Solin, Tove J Grönroos, Heikki Minn
PURPOSE: Hypoxia contributes to radiotherapy resistance and more aggressive behaviour of several types of cancer. This study was designed to evaluate the repeatability of intratumour uptake of the hypoxia tracer [(18)F]EF5 in paired PET/CT scans. METHODS: Ten patients with newly diagnosed head and neck cancer (HNC) received three static PET/CT scans before chemoradiotherapy: two with [(18)F]EF5 a median of 7 days apart and one with [(18)F]FDG. Metabolically active primary tumour volumes were defined in [(18)F]FDG images and transferred to co-registered [(18)F]EF5 images for repeatability analysis...
October 26, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28991942/confusion-recurs-2-weeks-after-fall
#10
Nick Koneri, Andrew Muck, Bruce D Adams
A 77-year-old woman presented to the emergency department complaining of a headache following a syncopal episode (while standing) earlier that day. She said that she'd lost consciousness for several minutes, and then experienced several minutes of mild confusion that resolved spontaneously. On physical exam, she was oriented to person and place, but not time. She had a contusion in her left occipitoparietal region without extensive bruising or deformity. The patient had normal cardiopulmonary, abdominal, and neurologic exams...
October 2017: Journal of Family Practice
https://www.readbyqxmd.com/read/28988732/rupture-of-an-occult-intracranial-mycotic-aneurysm-after-intravenous-thrombolysis-with-recombinant-tissue-plasminogen-activator-for-acute-ischemic-stroke
#11
Jared Glenn, Margaret Strecker-McGraw, Ian McGraw, Karim Jabbar, Nathan A James, C Keith Stone
BACKGROUND: The treatment of acute ischemic stroke with recombinant tissue plasminogen activator (rtPA) has become the mainstay of treatment, but its use carries a risk of subsequent intracranial hemorrhage (ICH). Guidelines have been developed to aid in the selection of the appropriate candidates to treat with rtPA to reduce this risk. We present a case of a stroke patient who was an appropriate candidate and was treated with rtPA who experienced a fatal subarachnoid hemorrhage due to a ruptured mycotic aneurysm (MA)...
November 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28927353/recurrent-metastatic-medullary-thyroid-carcinoma-a-case-of-sustained-response-to-prolonged-treatment-with-somatostatin-analogues
#12
Juana Maria Cano, Rocío Galán, Rafael López
BACKGROUND: Medullary thyroid carcinoma (MTC) is a rare disease. Treatment options for recurrent disease are limited. Although somatostatin analogues might have a role as anticancer agents in MTC, the evidence is inconclusive. PATIENT FINDINGS: A 64-year-old male was diagnosed with MTC in January 2010. Total thyroidectomy with neck dissection (stage IVA, pT2pN1bM0, R1) was performed, followed by adjuvant locoregional radiotherapy. Two years later, in January 2012, the patient developed recurrent metastatic disease, evidenced by elevated carcinoembryonic antigen (CEA) and calcitonin levels, and a positive uptake (Octreoscan(®)) in the right adrenal gland and pancreatic head...
November 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28902876/postoperative-lead-migration-in-deep-brain-stimulation-surgery-incidence-risk-factors-and-clinical-impact
#13
Takashi Morishita, Justin D Hilliard, Michael S Okun, Dan Neal, Kelsey A Nestor, David Peace, Alden A Hozouri, Mark R Davidson, Francis J Bova, Justin M Sporrer, Genko Oyama, Kelly D Foote
INTRODUCTION: Deep brain stimulation (DBS) is an effective treatment for multiple movement disorders and shows substantial promise for the treatment of some neuropsychiatric and other disorders of brain neurocircuitry. Optimal neuroanatomical lead position is a critical determinant of clinical outcomes in DBS surgery. Lead migration, defined as an unintended post-operative displacement of the DBS lead, has been previously reported. Despite several reports, however, there have been no systematic investigations of this issue...
2017: PloS One
https://www.readbyqxmd.com/read/28852638/repetition-of-examination-due-to-motion-artifacts-in-horizontal-cone-beam-ct-comparison-among-three-different-kinds-of-head-support
#14
Cosimo Nardi, Gian Giacomo Taliani, Alessandro Castellani, Luisa De Falco, Valeria Selvi, Linda Calistri
AIMS AND OBJECTIVES: The aim of this study was to evaluate the repetition rate of examination due to motion artifacts in horizontal cone beam computed tomography, using three different kinds of head support, with reference to the patient's age. Further purpose was to evaluate how comfortable head supports were. MATERIALS AND METHODS: Seven hundred and fifty patients underwent a maxillofacial/dental arches volumetric imaging scan. They were divided into three groups depending on the head support used: foam headrest, foam headrest with head strap, and head restraint helmet...
July 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28741720/alteplase-for-acute-ischemic-stroke-after-heparin-reversal-with-protamine-a-case-report-and-review
#15
Gabriel V Fontaine, Shawn M Smith
Few patients presenting with acute ischemic stroke (AIS) are eligible for alteplase, especially those receiving ongoing anticoagulation. We describe the first reported case of a patient receiving full-dose intravenous (IV) alteplase for AIS after heparin reversal with protamine. A 73-year-old man presented with AIS. He was treated with IV heparin, tirofiban, loading-dose prasugrel, and aspirin before percutaneous coronary intervention (PCI) for placement of a right coronary artery stent. One hour following PCI, he abruptly developed left hemiparesis and dysphagia...
July 25, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28649478/cerebral-air-embolism-as-possible-cause-of-stroke-during-therapeutic-endobronchial-application-of-argon-plasma-coagulation
#16
Venkatkiran Kanchustambham, Manasa Reddy, Swetha Saladi, Setu Patolia
A 68-year-old male was admitted for evaluation of an endobronchial mass obstructing the right middle lobe (RML) and right lower lobe (RLL) of the lung. Flexible bronchoscopy revealed a notable endobronchial lesion in the bronchus intermedius that completely obstructed the RML and the RLL. Argon plasma coagulation (APC) at 30 watts and gas flow at 0.8 liters/minute to 1 liter/minute were applied to the tumor. In the recovery room, the patient was discovered to have a left-sided facial droop and left-sided weakness...
May 17, 2017: Curēus
https://www.readbyqxmd.com/read/28624870/translatory-hip-kinematics-measured-with-optoelectronic-surgical-navigation
#17
Sima Zakani, John F Rudan, Randy E Ellis
PURPOSE: An optoelectronic surgical navigation system was used to detect small but measurable translational motion of human hip cadavers in high-range passive motions. Kinematic data were also examined to demonstrate the role of soft tissues in constraining hip translation. METHODS: Twelve cadaver hips were scanned using CT, instrumented for navigation, and passively taken through motion assessment. Center of the femoral head was tracked in the acetabular coordinates...
August 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28590940/simdosect-dose-reporting-software-based-on-monte-carlo-simulation-for-a-320-detector-row-cone-beam-ct-scanner-and-icrp-computational-adult-phantoms
#18
Maria Cros, Raoul Joemai, Jacob Koos Geleijns, Diego Molina, Marçal Salvadó
This study aims to develop and test software for assessing and reporting doses for standard patients undergoing computed tomography (CT) examinations in a 320 detector-row cone-beam scanner. The software, called SimDoseCT, is based on Monte Carlo (MC) simulation code, which was developed to calculate organ- and effective doses in ICRP anthropomorphic adult reference computational phantoms for acquisitions with the Aquilion ONE CT scanner (Toshiba). MC simulation was validated by comparing CTDI measurements within standard CT dose phantoms with results from simulation under the same conditions...
June 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28541855/rate-and-reasons-for-repeat-ct-scanning-in-transferred-trauma-patients
#19
James F Holmes, Blake G Siglock, Michael T Corwin, Michael A Johnson, Edgardo S Salcedo, Gabriel S Espinoza, Ramit Lamba
To describe the reasons and additional radiation for CT scans repeated after transfer to a trauma center. Retrospective study of patients transferred to a trauma center. Patients had repeat CT if a CT of the same region was repeated at the trauma center's emergency department. Indications for repeat CT scanning were abstracted. Radiation dosage was calculated in millisieverts. A total of 370 had CT scans and were transferred. Mean age was 39.1 ± 28.0 years. Seventy-four [20.0%, 95% confidence interval (CI) 16...
May 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28502689/complicated-mild-traumatic-brain-injury-and-the-need-for-imaging-surveillance
#20
Martina Stippler, Jingyi Liu, Rouzbeh Motiei-Langroudi, Zoya Voronovich, Howard Yonas, Roger B Davis
OBJECTIVE: To evaluate the need for repeat head computed tomography (CT) in patients with complicated mild traumatic brain injury (TBI) determined nonoperative after the first head CT. METHODS: A total of 380 patients with mild TBI and a positive head CT not needing surgery were included. Changes between first and second head CT were categorized as decreased, increased, or stable. RESULTS: Three patients required neurosurgical intervention (0...
September 2017: World Neurosurgery
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