Results 1 to 10 of about 146,239 (291)

Clinical study of computerized tomography angiography and computerized tomography perfusion in severe traumatic brain injury by a multicenter retrospective study [PDF]

open access: yesScientific Reports
Severe traumatic brain injury (sTBI) is a significant public health concern with high disability and mortality rates. No reliable diagnostic tools exist to determine surgical indications or predict prognosis.
Tiantian Liu   +4 more
doaj   +2 more sources

Positive predictive value of computerized tomography coronary angiography versus computerized tomography fractional flow reserve in a real-world population

open access: yesHeart Views
Background: Computed Tomography coronary angiography and fractional flow reserve (CTCA and CT-FFR) are noninvasive diagnostic tools for the detection of flow-limiting coronary artery stenoses.
Hannah Sinclair   +5 more
doaj   +2 more sources

AFEX-Net: Adaptive feature extraction convolutional neural network for classifying computerized tomography images [PDF]

open access: yesDigital Health
Purpose Deep convolutional neural networks are favored methods that are widely used in medical image processing due to their demonstrated performance in this area.
Roxana Zahedi Nasab   +4 more
doaj   +2 more sources

Radiation exposure during computerized tomography-based neuroimaging for acute ischemic stroke: a case-control study [PDF]

open access: yesJournal of Integrative Neuroscience, 2021
Patients and clinicians often raise concerns about radiation exposure to various organs during computerized tomography-based imaging. We evaluated radiation exposure during standard and low-dose imaging protocols for non-contrast computerized ...
Subhash C Kapur   +2 more
doaj   +1 more source

A CASE STUDY OF COPPER-ARSENIC EWER FROM THE EGYPTIAN MUSEUM IN CAIRO, EGYPT [PDF]

open access: yesJournal of the General Union of Arab Archaeologists, 2018
(En) This paper presents an analytical study and treatment of an Arsenical Copper ewer from old kingdom stored in the Egyptian Museum in Cairo. Examination and analysis were carried out by using optical microscopy (OM), metallographic microscopy and ...
Abeer Ibrahim, Manal Maher
doaj   +1 more source

Compressive sampling–based ultrasonic computerized tomography technique for damage detection in concrete-filled steel tube in a bridge

open access: yesInternational Journal of Distributed Sensor Networks, 2021
Ultrasonic computerized tomography is a promising technique for damage detection by enabling ultrasonic waves via multiple measurement paths leading to accurate localization of structural damage. Unlike traditional ultrasonic computerized tomography that
Binbin Li   +5 more
doaj   +1 more source

Development of in vitro osteoporosis model in minipig proximal humerus and femur: validation in histological and biomechanical study

open access: yesJournal of Orthopaedic Surgery and Research, 2023
Background The minipig has been used for research in various fields of medicine, even in orthopedics. Though previous studies have already suggested other methods to create osteoporotic bone, those methods had some disadvantages for taking time and ...
Jeonghyeon Seo   +6 more
doaj   +1 more source

Inconsistent stimulation of plasma ACTH through corticotropin-releasing factor in a patient with central Cushing's disease due to pituitary adenoma [PDF]

open access: yes, 1985
Three uncommon findings were observed in a case of Cushing's disease due to macroadenoma: no suppression of plasma ACTH during an 8-mg dexamethasone test, a negative corticotropin-releasing factor test, and a normal X-ray of the sella turcica.
Lüdecke, D. K.   +2 more
core   +2 more sources

The Experience of a Protocol for the Management of Pediatric Minor Head Injury: A Three Years Longitudinal Study

open access: yesActa Médica Portuguesa, 2017
Introduction: Head injury is common in children, with mostly being minor and not resulting in intracranial injury. Computerized tomography head scan is the preferred exam, but implies exposure to radiation; the indications for computerized tomography ...
Joana Matias   +8 more
doaj   +1 more source

Rational use of CT-scanner Considering its Diagnostic Accuracy for the Management of Acute Abdomen: A single-Center Study

open access: yesAlbanian Journal of Trauma and Emergency Surgery, 2020
Aim: We aimed to put forward the efficacy of abdominal CT performed for patients diagnosed with acute abdomen and to share our clinical findings in that regard. Methods: 216 patients who had been hospitalized in General Surgery Department due to acute
Recep Erçin SÖNMEZ   +3 more
doaj   +1 more source

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